SRAM 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 linkMust be used with SRAM Double Tap shifterExact Actuation Ratio delivers 3mm motion per shift across the entire cassetteWorks with standard or compact 10-speed road cranks