R-series rear derailleurs are designed to work with 7 8 9 and 10-speedShimano-compatible road shifters. These R10 aluminum rear derailleurs are lightweight precision CNC-machined robust and can get any bike back on the road.Features-Short cage for... more
R-series rear derailleurs are designed to work with 7 8 9 and 10-speedShimano-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. Features:... more
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