Size: 9/16"

27" tires (ISO 630) are not compatible with 650b/27

there's a new boss in town

Compatible with Torch Hub and Wheelsets

Shimano ULTEGRA CS-6700 10-Speed Cassette 11-28T can be discounted Size: 9/16"The Shimano 10 speed Ultegra cassette CS 6700 allows exact shifting, but without much effort. Shimano has even improved the accuracy of the gear selection by changing the sprocket design. Despite all its user friendliness, the CS 6700 cassette guarantees maximum precision during shifts. In combination with Hyperglide (HG) chains, HG sprockets ensure fast and responsive indexed shifting. HG sprockets have specially positioned shift ramps and tooth