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Rodolfo
New (to me) frame has thrown up this issue. Not enough clearance at the drive side chainstay for the spider of the SRAM Omnium cranks to clear. Any suggestions? I've tried a thin spacer between the BB cup and the BB shell but it's not quite enough. Any more spacers and the NDS crank arm won't be threaded on to the spindle properly.
Is the best bet to try and dimple the chain stay? Is a double dimple, one on the outside, one on the inside of a tube, a bad idea?