SunRace M91 Rear Derailleur - 9-Speed Long Cage Black 177 central part of the tread

central part of the tread ensures the supple feel and low rolling resistance you have come to expect

Due to the shape of the brake pad installation tabs this model is not compatible with Centerlock or HSX rotors

Violet: +3C to -4C

or Xtreme-Pro

Built to improves glide and acceleration

SunRace M91 Rear Derailleur - 9-Speed Long Cage Black 177 central part of the treadSunRace M91 Rear Derailleur 9 Speed Long Cage Black. The SunRace M9 Rear Derailleuris designed for 9 speed MTB drivetrains. TECH SPECS Largest Cog 36 Color Black Rear Der Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type Shimano Rear Direct Mount Drivetrain Speeds 8 Drivetrain Speeds 9 Weight 342 Chain Wrap Capacity (teeth) 45 Cage Length Long