🔄 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
Технические характеристики
| Standard | DUB (Durable Unified Bearing) |
|---|---|
| Spindle Diameter | 28.99 mm |
| Interfaces | BSA threaded / PF30 / BB86 PressFit / T47 |
| Bearing Size | 30 × 17 × 7 mm (custom SRAM) |
| Weight | 65 g (threaded BSA) |
| Manufacturer | SRAM LLC, Chicago, USA |
| Msrp | $35–$95 (frame-standard dependent) |
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