SunRace M903 Rear Derailleur - 9-Speed Short Cage Black ModelNumber=G0033 6 upper/lower upper stack 6mm

6 upper/lower upper stack 6mm color purple weight 32g

while 112 BCD inner rings are shared between the two groups

Length 135 Color Purple Flange No Lock On No Grip Shift Specific No Defined Color Purple Shape Round

Deep Peri-Canal - Continuous relief channel from tip to tail

} Front basket

SunRace M903 Rear Derailleur - 9-Speed Short Cage Black ModelNumber=G0033 6 upper/lower upper stack 6mmSunRace 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