There were definitely 41T 144BCD rings. Canmy made them though they are a little rare. TA makes new (and quite nice) replacement rings for 144BCD, including 41T.
Regards,
Jerry Moos
Steve Freides wrote:
> Is or was there a 41-tooth ring made for 144bcd cranks? I recall this being
> discussed here recently but don't recall the answer. A quick check of
> Sheldon's site shows 42 as the smallest size.
>
> I've just been fortunate enough to secure a TA Tevano triple crankset in my
> favored arm length, but I'll be wanting to swap out the middle ring,
> currently setup for half-stepping, for something smaller. (Please don't
> tell me to leave it as half-stepping!)
>
> How long has the Tevano model been around, and does anyone know the inner
> bolt circle diameter?
>
> Many thanks in advance.
>
> -S-