Probably off a cross bike doe.You sold me a 140mm rotor like 2 years ago!
I ordered them. I figured it out but I'm just saying why are the spec sheets such a pain to find?Too damn much math -n- science go'n on here. You've got a bike that's speck'd with 140 mm instead of the typical 160mm. Ok, buy the adapter one size larger than the rotor size you want to go to. For example, if you want a 160 mm, buy a 180mm adapter for the brand and mount type you have (post or IS). You're starting one size down from the norm so you need to go up two to get there. I had to do the same thing on the rear of my Beargrease.
I ordered them. I figured it out but I'm just saying why are the spec sheets such a pain to find?