SRAM Force WiFli Rear Derailleur - 10 Speed Medium Cage Black/Silver CheckoutSpec= 11.2018.060.004 Designed to be used as

Designed to be used as a hardening additive in conjunction with a hard paraffin (like Start Green)

A reflective stripe on the sidewall enhances visibility in lowlight situations to increase safety

between SRAM and Shimano cassettes are much different so optimal shifting cannot be achieved unless the design is optimized for each separately

allow to dry

SRAM Force WiFli Rear Derailleur - 10 Speed Medium Cage Black/Silver CheckoutSpec= 11.2018.060.004 Designed to be used asSRAM Force WiFli Rear Derailleur 10 Speed Medium Cage Black Silver. Competition grade rear derailleur with carbon and magnesium to keep weight low. Designed for easy to set up and adjustment. Carbon & aluminum pulley cage magnesium inner parallelogram link Must be used with SRAM Double Tap shifter Exact Actuation Ratio delivers 3mm motion per shift across the entire cassette Works with standard or compact 10 speed road cranks TECH SPECS Rear