R-series rear derailleurs are designed to work with 7, 8 ,9, and 10-speed Shimano-compatible road shifters. These R8 rear derailleurs have composite and steel parts that weigh more but have the same durability and performance as R9 and R10.
Offer is not valid on sale items, Garmin, Arc'teryx, Kuat, Vortex, Peak Design, Totem, Wahoo, or Dometic items. Additional exclusions may apply.
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