CeramicSpeed BB ALPHA Bottom Bracket - PF30 73mm For SRAM DUB Spindle MTB BLK CheckoutTitle=Wheels Manufacturing Thin Flange Bottom Bracket Socket - SRAM 2-Piece forged aluminum caliper with

2-Piece forged aluminum caliper with four phenolic composite pistons provide exceptional stopping power and advanced heat management

TPI 60 Color Black Defined Color Black ISO Width (mm) 71 ISO Diameter 507 / 24" BMX Tire Intended Use BMX Tire Diameter 24" Tire Bead Wire Labeled Size 24 x 2

An extremely low camber with a hard and stiff finish combined with short and smooth snow contact areas provide exceptional performance in wet

Both Rigorously tested to IPX7 Waterproofing standards

CeramicSpeed BB ALPHA Bottom Bracket - PF30 73mm For SRAM DUB Spindle MTB BLK CheckoutTitle=Wheels Manufacturing Thin Flange Bottom Bracket Socket - SRAM 2-Piece forged aluminum caliper withA 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