Stricker CITY 7 Instructions Manual

Brand: Stricker

Model: CITY 7

Category: Motorcycles

Type: Instructions Manual

Stricker CITY 7 is a hand-bike designed to attach to a wheelchair, transforming it into a tricycle. It offers a range of features to enhance mobility and provide a comfortable and safe riding experience:

7-speed internal gear hub: Allows for easy gear shifting even while riding or standing.
Optional mountain drive gear reduction: Provides additional low gears for tackling steep inclines.
Drum brake and V-brake: Ensures reliable stopping power in all conditions.
Self-centering steering mechanism: Facilitates precise and effortless steering.
Adjustable hand-crank position: Allows for customization to suit different user preferences and body types.

7-speed internal gear hub: Allows for easy gear shifting even while riding or standing.
Optional mountain drive gear reduction: Provides additional low gears for tackling steep inclines.
Drum brake and V-brake: Ensures reliable stopping power in all conditions.
Self-centering steering mechanism: Facilitates precise and effortless steering.
Adjustable hand-crank position: Allows for customization to suit different user preferences and body types.

Manual English V16/04 page 1

Owners manual

strap

Eye bolt

Adapter for extension of wheelposition

Gripnut

Cranks with mountain drive

Grifpshift

Ergohandle

Steering tube

Slide tube with aloy angle

Straight tube

Steering rubbers

Automatic catch

Wheelchair clamp

Toothstrap or chain

Tooth disc or

‘chain wheel

Wheelchairl S1

with City 7

R & E Stricker

Reha-Entwicklungen GmbH

Klotzberg 64

D-77815 Bühl/Baden

Tel. 0049 7223/72510

Fax. 0049 7223/74947

www.stricker-handbikes.de

E-Mail:

info@stricker-handbikes.de

Find an installation Video at

www.stricker-handbikes.de

/installation

Manual English V16/04 page 2

Instructions

For Stricker Hand-Bikes

CITY 7, City Kid, Ultra-models

Version 16/04

The device complies with the current standards and directives of the EU. We certify this in

the EC declaration of conformity. If required we will be glad to send you the according

declaration of conformity.

Please read this manual and the safety instructions carefully before the first use!

1 SAFETY INSTRUCTIONS .......................................................................................... 3

2 OPERATING INSTRUCTIONS FOR OUR HAND-BIKE ........................................ 4

2.1 Handling of the Bike ...................................................................................................... 4

2.2 Tips for riding ................................................................................................................. 4

3 DESCRIPTION OF THE HAND-BIKE FOR WHEELCHAIRS .............................. 6

4 UNPACKING YOUR HAND-BIKE ............................................................................. 6

5 ATTACH YOUR HAND-BIKE TO THE WHEELCHAIR ......................................... 7

6 SEPARATE YOUR HAND-BIKE FROM THE WHEELCHAIR .............................. 9

7 ADJUST THE HAND-BIKE TO THE RIDER ......................................................... 10

7.1 Adjust the Hand-Bike to the width of the wheelchair .................................................. 10

7.2 First adaptation to the wheelchair ................................................................................ 11

7.3 Adjustment of the hand-crank position ........................................................................ 12

7.35 distances ....................................................................................................................... 13

7.4 Adjustment of the ground clearance (distance between the front wheels of the

wheelchair and the ground) .......................................................................................... 13

7.5 Straight tube City Kid .................................................................................................. 14

8 FUNCTION OF THE AUTOMATIC CLICK-IN ADJUSTER ................................ 16

9 FUNCTIONING OF THE STEERING ALIGNMENT ELASTOMER ................... 17

10 CITY 7 PLUS ADDITIONAL MOUNTAIN GEAR RATIO (MOUNTAIN DRIVE) 17

11 CITY 7 ADJUST THE TOOTH BELT ..................................................................... 18

12 ULTRA 21PLUS + DISCONNECTABLE BACKPEDAL BRAKE .......................... 18

13 WHEELCHAIR REQUIREMENTS .......................................................................... 19

14 SERVICING ................................................................................................................ 20

15 ADAPTER ................................................................................................................... 21

16 KICK STAND .............................................................................................................. 23

17 APPENDIX A WHEELCHAIR OVERVIEW ......................................................... 24

18 APPENDIX B TORQUE-LIST.................................................................................. 26

19 APPENDIX C……………………………………………………………………....27-36

Manual English V16/04 page 3

Please read this manual and the safety instructions carefully before the first use!

1. Safety Instructions

Important advice how to avoid accidents

These instructions are for your own safety!

Please read carefully before your first ride!

1. Your Hand-Bike is valid for a maximum speed of 25 km/h, please do not exceed this speed

in any circumstance.

2. If you ride your handbike on slops, it could be possibly that the front wheel will spin and

you will move back!

We recommend our extension for the wheelchair and on front a carrier or extra weight with

lead acid batteries additional to get more weight on front wheel.

Please do not mount backpacks or parts with weight on the rear of the wheelchair!

3. Please use your Hand-Bike downhill with a lower speed to enable safe braking.

4. If you use public transport (bus, train etc.), disconnect the handbike from your wheelchair

and place it in a safe position where it will not harm you or your fellow men in case of an

accident. If you leave the bike attached to your wheelchair, we will not assume liability.

5. The maximum load is 120 kg; please notice also the maximum load of your wheel chair

maximum load for City Kid is 60 kg.

6. Please always hold the handles with BOTH hands, while pedaling or braking, otherwise

serious accidents may occur.

7. Please always use the included lights for rides in the dark or twilight. Adjust the rear

flashing light to the backrest of your wheelchair. Check the batteries before every ride and

replace old ones in time.

8. Do not ride down curbs or steep steps - the Hand-Bike can tip over.

9. Please ride your Hand-Bike in ways suitable to your grade of disability. Drive carefully and

slowly, especially around corners. The Hand-Bike can tip over especially with narrow

wheelchairs and less camber of the wheels.

Please make the following safety checks before every ride:

1. Check the tyre pressure regularly: handbike tire: 58-72 psi, wheelchair tires 72 psi

2. Check the tension of the tooth belt (only model City 7): press both sides between the thumb

and forefinger – they should only drop 1-2cm, otherwise pull the belt up

(see chapter 11)

3. Check the belt also for damage or rips.

4. Check all parts, bolts and nuts. See if they are properly fixed – especially the four bolts of

the cross tube to avoid twisting of the tubes.

5. Check the steering tube for proper adjustment.

6. Check before every ride, if the drive wheel is centric to the wheelchair. If the difference is

more than 1 cm, the Hand-Bike needs adjustment. Use the middle of the footrests for a

visual check. For proper adjustment, use a stencil, as described in chapter 5.2.

An incorrectly adjusted front wheel can cause accidents.

Please note, that the safe use of the Hand-Bike needs training and experience. For beginners it

is necessary to ride slowly and carefully. Avoid steep hills and roads or ways in bad condition

until you get used to your Hand-Bike.

Advice for dealers:

Manual English V16/04 page 4

Please always hand this manual over with the delivery of the Hand-Bike and explain the

instructions above. Do not deliver a Hand-Bike WITHOUT manual!

2 Operating instructions for our Hand-Bike

2.1 Handling of the Bike

Steering:

The Hand-Bike is steered by turning the hand-cranks. The steering has a self-centering

mechanism for perfect function, which allows for a straight direction. However, please

avoid abrupt steering moves, especially at high speed.

Braking:

City 7 + City KID

These models have a drum brake, which also operated by turning the handles

reverse, which allows keeping the hands at the handles while braking. The

additional V- brake operated with a lever on the right side of the frame or a lever

at the ergo handle.

Ultra 21 + Ultra Sport

The models Ultra 21, Ultra Sport and ElectroDrive smart have a disc brake and a

V-Brake. The Ultra Sport model has a free wheel, which enables the rider to

pedal backwards anytime. The brakes operated with a brake lever at the ergo-

grip.

The V-brake can produce loud sounds while the first using.

After a certain time the sounds disappear by itself. Or you drive approx. 200

meters a steep mountain downwards with continuously braking.

Shifting:

City 7+ City KID

The City 7 model has a 7-speed internal gear hub. The control lever is mounted

between the hand-cranks. The gears can be changed any time, while riding or

standing. A mountain drive gear reduction is optionally available. Mountain

Drive offers seven reduced gears (see chapter 9).

As an option the shifting is at the ergo handle together with the brake lever.

City 8

The shifting is at the ergo handle together with the brake lever.

Ultra 21 + Ultra Sport

These models combine eight derailleur gears with three internal hub gears. The

derailleur gears can only be operated while pedaling; the internal gears can be

changed any time.

The gear controls are placed on the ergo handles.

2.2 Tips for riding

With the attachment of the Stricker Hand-Bike to your wheelchair you get a tricycle

with all advantages and inconvenient.

Manual English V16/04 page 5

A tricycle is not as stable as a wheelchair in curves.

Especially as a beginner, you have to be aware of this and get used to your hand bike

through careful riding.

This means: no abrupt steering moves

You can ride with higher speed but it is necessary to take time to get used to that higher

speed. Always control your speed with regard to the traffic situation.

Attention:

Always drive at a speed that enables you to brake in time in unpredictable situations.

Your hand-bike is not a racer.

Drive at a low speed, especially in curves and/or critical situations and bend your upper

body towards the curve direction (like a cyclist) to avoid tipping over.

Advice for users with children:

NEVER ride your hand-bike with a child on your knees. You are risking serious

injuries! The child can catch its fingers in the tooth belt or chain or can be hurt through

the turning hand-cranks.

Therefore, in the interest of your child: NEVER on the knees!

For your own safety, you should wear a cycling helmet.

The steering alignment elastomer keeps your front wheel straight and reduces the

steering movements.

The lateral stability is much higher, if you use a wheelchair with negative camber.

By shifting your body weight to the front, you avoid blocking of the front wheel

braking.

Reset of the wheelchair wheels avoids a slipping of the front drive wheel uphill.

The optimum is to use the Stricker wheelbase extension (optionally available with and

without suspension)

The following maneuvers are not allowed:

 Ride several steps or stairs (crash danger)

 Ride at an angle over a curb (crash danger)

 U-turns on steep streets (crash danger)

 Abrupt steering movements (crash danger)

 Abrupt braking in curves (crash danger)

Manual English V16/04 page 6

3 Description of the Hand-Bike for wheelchairs

The hand-bike is an additional equipment device, which can be attached to nearly every

modern wheelchair (except toilet seats, electric wheelchairs and similar vehicles).

It is recommended, to use wheelchairs with rigid frames but foldable wheelchairs are

also no problem with the hand bike it is possible to ride much longer distances with less

effort. The Hand-Bike can be attached without additional help in most cases. No parts

remain on the wheelchair after the Hand-Bike is removed. (except 2 small plastic

clamps if you like)

picture 1

4 Unpacking your Hand-Bike

For transport purposes, both handgrips are removed and the side tubes turned to the top.

After undoing the 2 bolts S1L and S1R (see picture 8) with the enclosed long Allen key,

both side tubes should be turned into their normal position (approx. 90 degrees in

relation to the steering tube) and be fixed. Screw both handgrips on the hand-cranks

with a 15mm spanner. (Attention! The left crank has a left-hand thread)

picture. 2

Steer tube

Side tube

Manual English V16/04 page 7

5 Attach your Hand-Bike to the wheelchair

(There is also an Video CD available vor adjusting the handbike)

After the Hand-Bike is adjusted to the rider and to the wheelchair (see chapter 7) it can be

attached to the wheelchair.

 Open the clamps wide enough to push them over the front frame tubes of the

wheelchair. Do not open too wide; otherwise, the bolts may come off.

 Loosen the spanner levers H2L and H2R (picture 6), to enable the spanner to move

in the slot hole. Turn the clamps in such a way, that the spanners are approximately

in the middle of the slot hole.

Picture 3 picture 3a

 Hold the Hand-Bike on the handle and attach it to the front of the wheelchair frame.

Then close the clamps (picture 6) on both sides.

CAUTION: Tighten the clamps with max. 6-8 Nm!

Hint1: To make the attachment even easier fix the handbrake on the front

wheel. This avoids uncontrolled movements of the Hand-Bike. By also

fixing the handbrakes on the wheelchair, you have both hands free to attach

the Hand-Bike.

Hint2: Attaching the Hand-Bike to the wheelchair is even easier with the

position-clamp (optional), which is attached to the wheelchair. Simply put

the Hand-Bike on top and fix the clamps.

 Push the handle forward to lift the front wheels of the wheelchair, and then fix the

levers H2L and H2R (picture 6).

Attention:

The handle needs to be pushed, until the levers are in the front end of the slot

hole (above the recess, picture 4). Keep pushing the handle with one hand,

while you fix the levers with the other hand.

handle

Manual English V16/04 page 8

Push the lever to

the front of the slot

hole

picture.4

Models with Automatic click-in adjuster

 The automatic click-in adjusters have to be unlocked, such that the slot holes are

visible. If this is not the case, unlock the automatic adjuster through opening the

flap and turning the clamps.

 Then close the flap; or else you may injure yourself while turning the clamp levers.

 Put the Hand-Bike on the handle on the front of the wheelchair and fix the clamps

on both sides carefully.

 Push the handles forwards, until the front wheels of the wheelchair lift and the

automatic adjuster snaps into place on both sides. The pin must be visible (see

picture 5).

The pin have to come out

on both sides!

picture 5

Attention!

During connecting the handbike to the wheelchair, make sure that the clamps are parallel to

the tubes of the wheelchair. Otherwise, the PCV-protection can be damaged.

Before you start riding, please make sure, that the PVC- protection on the clamps are

undamaged. PVC-protection parts are wear parts and taken out from warranty!

If there are damages on the wheelchair tube caused by damaged PVC-protection parts

(scratches) we are not liable.

Manual English V16/04 page 9

6 Separate your Hand-Bike from the wheelchair

 Loosen the two levers H2L and H2R (picture 6); the front wheels of the wheelchair

come back to ground.

 Then loosen the levers H1L and H1R and take the Hand-Bike off. Do not open the

levers too far.

Spanner

Jam nut

Slot hole

H2R(H2L)

H1R

(H1L)

clamp

Picture 6

Models with automatic click-in adjuster

 Open the flaps on both sides with pushing them backwards.

 Push the Hand-Bike with the handle forwards to release the automatic adjusters.

The bolts are pushed back automatically through the flaps and open (The flaps snap

to the outside).

 Take the handle back and let the front wheels of the wheelchair come down slowly.

Attention: Never try to push the bolts back with power, the

flaps can be bent! Then loosen the levers H1L and H1R and take

the Hand-Bike off. Do not open the levers too far.

Slot hole

flap

Adjuster nut

Jam nut

H1R

Abb.7

Manual English V16/04 page 10

7 Adjust the Hand-Bike to the rider

The Hand-Bike can be adjusted to most wheelchairs. The adjustment depends on the

user. The whole process of adjustment has to be done only once, after that you simply

clamp the Hand-Bike to your wheelchair. Additional adjustments are not necessary.

The position of S1

can be on top or in front

Abb.8

7.2 Adjust the Hand-Bike to the width of the wheelchair

For adjustment put the hand bike on the floor.

When you look at the Hand-Bike from the side, the two side tubes should have an

angle of approx. 90 degrees in relation to the steer tube. The angle has to be the same

on both sides. You can check this by aiming the backside tube over the front one.

Loosen bolts S1L and S1R for adjustment.

Now measure the width of the wheelchair at the front tubes of the frame. If the frame

tubes are not parallel, (V-form) the side tubes need to be turned. In order to do this

loosen the bolts S3L and S3R and adjust the side tubes to the angle of the wheelchair.

Make sure, that the side tubes are adjusted to the same length. Do not fix the bolts

completely at this stage.

Loosen the bolts S2L and S2R and bring the side tubes to the width of the wheelchair.

The side tubes should show approximately the same angle in relation to the steer tube.

Do not fix the bolts completely (see picture 9).

Manual English V16/04 page 11

Safety tip: The angle connectors must be pushed completely into the cross

tube. Do not pull them out to adjust the width!

Abb. 9

correct wrong

7.3 First adaptation to the wheelchair

Clamp the Hand-Bike on a flat surface with opened clamps on to the wheelchair. The

bolts S1L and S1R are only slightly fixed, so that the drive wheel can be moved into all

directions. Make sure the wheel is straight.

The drive wheel has to be exactly in the symmetry axis of the wheelchair. Deviations

of max. 1cm are acceptable. Use the centre of the footrests to check. Incorrect

adjustment of the wheel can lead to accidents through bad alignment and vibration.

Please check correct adjustment of the drive-wheel before every ride.

To make adjustments easier, you can make a stencil (as shown in picture 10) out of

cardboard. This insures that the drive wheel is exactly in the middle of the symmetry

axis.

Drive-wheel

of the Hand-

Bike

Symmetry

axis

Front wheels of

the wheelchair

Adjustment

stencil

picture10

Drive the wheelchair towards the stencil and make sure both front-wheels have the

same distance from the symmetry axis. Put the drive wheel of the Hand-Bike exactly

on the symmetry line. Make sure, that the Hand-Bike is standing upright and is not

leaning to one side.

Please take note then of the following adjustment instructions.

Manual English V16/04 page 12

7.4 Adjustment of the hand-crank position

picture.11

The Hand-Bike is clamped to the wheelchair; the front-wheels are not lifted yet

(picture 11). The handles should have a distance of 1-2 cm from the thighs when the cranks

are hanging down. If the distance is not correct, the Hand-Bike needs to be tended or lifted.

Therefore you have to loosen the bolts S1L and S1R. Please make sure the angle connectors

do not slide out of the cross tubes. In order to avoid tension on the frame also loosen the bolts

S3L and S3R on the side tubes (picture 8). If the handles are too far off or too close to the

upper body you can also change the length of the side tubes (bolts S3L and S3R have to be

loose). In that case, also loosen the bolts S1L and S1R to avoid tension. Tighten all bolts

properly before lifting the front wheels. Check again the adjustments after lifting the front

wheels and correct if necessary. If the distance between upper body and handles is too big or if

the handles are touching the knees, the crank unit can be pulled out one, six or eight cm. (tooth

belt model). Please contact your dealer.

Tip: Please always use the enclosed long Allen key to tighten the

bolts (6 mm).

This Allen key enables you to tighten the bolts correctly.

Please note the torque-list in the appendix.

Manual English V16/04 page 13

7.35 distances

Abb. 11a

Models: adjustable length standard:

with tothstrap from– to:

City 7 6 positions are possible:

82,3 cm (cog belt 2080)

86,3 cm (cog belt 2160)

90,3 cm (cog belt 2240)

92 cm (cog belt 2272) 92 cm

93,5 cm (cog belt 2304)

98,3 cm (new steering tube 2400 and cog belt 2400)

City 7 chain 83cm – 95cm 1,5cm steps 89cm

City Kid 75cm – 79cm 1,5cm steps 79cm

(66cm – 75cm by cutting resp.removing of

the special spanning tube)

Ultra 21 plus 83cm – 95cm stepless 89cm

Ultra Sport 75cm – 89cm stepless

Electro Drive Smart 83cm – 95cm stepless 89cm

7.4.1 Adjustment of the ground clearance (distance between the front wheels of the wheelchair

and the ground)

picture.11

2-3cm

distance

Manual English V16/04 page 14

The Hand-Bike is clamped to the wheelchair, the front-wheels are sitting on the floor.

Loosen the jam nuts of the spanner (Attention: left-hand and right-hand thread). The

length of the spanner can be changed by turning. As a guide value, the levers H2L and

H2R should be in the middle of the slot hole. The levers H2L and H2R must be in the

same position on both sides.

Spanner

Jam nut

Slot-hole

H2R(H2L)

H1R

(H1L)

)

clamp

picture12

Models with automatic click-in adjuster

Open the jam nut of the automatic adjuster. The flap is opened. The length of the

automatic adjuster can be changed by turning the adjuster nut.

Snap-in slot

flap

Adjuster nut

Jam nut

H1R

S4R(S4L)

picture13

The longer the visible part of the snap-in slot, the higher the front wheels are lifting. A

good starting point is 1cm visible length of the slot. The setting must be the same on

both automatic adjusters. When the front wheels are lifted, both automatic adjusters

must snap-in place at the same time.

This is necessary for perfect functioning.

7.5 Straight tube City Kid

For moving the telescopic tubes just unsrew the Stopmuttern (nuts).

Attention: Neither open the bolt M1 (arow) nor the bolts IS 1

and IS 2.

Manual English V16/04 page 15

Manual English V16/04 page 16

If the adjustment space is not sufficient, the attachment at the clamp can be changed to another

hole. Change the bolts S4L and S4R (see picture 13) to one of the 3 holes.

Please check the ground clearance through lifting the front wheels. The ground clearance

should be between 2-3 cm. If the distance is not correct, adjust the spanner or the automatic

adjuster as described above.

Check the hand-crank position again with lifted front-wheels and adjust, if necessary.

8 Function of the automatic click-in adjuster

The patented automatic adjusters allows for an ingeniously simple lifting of the front

wheels of the wheel chair and an automatic adjustment in driving position.

The click-off of the automatic adjuster is only works when the pin is relieved.

Therefore push forward the Hand-Bike on the handle.

Attention

Never try to push the bolts back with power, the flaps can be bent!

picture14

flap

Rastbolzen

Rastschlitz

Adjustment nut

Jam nut

Manual English V16/04 page 17

9 Functioning of the steering alignment elastomer

On the top end of the fork you will find a device to

dampen the steering movements.

Multiple elastomers always take the fork back to a

straight position.

picture.15

The lower tube which holts the Rubbers is designed for adjust the direction of the fork

by turning right and left.

10 City 7 Plus additional mountain gear ratio (Mountain Drive)

If your Hand-Bike has an additional mountain gear ratio, the 7 gears of the internal hub

gears can be changed through pushing the 2 buttons left and right on the crank.

Left button pushed in: --- > normal 1:1 gear ratio

Right button pushed in: --- > mountain gear ratio 2, 5:1

You can find additional information about Mountain Drive in the appendix.

Attention: If the mountain gear ratio is enabled, it takes a longer

way until the backpedal brake is working. Therefore change back to the 1:1

modus before going downhill.

If you have to brake with enabled mountain gear ratio, be aware, that you

have to move the cranks further, or use the additional handbrake.

Lenkungsdämpfer

Steering

alignment

elastomer

Manual English V16/04 page 18

11 City 7 Adjust the tooth belt

Model City 7 has a device on the steering tube to adjust the tension of the tooth belt. The belt

should always be under slight tension to avoid the belt springing over.

After loosen the clamp-nut turn the sleeve, until the tension is right. Tighten the clamp nut

again.

Press the belt between thumb and forefinger to control the belt tension. The belt should not

drop more then 1-2 cm, otherwise adjust the belt.

Safety tip: check the tension before every ride to avoid the belt springing over.

12 Ultra 21plus + disconnectable backpedal brake

The Ultra 21 Plus has 24 gears with 2 shift steps

By the internal gear hub (3 gears) and the rear derailleur system (8 gears)

the 24 gears are achieved.

By changing the chain to the big chain ring you

get another 24 gears with bigger ratio= 48 gears.

The small chain ring is used on hilly terrain, the

big one on flat terrain.

Safety tip: change the front chain rings only

at walking pace to avoid accidents.

Spanner sleeve

Clamp-bolt

Attention: Tighten the nut

with a torque of 30 Nm, if you

tighten it too much, there is a

risk of injury!

Manual English V16/04 page 19

Connecting and disconnecting the backpedal brake

In order to push the wheelchair backwards the backpedal

brake can be disconnected.

Pull the connector button down and turn it 90° to keep

the brake disconnected.

To connect the brake again, turn the button back into its

initial position.

picture.19

Safety advice Before every ride check, that the brake is connected and the button is

snapped in. Never ride with pulled out connector button and disconnected brake!

If you used the brake to hard it could be happen that the brake is blocked.

Especially in the fastest gears. The solution is press the mountaindrive button at the

Right side and brake again.

13 Wheelchair requirements

The Hand-Bike can be attached to different types of wheelchairs.

The wheelchair has to be in perfect condition though.

Please do not use faulty wheelchairs with broken or repaired frames.

We suggest the use of wheelchairs with rigid frames, which are more stable than

foldable models.

The brakes of the wheelchair have to be in perfect condition to give an additional

brake possibility.

For maximum braking efficiency we suggest the use of wheelchair wheels with drum

brakes. Those wheels are available for most wheelchairs.

The brake levers for drum brakes can be attached to the handles, so that both hands can

stay at the handles while braking.

Despite the attached Hand-Bike, the wheelchair can be moved forwards and backwards

by pushing the wheelchair wheels.

Connector button for

backpedal brake

Manual English V16/04 page 20

14 Servicing

The tyre pressure of the drive wheel I written on the wall of the tyre.

On loose ground and/or up hill driving it is suggested to reduce the pressure to 2 bar (30 PSI)

to increase traction.

Give your Hand-Bike a regular service check to make it really long lasting.

The model City 7 is equipped with a Sachs Super 7 or Shimano Nexus gear hub.

You will find a description of the hubs in the Appendix.

The power transmission is carried out by a tooth belt. Lubrication is not necessary.

The cable of the handbrake needs regular checks, adjusting and lubricating if necessary.

The model Ultra is equipped with a Sachs 3x8 gear system. The hub is also maintenance free.

Clean and lubricate the chain regularly.

Check the rear derailleur regularly and adjust if necessary, to enable a smooth gear change.

Your dealer or a Bike shop can do these checks for you, if you are not familiar with one of the

above described activities.

Descriptions of the different hubs can be found in the appendix.

Servicing of the U-frame

In principle all bolts of the non-moveable parts of the frame have to be tightened firmly (Allen

key 6mm)

The bolts S1L and S1R of the cross bar need to be tightened very firmly to avoid a slipping

movement of the cross tube.

If the Hand-Bike is often attached to different wheelchairs give a little bit of grease on the

thread of the bolts S1L, S1R and S3L, S3R.

If problems show up while using you Hand Bike or if you have further questions, please

contact your dealer or us.

Advice for the usage of the Handbike near the sea (salted air)

While using or storing the Handbike at the sea you have to pay attention on the salted air.

To avoid corrosion at the frame and at the components (motor, brakes, etc.) clean it with sweet

water from salt leftovers.

To this, clean the Handbike with a sponge and warm water to remove salt deposits.

We recommend the cleaning liquid from Sonax called ‘Sonax Fahrradreiniger’. After that

spray frame and screws with ‘Sonax Pflegeöl’.

Attention! Don’t spray the oil on the brake pads, the brake discs as well as on the rubber parts!

Pay attention while cleaning so that no water enters with pressure into the control and the

control element.

order number: 873027-0

873026-0

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Stricker CITY 7 Instructions Manual

Brand: Stricker

Model: CITY 7

Category: Motorcycles

Type: Instructions Manual

7-speed internal gear hub: Allows for easy gear shifting even while riding or standing.
Optional mountain drive gear reduction: Provides additional low gears for tackling steep inclines.
Drum brake and V-brake: Ensures reliable stopping power in all conditions.
Self-centering steering mechanism: Facilitates precise and effortless steering.
Adjustable hand-crank position: Allows for customization to suit different user preferences and body types.

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Stricker CITY 7 Instructions Manual

Stricker CITY 7 Instructions Manual

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