CeramicSpeed BB ALPHA Bottom Bracket - T47 73mm For 24mm/Shimano Spindle MTB BLK Lumens Front-350 CPSC Safety Standard for Bicycle CheckoutSpec= TyreWiz

CeramicSpeed BB ALPHA Bottom Bracket T47 73mm For 24mm Shimano Spindle MTB BLK Lumens Front 350 CPSC Safety Standard for Bicycle CheckoutSpec= TyreWiz CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older Maximum Head Circumference 58 Gender Age Adult Minimum Head Circumference 56 Color Off White Matte Size Medium Visor Included Yes Multi Impact Yes Weight 390 Helmet Style Mountain Defined Color White 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 All CeramicSpeed BB ALPHA models are handbuilt in Denmark and backed by a lifetime warranty 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