Martin Coopland wrote:
>A TA Criterium ring set up has a BCD of 152, six holes, for the inner ring. I
>think the minimum is a 46? The same bolt circle is used for the cyclo cross
>rings. TA also used to make a double adapter, a five arm spider which bolted to
>the 5 holes in the crank. I think this was a 144 BCD, but I would need to
> I think this would be the TA Randoneur adapter, which is 116mm pcd.