CeramicSpeed BB ALPHA Bottom Bracket - T47 73mm For SRAM DUB Spindle MTB BLK MFPN=20377 The wax can be re-heated

The wax can be re-heated after cooling to room temperature (10 min) for better durability

Various options for connecting to fixed objects or linking multiple bicycles

The steel axle is light and durable

Link is the easy way to up your pedal performance to clipless

Enhanced ergonomics for improved power transfer Cleat Bolt Pattern 3-Bolt Closure Dial Shoe Size (EU) 42

CeramicSpeed BB ALPHA Bottom Bracket - T47 73mm For SRAM DUB Spindle MTB BLK MFPN=20377 The wax can be re-heatedA 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