Sram DUB bottom bracket
Sram have announced a major revision to their mountain bike bottom brackets, a change that's intended to increase its longevity, as well as simplify the lineup. Called DUB (Durable Unified Bottom bracket), the most significant update is the change to a 28.99 mm spindle. With DUB, they now offer four bottom brackets that will fit all of the existing frame standards.
Features
- Sram DUB™ is the single replacement for 30 mm and 24 mm BB spindles options.
- DUB™ bottom brackets fit all frame shell standards.
- DUB™ does not introduce any new frame shell standards.
English thread (BSA)
- BB shell size: 68/73 mm (BSA).
- Internal diameter: 34.8 mm.
- Spindle: DUB (28.9 mm).
- Improved tool engagement.
- Gutter Seal Technology.
- Sealed cartridge bearings.
- Seals included.
PressFit BB92 MTB
- Press Fit bottom bracket 89.5/92 mm without thread.
- Internal diameter: 41 mm.
- Spindle: DUB (28.9 mm).
- Gutter Seal Technology.
- Sealed cartridge bearings.
- Seals included.
BB30
- Press Fit bottom bracket 73 mm without thread.
- Internal diameter: 42 mm.
- Spindle: DUB (28.9 mm).
- Gutter Seal Technology.
- Sealed cartridge bearings.
- Seals included.
PressFit PF30
- Press Fit bottom bracket 73 mm without thread.
- Internal diameter: 46 mm.
- Spindle: DUB (28.9 mm).
- Gutter Seal Technology.
- Sealed cartridge bearings.
- Seals included.
PressFit BB86
- Press Fit bottom bracket 86.5 mm without thread.
- Internal diameter: 41 mm.
- Spindle: DUB (28.9 mm).
- Gutter Seal Technology.
- Sealed cartridge bearings.
- Seals included.
PressFit BB386
- Press Fit bottom bracket 86.5 mm without thread.
- Internal diameter: 46 mm.
- Spindle: DUB (28.9 mm).
- Gutter Seal Technology.
- Sealed cartridge bearings.
- Seals included.