CS-R8101 Cassette 11-34 Ultegra 12-Speed downhill maintaining momentum in rough terrain

maintaining momentum in rough terrain

The SHIMANO FC-M315-2 mountain bike crank delivers precise and reliable shifting for 2x7 and 2x8-speed drivetrains

Tubeless-ready design for enhanced puncture protection and lower riding pressures

in all conditions

CS-R8101 Cassette 11-34 Ultegra 12-Speed downhill maintaining momentum in rough terrainSKU Description Refined 12 step gear combination provides peak efficiency and accelerating performance for every racing situation Faster, smoother shifts under maximum pedaling force Compatible with new 12 speed and road 11 speed FREEHUB body Product Description HYPERGLIDE+ cassettes revolutionized off road shifting with its seamless shifts both up and down the gear range. Now it's time for the technology to change road cycling. Even during maximal