CeramicSpeed BB ALPHA Bottom Bracket - English/BSA 73mm For 24mm/Shimano Spindle MTB BLK MFPN=TC2251B Threads into crank arm and

Threads into crank arm and rotates on smooth steel bearings

8mm Bend S-Bend Extension 362mm Material Aluminum Color Black Bend Type S-Bend

longer bearing life

5 Thread Length (mm) 13 Thread Pitch 12 x 1 Color Black Weight 64

CeramicSpeed BB ALPHA Bottom Bracket - English/BSA 73mm For 24mm/Shimano Spindle MTB BLK MFPN=TC2251B Threads into crank arm andA 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