Ascent Revolution Bottom Brackets - BSA SW Only traction and reduced risk of

traction and reduced risk of pinch flats

2 faces any IS mount

The micro-sized pump and integrated CO2 inflator lets you choose between pumping

and windy conditions

and strong enough to conquer bike parks and DH tracks

Ascent Revolution Bottom Brackets - BSA SW Only traction and reduced risk ofETA:: 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