SOHC.co.uk Forums > CB500/550
500 K cafe racer conversion - build thread
Ewan 500 K1:
After much gnashing of teeth my Dual Disc calipers all set up now , 0.06 inch clearance between both fixed pads and their discs and a freely rotating wheel. This was the most trying part of the build I have done so far .. as I didn't originally realise that the caliper arms I have were not identical, that the mudguard bracket is non standard and that I have a narrow 500 hub on 550 forks.
The right hand side needed no modifications such as shims or filing ... just the simple addition of a caliper arm, a caliper pin, a caliper pin bracket and a caliper. On this side the mudguard bracket is sandwiched between the caliper pivot pin bracket and the fork. All that was need was a few washers on the spring adjuster screw to give the spring some compression (see photo)
On the left hand side all that was needed was to file down the leading edge of the pivot pin bracket.
... not that this reflects the fact that it took me all day trying different combinations of pivot arms, pivot pin brackets and mudguard bracket placement. Full agony is exposed in my other thread at :
http://www.sohc.co.uk/index.php?topic=5571.msg27634#msg27634
Thanks go to BryanJ and Oddjob for sharing the pain
Ewan 500 K1:
.. and just as I finished getting my dual discs set up right a man in a van arrived with my new Hagon rear shocks. These are a special build at 361mm between centres (standard are 315mm) , needed longer ones as clearnace at the back wheel has reduced due to insertion of the plate in the rear hoop to hold the battery and electrics .
Later edit; Not sure what effect this will have on the bike's geometery and in particular on the front end rake and trail, but will calculate the effects once I have the bike togeather and see if I need to do any front end mods (should have done this before I took it to bits again ... but didnt realise the potential issue) One thing in my favour is that the bent sterring stem woul have recuced rake and trail , so running with a straight triple T and longer rear shocks might make me end up in the same place as when running with the bent triple T and stancard rear shocks .. we'll see)
UK Pete:
Do they charge more for special build shocks?
pete
Ewan 500 K1:
Model number 31012CSS , Custom Shocks. I paid £195 delivered Pete, got them from Bike Revival at http://www.bike-revival.co.uk/page1.html I think was an extra £15 for the custom build
Ewan 500 K1:
having cleaned the frame ready for powder coating I found some cracks and corrosion under one of the rear footrest mounts. Also the cafe bars hit the tank on full lock, so thinking that the steering stop on the lower head stock needs to be a bit wider
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