CeramicSpeed BB ALPHA Bottom Bracket - T47, 73mm, For 30mm Spindle, MTB, Black other-tool The training readiness feature tells

The training readiness feature tells you when you're primed for a productive session while multi-band GPS and full-color

Black anodized upper tubes for added durability

Fade-resistant performance even on longer descents

Item Specifications Color Black Weight 285 Pedal Spindle 9/16" Spindle Material Chromoly Steel Pedal Type Dual Sided Clipless Defined Color Black Pedal Body Material Steel Cleat Interface Crank Brothers Brass

All-steel construction

CeramicSpeed BB ALPHA Bottom Bracket - T47, 73mm, For 30mm Spindle, MTB, Black other-tool The training readiness feature tellsA 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 7075 aluminum cups ensure quick installation and a 10% weight reduction over previous generations. All