CeramicSpeed Bottom Bracket - ALPHA BSA MTB

CeramicSpeed Bottom Bracket - ALPHA BSA MTBA bottom bracket built to outlast your frame. BB ALPHA features hardened stainless steel races hand built with grade 3 Silicon Nitride ceramic balls, custom engineered seals and precision dust covers, delivering up to 500% better moisture protection, while still providing ultra low friction performance. The simplified spacer tube design and lighter cups ensure quick installation and a 10% weight reduction over previous generations. All CeramicSpeed BB

the AB09 is both stiff under load and comfortable

Teeth shape helps to guide the chain and reduce drivetrain noise at higher chain angles

and a Go-Pro style mount for mounting under a computer or to a compatible helmet mount

continuous shape for all day comfort that helps different hand positions along the curve

20% Simulated Incline

Tacky touch

The Integrated Aero Barstem achieves its speed in two ways: 1

enhancing visual clarity in diverse lighting conditions

Alloy body

Use on all bike surfaces

HR (high rebound) foam which absorbs 30% more vibration for added comfort

The tread consists of knobs with average height and spacing to guarantee excellent performance on a wide range of terrains