SRAM DUB (28.99 mm) crank spindle (28.99 mm spindle)
What a SRAM DUB (28.99 mm) spindle measures and which shells host it.
Published dimensions
| Spindle diameter | 28.99 mm constant diameter |
|---|---|
| Designation | 28.99 mm spindle |
| Shells it fits | BSA / English threaded (drops in), T47 internal (T47-85.5 / T47-86 / T47-92) (drops in), PF30 press fit (needs a reducer), BB86 press fit (road) (drops in), Italian threaded (not a simple fit), Specialized OSBB (needs a reducer) |
SHELL BSA / English threaded (drops in), T47 internal (T47-85.5 / T47-86 / T47-92) (drops in), PF30 press fit (needs a reducer), BB86 press fit (road) (drops in), Italian threaded (not a simple fit), Specialized OSBB (needs a reducer)
SPINDLE see table
SPINDLE see table
Used on: current SRAM road, gravel and MTB cranksets.
SRAM's single 28.99 mm axle that replaced GXP and 30 mm SRAM cranks. It sits between 24 mm and 30 mm, so it needs a DUB-specific BB in every shell and is not interchangeable with a 24 mm Shimano BB.
Fit this crank to a shell
SRAM DUB (28.99 mm) in a BSA / English threaded shelldrops inSRAM DUB (28.99 mm) in a T47 internal (T47-85.5 / T47-86 / T47-92) shelldrops inSRAM DUB (28.99 mm) in a PF30 press fit shellneeds a reducerSRAM DUB (28.99 mm) in a BB86 press fit (road) shelldrops inSRAM DUB (28.99 mm) in a Italian threaded shellnot a simple fitSRAM DUB (28.99 mm) in a Specialized OSBB shellneeds a reducer
SOURCES: Pinkbike, SRAM's New DUB Cranks and Bottom Brackets · Wheels Manufacturing, Crankset Spindle Standards & BB Compatibility