CeramicSpeed BB ALPHA Bottom Bracket - English/BSA 73mm For 24mm/Shimano Spindle MTB BLK Model=Afterburner Stem barrel material aluminum max psi LS comp and 3

CeramicSpeed BB ALPHA Bottom Bracket English BSA 73mm For 24mm Shimano Spindle MTB BLK Model=Afterburner Stem barrel material aluminum max psi LS comp and 3 barrel material aluminum max psi 90psi color black length 300mm weight 225g Bleeding Edge technology for easy and clean brake bleeds Hardened Stainless Steel races offer exceptional corrosion protection and provide an optimal surface for the hand built grade 3 Silicon Nitride ceramic balls 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