SunRace M900 Rear Derailleur - 9-Speed Medium Cage Black ModelNumber=25021 Safe on all parts and

Safe on all parts and surfaces including carbon fiber

disc specific aluminum clincher rim featuring a Tiebeam triple-cavity internal structure and Bead Socket Technology (BST)

}RockShox Fork Service Kit - 200 Hour/1 Year Reba A7 120mm (Standard)

} Airo Flex hip belt and Air Pad System for ideal carrying comfort Perfect pocket management—a place for everything Elastic Mesh pockets with velcro fastening in the back & on left hip Zippable pocket on right hip Loop for mini-pump or CO2 cartridge & inflator

DebonAir+ air spring balances butter-like small bump feel

SunRace M900 Rear Derailleur - 9-Speed Medium Cage Black ModelNumber=25021 Safe on all parts andSunRace M900 Rear Derailleur 9 Speed Medium Cage Black. The SunRace M9 Rear Derailleuris designed for 9 speed MTB drivetrains. TECH SPECS Largest Cog 51 Color Black Rear Der Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type Shimano Rear Direct Mount Drivetrain Speeds 8 Drivetrain Speeds 9 Weight 270 Cage Length Medium