formula disc brakes includes rotors £25

retro73

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Disc brakes look lovely but cannot seem to find an adaptor stopped them to fit my Manitou forks, as it fouls on the caliper and i cannot be bothered to buy anymore adaptors with pm or is, as i am out of my depth so for sale

165mm discs, front caliper will not go over the disc so i must have done something to it , who knows and it appears to have a crack on one of the 2 clamps on a lever. I have nor used them

£25 POSTED pp gift please

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Cheers dude, about 52.5mm as Josh said,

Have got a picture but photobucket is not playing ball ??

Im going to be keeping these arnt I :roll:

Will swap for red chain ring bolts or red or gold bottle cage bolts (large domed heads), or middlburn self extracting crank bolts in red or gold or xt 8 speed shifters, or at this rate anything ohh i need a car charger for my Sony ericsson x10 :lol: cash either way on any of the above .

Or make an offer

Someone must have something intresting that we can swap try me ?? :wink:

Dave
 
PM 74mm, IS 51mm is the norm.

http://www.bikeradar.com/forums/viewtopic.php?p=1590919

link explains that Formula are 49mm

The current IS standard came out in 2000 so it is often referred to as the disc IS 2000.
Before that there was the IS 1999 which is only slightly different to IS 2000, and before that Formula standard which was/is mainly found on pre 2000 marzocchi forks.

Formula Standard (or FS) looks the same but the caliper mounting holes are spaced at 49mm rather than 51mm and the bolts used to mount the caliper are 4mm not the current 6mm, also the Over lock nut to disc mounting face is different.


hope this helps?
 
If thats the case then these will fit the old 'twin disc' 97/98 Zseries bombers. Would make a nice classic disc braked bike.
 
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Great - thanks for all the info :)

They really are so well made and a lovely finish- not sales pitch as judging by my above advert thats not my forte :wink:
 
Id say 2000 or so?

The measurements and standards dont match up, ahve you any better way of measuring?
 
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