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Not compatible with Shimano Tiagra 4700 road system Largest Cog 34 Color Black Rear Der/Shifter Compatibility Shimano Road Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 10 Weight 291 Chain Wrap Capacity (teeth) 39 Cage Length Medium Speeds 910 Speed
They are compatible only with Surly Big Easy Big Dummy and Big Fat Dummy
} Upgrade your existing Force E1 crank with a spindle based power meter Proven Quarq reliability and accuracy Long battery life to power a season of rides Waterproof (IPX7) waterproof to 1 meter for 30 minutes) Spindle-based unit measures left side power to calculate total watts SRAM Model ID: PM-FRC-ASSY-E1
Lyrik Select
Shimano XTR M9250 Di2 Wireless Upgrade Kit - Includes M9250-GS Rear Derailleur M9250-IR I-SPEC EV Shifter Battery Charger Quick Link MFPN=SOLO-COG-22T-1 Not compatible with Shimano TiagraRobust. Resilient. Ready for Anything The Shimano XTR Di2 12 Speed Upgrade Kit provides riders with the pinnacle of wireless MTB shifting technology. The kit features an all new XTR M9250 Di2 wireless rear derailleur that's optimized for impact survivability to make it the choice for both Shimano's top enduro athletes and weight conscious XC racers alike. With built in Automatic Impact Recovery an impact deflecting shape and simple covered pulley
