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With the Sram DUB ENGLISH/BSA 68mm Wide bottom bracket from SRAM, you will be able to add a wider crank to your Gravel frame with bolt-on mounting.
The spacers create space for the crankshaft thus widening the chainline. This moves the electronically controlled AXS front derailleur further outwards on 2x12-speed transmissions, which in turn allows wider tires to be used, for example for Gravel use.
The DUB offers you the perfect compromise between large bearings and axle stiffness.
CHARACTERISTICS
Box Type | BSA(English) |
Shaft Diameter | 68mm |