SRAM DUB English Bottom Bracket - English/BSA | 73mm | MTB SuperBoost + Security Soft rubber contact points protect

Soft rubber contact points protect frame finishes and components from scratches and pressure marks

The slim single-sided platform is optimized for riders who clip in and stay clipped for the full race or ride -- the direct cleat engagement delivers immediate power transfer and the Deore XT-grade bearings provide the smooth rotation and durability that sustained high-output racing demands

The asymmetric pulley design reduces chain noise -- an important detail for gravel riders who spend long hours on mixed surfaces where drivetrain buzz is amplified by rough terrain

and short high-intensity events

SRAM DUB English Bottom Bracket - English/BSA | 73mm | MTB SuperBoost + Security Soft rubber contact points protectWhat is the SRAM DUB English Bottom Bracket MTB SuperBoost+ for? The SRAM DUB English Bottom Bracket MTB SuperBoost+ is designed for mountain bike frames that use SuperBoost+ rear spacing (157mm) with an English BSA threaded shell (73mm). The DUB system's oversized spindle standard delivers excellent crankarm compatibility and durability, with the SuperBoost+ version positioning the chainring further outboard to match the wider 157mm SuperBoost+ rear