• I have just received my Equilibrium 931 Disc, I see that the previous owner has used it with 160 mm rotor in the back, while by default it has been 140 (in original spec). Should I switch back to 140 for the peace of mind or can 160 be used just as well?

  • 160 can be used fine, you'll just need an adaptor to step up the caliper so it can take the 160mm rotor.

  • The proper adapter is already in place. I also just got a reply from Genesis that 160 is officially approved by them.
    Now one more question - is there any noticeable difference between RT64 and RT70 IceTech rotors?
    I have spare RT64s from previous bike, here I have one RT70, I could get the second one too, if there is any significant improvement. On the other hand, I heard a lot about IceTech rotors being more susceptible to warping, what is your experience?

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