1. No, 135mm and 130mm.dthomp325 said:Performance has Kysrium Elite 650cs on sale for pretty cheap. I am wondering if I can use them on my XC hardtail.
1. Are MTB and road hub spacing the same?
2. Will the narrow rims make my 2.1 IRC Serac XCs ride funky?
3. Will the braking surface be in the right spot?
4. How much abuse can they take?
2. 26" mtb tires will not fit on 650C rims. Different diameters. http://sheldonbrown.com/tire-sizing.html
3. No, see #2.
4. Moot point, see above.