SRAM GX Type 2 and 2.1 Rear Derailleur 10 Speed Pulley Kit fits X9 and X7 MFPN=21154 Compatible with hydration bladders up

Compatible with hydration bladders up to 3L

give you a slim

Not Included: Cable and Housing

5" ISO Width (mm) 55 ISO Width (mm) 56 ISO Width (mm) 57 ISO Width (mm) 58 ISO Width (mm) 59 ISO Width (mm) 60 ISO Width (mm) 61 ISO Width (mm) 62 ISO Width (mm) 63 ISO Width (mm) 64 ISO Width (mm) 65 ISO Width (mm) 66 Labeled Size 27

The MegaTooth design allows you to put all of your power through without worrying about dropping your chain

SRAM GX Type 2 and 2.1 Rear Derailleur 10 Speed Pulley Kit fits X9 and X7 MFPN=21154 Compatible with hydration bladders upSRAM GX Type 2 and 2. 1 Rear Derailleur 10 Speed Pulley Kit fits X9 and X7. Original equipment rear derailleur pulleys for SRAM rear derailleurs. TECH SPECS Fits Brand SRAM Drivetrain Speeds 10