Why no 172.5 MTB cranks?

[Gummee]

Originally Posted by skouri1

I have a few gens old XTR triple crankset on my mtb. Used to be on 175, much nicer when it matches your road crankset, in my opinion. worth the investment, and should last for many years. never will sell it. (unless i sell my bike and renounce mtb'ing all together)

My 952 cranks are 172.5s. Could try going that route.

IIRC XTR is the only Shimano crank that comes in the 'off sizes.'

M