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

longer bearing life

while the alternating diagonal pattern of the grip keeps the rider’s hand in place with or without gloves in all conditions

Threads into crank arm and rotates on smooth steel bearings

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