CeramicSpeed BB ALPHA Bottom Bracket - English/BSA 73mm For SRAM DUB Spindle MTB BLK 147x36x85 4" x 1-3/8" Length 4

4" x 1-3/8" Length 4 Material Steel Axle Size 3/8" w/14mm Adapter Color Black Weight 17

Color Black Defined Color Black Flat Protection Tread ISO Diameter 622 / Road / 29" ISO Width (mm) 28 Labeled Size 700 x 28 Tire Bead Folding Tire Diameter 700c Tire Intended Use Road Tire Type Tubeless Ready Clincher

Fits all frames

And for unrivaled ease of customization Code Silver Stealth features Tool-free Reach and Contact Point Adjust

CeramicSpeed BB ALPHA Bottom Bracket - English/BSA 73mm For SRAM DUB Spindle MTB BLK 147x36x85 4" x 1-3/8" Length 4A 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