Disc Adapter difficultiesHome › Forum › Bike Forum › Disc Adapter difficultiesOverviewBike ForumChat ForumFor SaleWantedForum HelpClassified RulesViewing 9 posts - 1 through 9 (of 9 total)Disc Adapter difficulties JunkyardMemberis it the right way round? Is it 185? Pics may help Posted 4 years ago robdobMemberAvid discs are 185 I think, is that what you have? Posted 4 years ago robdobMemberIf you are using an Avid brake it may be expected a 185mm disc but if you’ve fitted a 180 that might explain the problem. But it would only be about 2.5mm out, might be enough for it not to work well. Posted 4 years ago edoverheelsMemberJust put a 180mm disc on the backwheel of a bike and so fitted an IS to PM 180mm adaptor. Put it all together and caliper is about 5mm too far out so only gripping outer edge of disc. Am I being very stupid? What have I missed? Posted 4 years ago edoverheelsMemberThanks for thoughts but it is a 180mm disc with 180mm neatly stamped on it Posted 4 years ago NorthwindSubscriberIs it avid though? I thought the bloody stupid trialign thing messes up their sizing? Posted 4 years ago garage-dwellerSubscriberI assume its a rear adapter? They are different to the front ones on spacing if I recall. Ie a 180 front caliper is the same spacing as a 160 rear. Posted 4 years ago andymc06MemberBalls! Posted 4 years ago andymc06MemberI’m guessing the adapter is upside down and the calliper will grip the disc much further round but 5 mm further on. It’s easy done! Posted 4 years ago Viewing 9 posts - 1 through 9 (of 9 total)The topic ‘Disc Adapter difficulties’ is closed to new replies.