SRAM DUB BB30a/BB30 73mm Bottom Bracket
The SRAM DUB BB30a/BB30 73mm Bottom Bracket is part of the integrated DUB system, optimising an oversized crank spindle diameter for better power transfer and improved durability. Compatible with the SRAM AXS crankset range, you can reap the benefits of this superb 12-speed system on your bike featuring a 73mm wide BB30/BB30a bottom bracket shell.
Please note: Compatible with 73mm wide BB30 MTB or BB30a bottom bracket shells. This bottom bracket has BB30a spacing and has a snap washer for a MTB crankset.
Read more about the SRAM AXS range of 12-speed components here.
- Greater bearing durability
- ISO 4210 compliant
- DUB (Durable, Unifying Bottom Bracket) system is one oversized spindle to work across every bottom bracket standard; where stiffness meets durability
- Compatible with BB30 MTB and BB30a bottom bracket shells
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