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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Brampton Coil-Over Damper
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<blockquote data-quote="Oldhaven" data-source="post: 72724" data-attributes="member: 2879"><p>Here is the Brampton Thornton setup on my B. I posted some pictures during my build, but here are some more recent ones. I had to do a bit of fabrication of mounting points by modifying commercially available clevis components to make it work, since the damper was supplied as a standard rear non coil over configuration. It is internally modified by Dave Molloy to reduce travel for this application. I am not sure if it is still offered. The specifics of the mounting details were suggested by Ted Leno and Dave Molloy, based on Ted's B adaptation, and a drawing was available from Dave that shows one way of doing it. I departed from that a bit because I did not want to mount the bottom head light stays on a pivoting mount, as was suggested. I made an extension from the balance beam pivot. This lowered the headlight by about an inch which has other benefits such as clearance for the speedometer and switch, and I like the slightly different look of the lowered light. My balance beam is not being used since I have the Vincent Speet's brakes and is just there for appearance and as a place to route the cables. I don't see why this mounting could not be done with a functional balance beam. Anyway, it simplified the lower mount by not requiring the headlight stays to cope with the slight rotation of the lower damper mount. the lower clevis mount has to be long enough to clear the fork spring lug through the range of travel. All in all I am quite pleased with the way it works and I find it comfortable and it eases the harsh action a lot on bumpy roads.</p><p></p><p>I have a Thornton non coil over on the rear also. I did cut the UFM tube to use it, which mortified me since it was unmolested, but that could be easily undone if some future purist want it correct.</p><p></p><p>[ATTACH=full]14550[/ATTACH] [ATTACH=full]14551[/ATTACH] [ATTACH=full]14552[/ATTACH] [ATTACH=full]14553[/ATTACH]</p></blockquote><p></p>
[QUOTE="Oldhaven, post: 72724, member: 2879"] Here is the Brampton Thornton setup on my B. I posted some pictures during my build, but here are some more recent ones. I had to do a bit of fabrication of mounting points by modifying commercially available clevis components to make it work, since the damper was supplied as a standard rear non coil over configuration. It is internally modified by Dave Molloy to reduce travel for this application. I am not sure if it is still offered. The specifics of the mounting details were suggested by Ted Leno and Dave Molloy, based on Ted's B adaptation, and a drawing was available from Dave that shows one way of doing it. I departed from that a bit because I did not want to mount the bottom head light stays on a pivoting mount, as was suggested. I made an extension from the balance beam pivot. This lowered the headlight by about an inch which has other benefits such as clearance for the speedometer and switch, and I like the slightly different look of the lowered light. My balance beam is not being used since I have the Vincent Speet's brakes and is just there for appearance and as a place to route the cables. I don't see why this mounting could not be done with a functional balance beam. Anyway, it simplified the lower mount by not requiring the headlight stays to cope with the slight rotation of the lower damper mount. the lower clevis mount has to be long enough to clear the fork spring lug through the range of travel. All in all I am quite pleased with the way it works and I find it comfortable and it eases the harsh action a lot on bumpy roads. I have a Thornton non coil over on the rear also. I did cut the UFM tube to use it, which mortified me since it was unmolested, but that could be easily undone if some future purist want it correct. [ATTACH=full]14550[/ATTACH] [ATTACH=full]14551[/ATTACH] [ATTACH=full]14552[/ATTACH] [ATTACH=full]14553[/ATTACH] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Brampton Coil-Over Damper
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