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I really don’t know what that even means, I’ve used 3 different bikes on this turbo, all with 140mm rotors on the rear, so it will definitely work with a 140mm rotor.
Edit 4 different bikes. And that’s both flat and post mount.
Surely if the axle spacing is 142mm and the wheel is 700c there really can’t be much difference in where a caliper sits?
Are we talking caliper or rotor?
Dick-
Hmm that link above suggests compatibility issues with rotors smaller than 160mm and that the caliper interferes with the trainer.
It'd be great if that's not the case. I might take some photos of her bike on my kickr to show you what I mean. No worries if it goes in the meantime will I figure it out.
Her bike is 650b (she's 5ft 3) so that might be part of the issue.
Edit: if it's a 160mm rotor then the rear caliper will have the flat mount spacer and will be further away from the trainer, if it's 140mm that spacer isn't there and thus the caliper is closer to the unit.
Saffronspokes
Ok cool, what's the clearance like for the rear disc brake? My girlfriend rides a super small frame and the clearance isn't huge on my V2 kickr with her bike mounted...
Edit: She has a 140mm rotor so looks like it won't fit sadly
https://support.wahoofitness.com/hc/en-us/articles/204281824-Is-My-Bike-Compatible-with-the-Original-KICKR-14-
GLWS