Shimano Dura-Ace Cassette - 10 Speed | 11-21t Hydration Packs press-fit bearings

press-fit bearings

Whether you're outfitting a home shop or supplementing a growing tool collection

Its Super Sticky compound stays locked through rain

Installation is straightforward and bedding-in is minimal: mount them

and mountain bike handlebars without modification

Shimano Dura-Ace Cassette - 10 Speed | 11-21t Hydration Packs press-fit bearingsWhy Is the Shimano Dura Ace 10 Speed 11 21T Cassette Built for Racing? This Shimano Dura Ace 10 speed cassette in the classic 11 21T specification is the archetypal close ratio racing cassette, delivering tightly spaced gears for maximum cadence control on flat and rolling race courses. Built to Dura Ace standards with Shimano's HYPERGLIDE shifting technology, the 11 21T range is optimized for criterium racing, flat stage racing, and any situation