CeramicSpeed BB ALPHA Bottom Bracket - T47 73mm For 24mm/Shimano Spindle MTB BLK Lumens Front-350 Chainguard included Color Black Rings Model-Ambix Platform+Clipless Pedal

CeramicSpeed BB ALPHA Bottom Bracket T47 73mm For 24mm Shimano Spindle MTB BLK Lumens Front 350 Chainguard included Color Black Rings Model Ambix Platform+Clipless Pedal Chainguard included Color Black Rings 48 36 26 Number of Chainrings Triple Crank Length (mm) 175 Crank Intended Use Mountain Drivetrain Speeds 9 BB Included No Pedal Spindle 9 16" Spindle Interface Type Square Taper JIS Chainring BCD Riveted Chainline Hub Compatibility 135 142 MTB Hubs Defined Color Black Crank Length 175Mm }WTB Vulpine S Tire 700 x 40 TCS Tubeless Folding Black Light Fast Rolling Dual DNA SG Inside the BB ALPHA the bearings have been moved further out in the cup allowing the incredibly stiff POM plastic dust covers to now sit flush with the outer edge of the cup making it increasingly difficult for debris to penetrate the dust cover and contaminate the bearing Internal ball bearing race has been redesigned to provide additional support allowing the bearing to better handle pre load