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Not enough clearance at the drive side chainstay for the spider of the SRAM Omnium cranks to clear
That's quite common, the Omnomnoms combine a narrow (track) chainline with a fat spider. Some people dimple the stay, some switch to a more svelte crank.
gbj_tester-
SRAM you bastards. I've had the same cranks for probably 10 years and never had this problem before. Being 10 years old, they're battered and probably not worth a huge amount (and I quite like them) so would prefer not to sell and replace them. How likely am I to die in a fiery blaze of glory/hubris if I try and dimple the chainstays myself?
ltc
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?