Box components Box Three Prime 9 X-Wide 9 speed black rear derailleur MFPN=CZ0170101 Easy to install and fits

Easy to install and fits virtually any bicycle

The Cable Rub pieces fit nicely under cables and the Large and Small pieces are great for toptubes

Linear strand construction provides positive feedback at dropper remote

} Premium quality Cerbec USA Grade 3 ceramic (Silicon nitride: Si3N4) balls with Magnetite rustproof finish

Weight: 7kg (15

Box components Box Three Prime 9 X-Wide 9 speed black rear derailleur MFPN=CZ0170101 Easy to install and fitsPrime 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 linkages Box Three features: Limited Slip Clutch, stamped