Mechanics and Fixing Any Questions Answered

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LukeG

I’m looking at Quarq DZero/SRAM Red BB30 power meter. My frame has a BSA 68mm bottom bracket. Are these compatible and what BB would I need?

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amac090 in reply to @LukeG

Just make sure the spindle length of the cranks is long enough. A "true" BB30 crank set has a shorter spindle as the bearings are pressed into the frame. Your BSA BB has outboard bearings so the spindle needs to be long enough to accommodate for this.

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LukeG in reply to @amac090

Thanks for the help @Pifko & @amac090

I’ve found the attached diagram that suggests the axle is 101.5 but including a spacer, the Wheels mfg BB suggests 104 as a minimum but from the inside of crank arm. Reckon that’s too short?

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