SRAM DUB PF121 Bottom Bracket Shimano (Canada) A slightly thicker tread improves

A slightly thicker tread improves the mileage of the tire

Bluesign® certified 10k/10k waterproof stretch fabric with Teflon Eco Elite finish

and colors

following the natural course of your body

SRAM DUB PF121 Bottom Bracket Shimano (Canada) A slightly thicker tread improvesTo allow that singular focus, we've engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket standard. For better crankarm compatibility. For better protection from the elements. For longer lasting performance. To be stronger, smoother, simpler. Now, back to the ride. FEATURES One oversized spindle to work across every bottom bracket standard. Significantly lighter than PFGXP system