Pressfit 30 68-92mm Bottom Bracket Size:One Size with the bottom colored for

with the bottom colored for a visual climbing target

so they won't feel weighed down

Its ultra-versatile

1 upper and lower mounting system

please see 10-Speed Hyperglide non-directional chains

Pressfit 30 68-92mm Bottom Bracket Size:One Size with the bottom colored forThe progressive minds at SRAM saw the opportunity to make a better press fit system by combing the best BB30 technology into one captivating package, so they did just that. Their Press Fit 30 features an integrated seal, pre assembled into the cups, to extend bearing life. The key difference with Press Fit 30 is how the bearings are fitted into the frame. Bearings are housed in nylon cups that you press into the frame's bottom bracket shell.