CeramicSpeed BB ALPHA Bottom Bracket - English/BSA 73mm For SRAM DUB Spindle MTB BLK I9 Classic Road Disc we wouldn't necessarily call the

we wouldn't necessarily call the inserts lightweight

Color Black Flat Protection Sidewall TPI 60 Weight 792 Defined Color Black ISO Width (mm) 57 ISO Diameter 622 / Road / 29" Tire Intended Use Mountain Tire Diameter 29" Tire Bead Folding Labeled Size 29 x 2

& T30 torx in storage pouch Lifetime Warranty

Triple-strap anchor system

(mm) 36 Spring Weight 480

CeramicSpeed BB ALPHA Bottom Bracket - English/BSA 73mm For SRAM DUB Spindle MTB BLK I9 Classic Road Disc we wouldn't necessarily call theA 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