flak monkey
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| posted on 21/4/10 at 11:48 AM |
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13" CXR's and Sierra Rear Calipers
Will 13" Compomotive CXR's fit over sierra rear disc brakes ok?
I seem to remember some adjustment being required to the handbrake lever possibly?
Thanks,
David
Sera
http://www.motosera.com
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Frosty
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| posted on 21/4/10 at 12:48 PM |
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It depends on the mounting of the calliper. On a Westfield they fit just fine, but on an Indy they don't as an example.
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flak monkey
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| posted on 21/4/10 at 12:54 PM |
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Well, the axle is dedion and the caliper is fitted to the standard sierra hub. I think the issue on the MK is clearance to the wishbone?
Discs are 253mm OD
Probably best I have a measure up of disc and caliper tonight and send the dimensions over to Compomotive to check.
Sera
http://www.motosera.com
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locoR1
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| posted on 21/4/10 at 01:24 PM |
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David ive not long put 7x13 crx's on mine wrong offset for you but your welcome to come over and try one for clearence if it would help. P.s
mines dedion but im running drums so cant help with the sierra caliper clearence
 
Description
Check out my CB500T Cafe Racer build diary
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antonio
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| posted on 21/4/10 at 02:05 PM |
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it's ok on my MNR, 13"x8, ET 38 IICR
hope that helps
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AdamR
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| posted on 21/4/10 at 06:25 PM |
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quote:
Originally posted by flak monkey
Well, the axle is dedion and the caliper is fitted to the standard sierra hub. I think the issue on the MK is clearance to the wishbone?
Discs are 253mm OD
Probably best I have a measure up of disc and caliper tonight and send the dimensions over to Compomotive to check.
David, will you let me & the rest of us know the definitive answer to this when you find out? I may be interested in your group buy if the wheels
will fit over a Sierra rear disc setup (I actually use Golf calipers, but I have Sierra calipers to compare with).
Cheers.
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flak monkey
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| posted on 21/4/10 at 06:28 PM |
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Initial measurements suggest that they wont fit. The outside of the caliper is approx 145mm radius from the centreline but the handbrake lever and
bleed nipple stick out quite a bit more (another 12mm or so)
However I have sent the dimensions over to compomotive to see what they say.
David 
Sera
http://www.motosera.com
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flak monkey
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| posted on 23/4/10 at 02:24 PM |
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It looks like sierra rear calipers will *just* and I mean just squeeze under 13" CXRs with a modification to the handbrake lever.
This has only been checked on 8" wide rims with an ET38 offset though....and there is literally 1 or 2mm spare to the bleed nipple.
So just a little snug thats all! 
David
Sera
http://www.motosera.com
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hobbsy
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| posted on 24/4/10 at 06:51 PM |
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Sorry for the slight hi-jack but has anyone got any info or photos on how you modify the handbrake mechanism? I've got some 13" caterham
alloys and they foul the handbrake mechanism. I've taken a photo which I'll upload later
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flak monkey
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| posted on 24/4/10 at 07:31 PM |
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I was about to ask the same question - I'll start another thread ...
Sera
http://www.motosera.com
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