Laurence--Trials Posted January 23, 2013 Report Share Posted January 23, 2013 I'm building up this commuter/mountain bike typed thing out of old bits and pieces from work and everyone knows i love my breaking power, so i wanted to slap a 200mm rotor up front and a 180mm on the rear. However the guy who was building the bike for me said that a 200mm rotor would be over kill(which is probally right, but then again this is me.) and that it would snap the fork. Now i didn't really say alot but i'm fairly convinced it would NOT snap the fork. Any thoughts? Picture attached, the bike isn't fully built yet. Carrera 120mm sus' fork with post mount the brake will be an avid elixir calliper on a quad lever so not overally powerful on a 203mm formula rotor. Quote Link to comment Share on other sites More sharing options...
customrider-Rhys Posted January 23, 2013 Report Share Posted January 23, 2013 well in that case then all 26 riders are f*cked, i know loads of people who run 200 mm discs with hopes, they dont snap forks, cant see how this will when all your doing is slowing down and them forks are surely strong? 1 Quote Link to comment Share on other sites More sharing options...
Laurence--Trials Posted January 23, 2013 Author Report Share Posted January 23, 2013 Thats exactly what i thought, i mean if you cant use a 200mm rotor on there because they'll snap surly they're not safe to use full stop? Quote Link to comment Share on other sites More sharing options...
LEON Posted January 23, 2013 Report Share Posted January 23, 2013 The man is talking bollocks. Overkill for a day to day mountain bike maybe, but I don't think your forks are worried. 2 Quote Link to comment Share on other sites More sharing options...
dezmtber Posted January 23, 2013 Report Share Posted January 23, 2013 The worst that will happen is the pads will glaze because it won't get hot enough. Unless u like to brake late and hard. 1 Quote Link to comment Share on other sites More sharing options...
Laurence--Trials Posted January 23, 2013 Author Report Share Posted January 23, 2013 Thankyou haha! Yes I do tend to break quite hard.... This 'man' is my colleague at work. - halfords which might explain why haha Quote Link to comment Share on other sites More sharing options...
isitafox Posted January 23, 2013 Report Share Posted January 23, 2013 Is he an engineer??? 2 Quote Link to comment Share on other sites More sharing options...
customrider-Rhys Posted January 23, 2013 Report Share Posted January 23, 2013 Is he an engineer??? thats a strong word for them at halfords isnt it? Quote Link to comment Share on other sites More sharing options...
Ali C Posted January 23, 2013 Report Share Posted January 23, 2013 There may be some truth in what the guy said, but it's possible he's just not able to think for himself and is quoting someone or something he heard in the past. most sus forks have some kind of warranty that usually covers rotors up to 180mm, most forks use some kind of Magnesium in the alloy mix to try and save some weight and the disc mounts may not be as strong as rigid forks. I say go for it, but don't be gobsmacked if it does fail if you ride trialsy stuff with it. 1 Quote Link to comment Share on other sites More sharing options...
Laurence--Trials Posted January 24, 2013 Author Report Share Posted January 24, 2013 Thanks Ali, thats pretty helpful. Maybe a few bunny hops here and there but not trials as such. Quote Link to comment Share on other sites More sharing options...
williams Posted January 24, 2013 Report Share Posted January 24, 2013 I think that you will snap the adaptor quicker than the mount itself:) You should be fine, especially if your not planning to do any sick up to fronts Quote Link to comment Share on other sites More sharing options...
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