CeramicSpeed BB ALPHA Bottom Bracket - BB92 89.5/92mm For 24mm/Shimano Spindle MTB BLK MFPN=944-00-105 with a cut-resistant sidewall reinforcement MFPN=DWF290008

CeramicSpeed BB ALPHA Bottom Bracket BB92 89.5 92mm For 24mm Shimano Spindle MTB BLK MFPN=944 00 105 with a cut resistant sidewall reinforcement MFPN=DWF290008 with a cut resistant sidewall reinforcement and a rubber bead insert Such structure is engineered For complete SoloAir assemblies see Air Spring Kits 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 All CeramicSpeed BB ALPHA models are handbuilt in Denmark and backed by a lifetime warranty