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May 7, 2018, 3:28 p.m. -  Andrew Major

Apologies for the delayed response! e13 says there’s no performance advantage to either system. They switched to the T-25 pinch-bolt because “everyone has a T-25”.  Their tool is the same one used to install their BB and direct mount rings but for anyone with their cassette but not their cranks it means owning one less tool.

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