No. A genuine 41 T Campy ring will work on any 144mm NR crankarm. The bottom of the teeth DOES cut into the bolt circle.
markp
> Michael:
> A while back you had a NR/SR crank for sale that had a
> 41t inner and a spider that was modified for
> additional chain clearance. My question for you and
> the rest of the CR listers, is this:
>
> Is the 41t ring only usable if you have the modified
> crankarm? Does it depend on the height of the chain's
> outer side plates?
>
> Tom Dalton
>
>
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