The SRAM DUB™ T47 Bottom Bracket is designed for seamless performance, offering a universal solution that connects your crankarms while ensuring smooth, long-lasting power transfer. The DUB™ spindle is engineered as a unifying component, delivering improved crankarm compatibility, enhanced durability, and better protection from the elements. Whether you’re riding road or gravel, this bottom bracket keeps things stronger, smoother, and simpler—so you can focus on the ride. Model ID: BB-DUB-T47-A1 Specifications: BB-Frame Interface: T47 (85.5mm – Road & Road Wide) Crank-BB Interface: DUB™ Bearing Type: Standard Spindle Diameter: DUB (29mm) Cup Material: Aluminum Specifications: Compatible with SRAM Road / Road Wide cranksets & Frames with 85.5mm T47 BB shells. (For "Road Wide" Crank use included spacers) . RISK-FREE PURCHASE - State Bicycle Co. offers FREE EXCHANGES* -If this item doesn't work out, we'll send you a return label and exchange for free!