CeramicSpeed BB ALPHA Bottom Bracket - PF30 73mm For 24mm/Shimano Spindle MTB BLK CheckoutTitle=Zipp Vuka Evo 110 Extensions - 22.2mm Use a stock 10mm chainring CheckoutSpec= TyreWiz

CeramicSpeed BB ALPHA Bottom Bracket PF30 73mm For 24mm Shimano Spindle MTB BLK CheckoutTitle=Zipp Vuka Evo 110 Extensions 22.2mm Use a stock 10mm chainring CheckoutSpec= TyreWiz Use a stock 10mm chainring bolt for the fifth Rings 46 33Number of Chainrings DoubleDrivetrain Speeds 12Chainring BCD Direct Mount SRAM 8 BoltChainline Hub Compatibility 135 142 Road Disc Hubs < 415 mm ChainstayChainline Hub Compatibility 135 142 Road Disc Hubs > 415 mm ChainstayColor BlackCrank Length (mm) 160Crank Intended Use RoadBB Included NoPedal Spindle 9 16"Spindle Interface Type SRAM DUBDefined Color Black 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