Ascent Revolution Bottom Brackets - BSA SW Only 2 faces any IS mount

2 faces any IS mount

Mounts and removes quickly with our innovative QuickClick® system

Compatible with 28mm tyres

and windy conditions

A huge tapered cut away window on top of the grip

Ascent Revolution Bottom Brackets - BSA SW Only 2 faces any IS mountETA:: 1 2 Weeks The Revolution BSA BB provides the ultimate in threaded bottom bracket performance. A precision machined custom two piece full Aluminum 6061 T6 shell fits snugly together while being threaded in, enforcing the alignment between the two halves for impeccable smoothness. We use top grade NTN 6805 LLB precision steel bearings for durability, reliability, and smoothness. Each bearing can be removed and replaced using standard bearing