microSHIFT M26C Rear Derailleur – 7/8 Speed Long Cage for 13-34t Freewheel Black. For bikes that use a freewheel instead of a cassette the microSHIFT M26C is specifically designed to accommodate the 13t cog that is commonly found on the small end of a freewheels range. Shifting will be much improved with this model versus a conventional derailleur not designed for use with a freewheel.

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