Shimano SM-PD56 reflectors enhance the visibility of your bike, increasing your safety on the road. Designed specifically for use with PD-R535 pedals, these reflectors can be installed on either the left or right pedal. The simple installation process involves placing the spacer on the reflector, positioning it on the pedal, and securing it with the provided fixing bolts and plate. Remember to tighten the bolts to the specified torque of 2 Nm (17 in. lbs.) to ensure a secure fit.