SRAM Derailleur Pulleys for 2003-07 X0 short cage X9 and X7 Mount | Rotor Size-140 Post | 180 Rotor DUB technology features a better-engineered

DUB technology features a better-engineered bottom bracket and a new spindle design which together allows for a more uniform approach to bottom bracket fitment better sealing against contamination and forward and backward compatibility

1 Courier Crankset - 170mm Single Speed 48t 130 BCD GXP Spindle Interface Black

}Lizard Skins Charger Grips - Black Lock-On

TRP Disc Brake Adaptors

Works with standard or compact 11-speed road cranks

SRAM Derailleur Pulleys for 2003-07 X0 short cage X9 and X7 Mount | Rotor Size-140 Post | 180 Rotor DUB technology features a better-engineeredSRAM Derailleur Pulleys for 2003 07 X0 short cage X9 and X7. Original equipment rear derailleur pulleys for SRAM rear derailleurs. TECH SPECS Fits Brand SRAM Drivetrain Speeds 10