SunRace M903 Rear Derailleur - 9-Speed Short Cage Black Model=Rival Crankset E1 8” with Phat Bike Kit

8” with Phat Bike Kit (sold separately)

Shoe size: 36-39

Not compatible with tubeless tire bodies or thermoplastic polyurethane (TPU) inner tubes such as Tubolito or Schwalbe Aerothan

1 RC2 W/ButterCups Damping Adjustments External begin stroke rebound low speed compression high speed compression Primary Color Green e-Bike approved Yes Lower Tubes Material Magnesium

SunRace M903 Rear Derailleur - 9-Speed Short Cage Black Model=Rival Crankset E1 8” with Phat Bike KitSunRace M903 Rear Derailleur 9 Speed Short Cage Black. The SunRace M9 Rear Derailleuris designed for 9 speed MTB drivetrains. TECH SPECS Largest Cog 42 Color Black Rear Der Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type Shimano Rear Direct Mount Drivetrain Speeds 8 Drivetrain Speeds 9 Weight 240 Cage Length Short