Re: Replacement for the FC-M570 Shimano Crank
> Sound like you could use a 68/113, as you're alreading
> using a short BB, but note that this will probably mean
> your granny ring fixing bolts run slightly inboard of the
> outer face of the BB shell. Not usually a problem with
> thin steel chainstays, but have a close look before
> comittting yourself. Just checked Shimano(Europe) website
> and they still list M570 cranks in 4 or 5 arm as current
> product, so it looks like you still have that choice.
> Kinky Cowboy*
Thanks Kinky Cowboy*!
I think that a 68x113 will work. I found the documentation
that came with my frame, a Santa Cruz Superlight and it
specified 68x113. I think that I'll be safe with an LX
FCM571 and an ES51 V2 Spline bottom bracket. It seems that
in computers and bicycles, stuff becomes obsolete in less
than 3 years. I may continue to swap out small and medium
chain rings until the crank croaks.
Sheldon Brown has a database that is also out of date