Shimano ST-M090, ST-M070, ST-M071, ST-M091 Service Instructions

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  • How do I shift from a large chainwheel to a smaller chainwheel?
    How do I shift from a small chainwheel to a larger chainwheel?
    How do I shift from a large sprocket to a smaller sprocket?
    How do I install the device?
    How do I connect the shifting cable?
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