Originally Posted by
nlerner
Looks like I have an 8-speed cassette on there so spacing must be 130mm. Not sure if you’d have to use spacers of some sort with a 120mm frame. Also, I never change gears as the trainer deals with changing resistance, so I could be running a single speed.
Super! Thanks! That answers lots of questions, the biggest being: cassette / FW? Doesn't matter! As long as chain fits the drive it can work!
I'm sure spacers would be involved for safety with a narrow OLD compared to what's more typical now with much wider sets of cogs in back.