CeramicSpeed BB ALPHA Bottom Bracket - English/BSA 73mm For 24mm/Shimano Spindle MTB BLK MFPN=TC2251B 5 Thread Length (mm) 13

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

2mm Bag of 10

6mm links 116 color silver/black package 25/count

ergonomic end-piece allows for comfortable pumping with pressure from the palm of your hand

and crafted to be as compact and lightweight as possible

CeramicSpeed BB ALPHA Bottom Bracket - English/BSA 73mm For 24mm/Shimano Spindle MTB BLK MFPN=TC2251B 5 Thread Length (mm) 13A 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