• Shimano R785s. Can anyone explain to me why the calliper is only contacting half of the disc rotor? Was fine with the same adapter and spyres. Looks almost like it would work without the adapter, but then it'll never work with 140mm discs which is what it was designed for?

    Identical issue on the front too. I'm sure I've just set something up wrong, but dunno what

  • That sit way too high, is that a Shimano mount?

  • And ditch that quick release for a proper closed cam one.

  • Have you tried fitting the caliper without the adapter? Most PostMount forks ate natively 160mm.

  • There are 2 kinds of 140->160 (/160->180) or +20mm post-post adapters:

    and

    Did you find your adapter in the parts pile, because it could be a 185mm (avid) one (that would explain it)

  • Yeah exactly the same issue on the same bike. Didn't have a problem with the Spyres that were on there before. Think I have the problem F&R. Got it better but still not perfect

  • Looking at them, I think my front is now fine, but just hasn't caught up to the initial wear; but the rear might need more fiddling

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