UK Monster Owners Club Forum » .: Technical :. » Cans, Tyres, Brakes, etc. » Caliper Bolts

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Old 05-05-2020, 07:49 PM   #1
chris.p
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Caliper Bolts

Need new Caliper bolts.
I swopped My standard 1100 Evo calipers for a set of 899/959 ones.

Need new caliper bolts so do I go for a set of Racebolt Titanium.

https://raceboltuk.com/product/ducat...-mounting-kit/


Or Stainless steel ones.

https://raceboltuk.com/product/ducat...ounting-bolts/

PS i do like the predrilled as I have thing about lock wiring
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Old 05-05-2020, 09:41 PM   #2
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Hi Chris. Have you had chance to try the evo with the change of callipers? Obviously current circumstances make things hard but would be interesting to hear your thoughts on the swap. Have you used the standard evo master or a different one? Cheers Ryan
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Old 05-05-2020, 09:56 PM   #3
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I did actually change them a few years ago, have SBS Race/Track day pads in and they do make a difference on the 1100.
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Old 05-05-2020, 09:57 PM   #4
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Quote:
Originally Posted by chris.p View Post
Need new Caliper bolts.
I swopped My standard 1100 Evo calipers for a set of 899/959 ones.

Need new caliper bolts so do I go for a set of Racebolt Titanium.

Or Stainless steel ones.
I recently changed mine for stainless, Chris. Can't remember whether they were Racebolt or Probolt.

More details (and pics!) here, Ryan.

http://www.ukmonster.co.uk/monster/s...ad.php?t=54739
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Old 05-05-2020, 10:38 PM   #5
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Sorry Chris I totally forgot about reading this about the caliper swap a long time ago. A quick ebay search has a set for £150 interestingly
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Old 05-05-2020, 11:39 PM   #6
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Quote:
Originally Posted by Rrawlings View Post
Sorry Chris I totally forgot about reading this about the caliper swap a long time ago. A quick ebay search has a set for £150 interestingly
Go for it
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Old 05-05-2020, 11:58 PM   #7
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Ok, the reason I need a new set of Caliper bolts.
1/ Went into garage today, task, remove front wheel and clean and tidy everything up, same caliper bolts as in original pics.
2/ 3 caliper bolts came undone no issue, but did seem a little tight, (I always copperslip them and torque to the correct value).
3/ The 4th (right side front/top bolt? did not want to move, checked tightness of allen socket in bolt, all good, tried again and the socket allen key twised in the caliper bolt head and splayed the top of the caliper bolt, so it was not coming out.
4/ Shout , scream, pull what is left of hair out.
5/ Have a cup of tea and calm down a bit.
6/ Get electric drill out and trusty tin or ground split point 5% cobalt drills out.
7. Use an 8.5mm bit (as it fits snug in socket head) and just a quick drill as this gives me a near exact centre point into the base of the head of bolt, start with a 3,5mm bit and slowly drill to just below the head of the caliper bolt, using WD-40 as coolant etc (having taped and clothed the rest of the caliper so no swarf got into the business bits), after about 15 20 mins of gentle bit knackering working my way up to a 10mm bit the head of the caliper bolt came off, phew sorted, now just need to take the caliper off tomorrow and remove the bolt.
8/ There will be no pics of said removel as it was painful and embarrassing enough just to type this up.

I did buy those S/Steel caliper bolts off ebay so probably not the best quality, and I will not be going for that style of head again, so there I have fessed up.

Last edited by chris.p; 06-05-2020 at 12:01 AM..
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Old 06-05-2020, 07:55 PM   #8
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The offending bolt removed.

https://i.postimg.cc/9MXDqW4y/1-D316...-D5-ED9-C2.jpg
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Old 06-05-2020, 08:00 PM   #9
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A job well done! Did you have much trouble removing the threaded part from the fork once you'd drilled off the head?
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Old 06-05-2020, 08:17 PM   #10
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Wow, nightmare .
I removed mine the other day to get the wheels out and was paranoid about something giving way . Mine looked a bit dirty and corroded so gave them all a good clean up today . Good old autosol .

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Old 06-05-2020, 08:19 PM   #11
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A job well done! Did you have much trouble removing the threaded part from the fork once you'd drilled off the head?
No, undid it with my fingers, could not believe it.

Still trying to figure out why they where so tight ???

The only time i have not touched it is when it went in for service and MOT last year ??
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Old 06-05-2020, 08:46 PM   #12
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They just seem to do that sometimes.
A local tyre fitter broke a pair of snap-on hex drivers on one of mine once, he was suprised! I was a bit too but my scabby old kasma drivers (and quite a long bar) did the job, changed them and lathered the new ones in lube, drilling stuff out isn't one of my favoured jobs.
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Old 06-05-2020, 09:04 PM   #13
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No, undid it with my fingers, could not believe it.

Still trying to figure out why they where so tight ???
So, once you released the tension by removing the head, it just wound out? That was lucky (and could have been a lot worse!)
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