Crank spindle SRAM DUB Road Press-Fit 86.5mm

The SRAM DUB bottom bracket system connects the crank arms and provides smooth, long-lasting power transfer to the drivetrain. At its core is the oversized DUB axle, designed to work with all bottom bracket standards. The system is designed to provide crank arm compatibility, protection from the elements and durability, as well as strength, smooth operation and ease of use.

Technical specifications

• Application: Road
• Type: PressFit BB86
• Shell diameter: 41 mm
• Shell width: 86.5 mm
• Axle diameter: 28.99 mm (DUB)
• Bottom bracket cup material: steel
• Easy to install
• Two fully sealed ball bearings
• Compliant with ISO 4210

DUB technology

DUB technology combines the crank spindle axle and bottom bracket, bringing together stiffness and durability. SRAM has simplified the system and improved its performance. Better drivetrain performance comes from the integrated system of chainring, crank, axle and bottom bracket.