BOX One Prime 9 Derailleur(9spd), X-Wide Cage - Black Torque Tools available in 85mm or 108mm

available in 85mm or 108mm

128672-Q0-L

Hex keys: 2/2

Manufacturer Part Number: HUB493

Manufacturer Part Number: WPD-823 CRMO BLK

BOX One Prime 9 Derailleur(9spd), X-Wide Cage - Black Torque Tools available in 85mm or 108mmPrime 9 Technology for less derailleur travel and better chainline, less wear, and improved lifespan Box One features: Adjustable Tri Pack limited slip clutch, forged inner and outer cage, Pivot Tech cable stay, sealed bearing pulleys, and 3D forged linkages Box Two features: Tri Pack limited slip clutch, forged inner and outer cage, Pivot Tech cable stay, sealed bushing pulleys, and 3D forged inkages Box Three features: Limited Slip Clutch, stamped