🔄 SRAM DUB Bottom Bracket

SRAM's DUB (Durable Unified Bearing) standard uses a 28.99 mm spindle shared across all SRAM groupsets from Apex to XX1 Eagle AXS. Trek, Specialized, Scott, Yeti, Santa Cruz, and Orbea all build frames compatible with DUB, making it the most broadly compatible MTB drivetrain interface standard.

Drivetrain

技术规格

StandardDUB (Durable Unified Bearing)
Spindle Diameter28.99 mm
InterfacesBSA threaded / PF30 / BB86 PressFit / T47
Bearing Size30 × 17 × 7 mm (custom SRAM)
Weight65 g (threaded BSA)
ManufacturerSRAM LLC, Chicago, USA
Msrp$35–$95 (frame-standard dependent)

应用于以下车型