SRAM Red Rear Derailleur - 10 Speed Short Cage Black/Silver Width-3.5 Bolt Size M8 Frame Mount

Bolt Size M8 Frame Mount 25

SC - Single compound one compound throughout the tread optimized for longevity and performance

X-Sync alternating wide/narrow tooth profiling

Created specifically for female cyclists

SRAM Red Rear Derailleur - 10 Speed Short Cage Black/Silver Width-3.5 Bolt Size M8 Frame MountTop of the line rear derailleur with generous use of carbon fiber and titanium for maximum performance at minimal weight. Carbon fiber and aluminum construction Ceramic bearing pulleys Titanium hardware Compatible with other SRAM 10 speed drive train components Rear Derailleur Mount Type 10x1 Standard Rear Der Shifter Compatibility SRAM Exact Actuation Cage Length Short Drivetrain Speeds 10 Weight 145 Color Black Silver Chain Wrap Capacity (teeth) 33