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Post by Deleted on Apr 15, 2016 12:00:41 GMT
Just put the Chief back together - new drive train.
Brand new XT rotors - back one is ok but the front is juddering so badly it's flexing the Pikes. Only been up and down the road.
I'd cleaned em with rubbing alcohol (only drank a bit) and the pads I rubbed down with sandpaper. Now, the pads were already on the bike - could it be uneven wear on the pads due to the knackered old rotors? should I sand em down more or just bin em and put new in?
Anything else I could have missed that could be causing it?
Cheers.
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Post by dirkpitt74 on Apr 15, 2016 13:01:54 GMT
Is the rotor running true?
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Post by timbo on Apr 15, 2016 15:25:14 GMT
Your old rotor will have worn in an hr glass sort of profile, so your pads will have a convex curved surface to them and will only really be contacting in the middle of the brake surface... right where all the holes are, hence judder.
If you do a bunch of stoppies itll probably sort its self out, but id just stick new ones in to encourage even wear from the start.
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Post by Deleted on Apr 15, 2016 16:22:15 GMT
Cheers Timbo - suspected as much but good to have it confirmed.
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Post by Deleted on Apr 15, 2016 16:23:19 GMT
Is the rotor running true? Brand new XT's Chris - straight as. |
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Post by Rlo80 on Apr 15, 2016 19:26:14 GMT
Did you install the rotors all with the same torque (assuming 6 bolt?!) and the right way, as in opposite bolts each way?
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Post by beansontoast on Apr 15, 2016 19:37:22 GMT
The answer is purple.... Obviously.
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Post by Deleted on Apr 15, 2016 20:05:25 GMT
If you do a bunch of stoppies itll probably sort its self out, but id just stick new ones in to encourage even wear from the start. The only time he attempts a stoppie i s if a young lady passes in Lycra workout pants or if a Public house is near by |
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Post by Deleted on Apr 15, 2016 20:07:57 GMT
The answer is purple.... Obviously. The Answer is always 42 |
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Post by Deleted on Apr 16, 2016 1:24:31 GMT
Gits, didn't torque the bolts but tightened them 'opposite bolt' wise. They are running dead straight. I'm guessing Timbo is right as the old rotors really were '8' shaped as he described, I'll bin the front pads in the morning and chuck some new in.
Spookily enough though, Beans and Bob, I was wearing purple pants and I did check the tyre pressures 42 times, so you may be onto summat too.
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Post by lowcogger on Apr 16, 2016 6:39:38 GMT
if you need new brakes let me know cos I`ve got a set that I havn`t fitted yet,even got new pads too.  velly good blakes,velly good plice.  |
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Post by Deleted on Apr 16, 2016 8:11:22 GMT
Mates rates? |
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Post by Deleted on Apr 16, 2016 9:42:30 GMT
Cheers all - it was the pads, chucked some new SUPERSTAR  finned jobbies in and ran em up and down the road a few times - lovely job - smooth as. |
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Post by lowcogger on Apr 16, 2016 11:04:58 GMT
Mates rates? oh yes |
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Post by Marmite on Apr 16, 2016 11:05:14 GMT
Cheers all - it was the pads, chucked some new SUPERSTAR finned jobbies in and ran em up and down the road a few times - lovely job - smooth as. ^^ ffs some fucker ban this twat I used to look up to you mate shakes head walks away tut'ing  |
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Post by Deleted on Apr 16, 2016 11:30:20 GMT
Cheers all - it was the pads, chucked some new SUPERSTAR finned jobbies in and ran em up and down the road a few times - lovely job - smooth as. ^^ ffs some fucker ban this twat I used to look up to you mate shakes head walks away tut'ing I'd best ban meself then. |
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Post by Marmite on Apr 16, 2016 11:31:47 GMT
^^ ffs some fucker ban this twat I used to look up to you mate shakes head walks away tut'ing I'd best ban meself then. That's an abuse of powers |
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Post by beansontoast on Apr 16, 2016 15:55:17 GMT
SUPERSTAR FTW
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Post by Deleted on Apr 16, 2016 16:43:20 GMT
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Post by Deleted on Apr 17, 2016 18:08:56 GMT
New pads with new rotors. I honestly didn't even think about this, what a chunt. |
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finned jobbies in and ran em up and down the road a few times - lovely job - smooth as.
