CeramicSpeed BB ALPHA Bottom Bracket - English/BSA 68mm For SRAM DUB Spindle Gravel BLK CheckoutSpec= 90PSI 35 Tire Diameter Iso 20/406

35 Tire Diameter Iso 20/406

5" and 29” versions Flat Protection Tread and Sidewall Color Black/Brown Defined Color Brown ISO Width (mm) 48 ISO Diameter 584 / 650b / 27

The DHR II is is the gold standard for riders wanting maximum traction and cornering grip when trail conditions get loose and muddy

Independent shift and brake lever reach adjustment allows rider to customize their fit

Cassette spacers bottom bracket spacers and hardware for HollowtechII GXP BB30/PF30

CeramicSpeed BB ALPHA Bottom Bracket - English/BSA 68mm For SRAM DUB Spindle Gravel BLK CheckoutSpec= 90PSI 35 Tire Diameter Iso 20/406A 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