SRAM DUB BB30 Bottom Bracket
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SRAM DUB BB30 Bottom Bracket
SRAM DUB BB30 Bottom Bracket Info
The SRAM DUB BB30 Bottom Bracket exists because a new spindle standard demands a matched bearing interface — and getting that interface right determines how smooth and long-lived your drivetrain actually feels. DUB (Durable Unified Bottom Bracket) centers on a 28.99mm spindle, a diameter that increases stiffness over slimmer designs and allows larger bearings that run with less resistance over time.
This version is built specifically for BB30 shell frames, with a spacer on the right side to ensure proper chainline alignment. Installation is straightforward, and the bearing preload is designed to stay consistent across varied conditions — which matters more than it sounds on longer rides where a loose or creaking bottom bracket becomes genuinely distracting.
SRAM DUB BB30 Bottom Bracket Specs at a Glance
- Bottom bracket standard: BB30
- Spindle diameter: 28.99mm (DUB)
- Weight: 82g
- Includes: Right-side spacer for chainline alignment
- Compatibility: SRAM DUB cranksets
SRAM DUB BB30 Bottom Bracket Video
