CeramicSpeed BB ALPHA Bottom Bracket - English/BSA 73mm For 24mm/Shimano Spindle MTB BLK MFPN=TC2251B Dual sided power measurement system

Dual sided power measurement system it’s accurate to +/-1

2mm Bag of 10

Threads into crank arm and rotates on smooth steel bearings

Drying Ideal drying time is at least 15 minutes

CeramicSpeed BB ALPHA Bottom Bracket - English/BSA 73mm For 24mm/Shimano Spindle MTB BLK MFPN=TC2251B Dual sided power measurement systemA bottom bracket built to outlast your frame BB ALPHA features hardened stainless steel races hand built with grade 3 Silicon Nitride ceramic balls custom engineered seals and precision dust covers delivering up to 500% better moisture protection while still providing ultra low friction performance. The simplified spacer tube design and lighter 7075 aluminum cups ensure quick installation and a 10% weight reduction over previous generations. All