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Discussion Starter · #1 ·
some one who know the BBright?
I search the web,the answer is
BBright™ (bicyclestoparts)is the only Bottom Bracket standard that uses an oversize 30mm axle and allows for oversized frame tubes (up to 16% wider than standard bottom brackets).

It offers the optimal combination of stiffness and weight for the overall system (crankset and frame together).

But I still don't understand. BBright just wide than the BB30?
or is better than BB30?

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