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Bike component fitment: bottom bracket, headset, seatpost, axle

Crank DUB vs Crank GXP: specs compared

Updated 05 September 2026.

3
specs differ

Crank DUB and Crank GXP differ on 3 specs: spindle diameter, designation, shells it fits.

SpecCrank DUBCrank GXP
Spindle diameter28.99 mm constant diameter24 mm drive side tapering to 22 mm non-drive side
Designation28.99 mm spindle24/22 mm tapered spindle
Shells it fitsBSA / 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)BSA / English threaded (drops in)

Questions and answers

How do Crank DUB and Crank GXP compare?

Crank DUB and Crank GXP differ on 3 specs: spindle diameter, designation, shells it fits.

Compared here

SRAM DUB (28.99 mm) crank spindle (28.99 mm spindle)SRAM GXP (24/22 mm) crank spindle (24/22 mm tapered spindle)