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Our BSA Aluminum Ceramic Bottom Bracket was built to take a beating
that's quite a bit lighter than any pro crank on the market
AXLE MATERIAL: 17-4 Stainless Steel
and XD-15 ceramic-hybrid ABEC-5 bearings
BSA Aluminum Ceramic Bottom Bracket RGXC Our BSA Aluminum Ceramic BottomOur BSA Aluminum Ceramic Bottom Bracket was built to take a beating. It emerged from the Lifetime Unbound XL completely unscathed, in a race where just 59 of 237 starters reached the finish line during the harshest weather conditions in the event's history. That's 356 miles of constant rain, mud, and punishment. Why? Because we originally developed it for our Frameworks race team, where components are ridden hard, pressure washed constantly, and