CeramicSpeed BB ALPHA Bottom Bracket - English/BSA 73mm For 24mm/Shimano Spindle MTB BLK MFPN=TC2251B and crafted to be as

and crafted to be as compact and lightweight as possible

MRP seal kits for servicing Ribbon forks

Threads into crank arm and rotates on smooth steel bearings

Drying Ideal drying time is at least 15 minutes

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 and crafted to be asA 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