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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Installing a Front Disc Brake on a Series ‘C’
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<blockquote data-quote="Dave61" data-source="post: 106040" data-attributes="member: 231"><p>I`ve made a bit more progress with my disc brake set up.</p><p>I had been intending to use a pair of Harrison 4 pot billet calipers as I`ve had a pair of the 6 pot ones on the shelf for around 12 years so used them for my working out but realised they`d be way over the top, but the cost was putting me off the 4 pot ones.</p><p>I`ve tried to get caliper dimensions online for different makes & have spent fruitless hours to no avail, then luckily I remembered the name Wilwood from looking at alternative brakes for a Volvo Amazon.</p><p>I found that they do a 4 pot caliper that is even narrower than the Harrison`s so good for spoke clearance & clears the mudguard stay by 2-3mm.</p><p>The good bit is that they were considerably cheaper, around £440 including import duty, though this could be affected by the weak pound.</p><p>I got my pair of calipers of eBay they were UK listed & had been bought by the seller but not fitted.</p><p>If I were to do it with brand new calipers I`d use the version of the same caliper listed for rear applications as the caliper bracket could be more "fan" shaped as the caliper mountings are symmetrical.</p><p>I`ve made mock ups of the caliper bracket in ply & plastic to check clearance & fit then made a pair of Alloy brackets but not that happy with the finish,I`m a Wood Joiner so not that good with metal.</p><p>Not doing anything anyone else hasn`t done before but it`s a really simple conversion especially if you`re happy to run an electronic speedo.</p><p>Dave[ATTACH=full]26618[/ATTACH][ATTACH=full]26619[/ATTACH][ATTACH=full]26620[/ATTACH][ATTACH=full]26621[/ATTACH][ATTACH=full]26622[/ATTACH][ATTACH=full]26623[/ATTACH]</p></blockquote><p></p>
[QUOTE="Dave61, post: 106040, member: 231"] I`ve made a bit more progress with my disc brake set up. I had been intending to use a pair of Harrison 4 pot billet calipers as I`ve had a pair of the 6 pot ones on the shelf for around 12 years so used them for my working out but realised they`d be way over the top, but the cost was putting me off the 4 pot ones. I`ve tried to get caliper dimensions online for different makes & have spent fruitless hours to no avail, then luckily I remembered the name Wilwood from looking at alternative brakes for a Volvo Amazon. I found that they do a 4 pot caliper that is even narrower than the Harrison`s so good for spoke clearance & clears the mudguard stay by 2-3mm. The good bit is that they were considerably cheaper, around £440 including import duty, though this could be affected by the weak pound. I got my pair of calipers of eBay they were UK listed & had been bought by the seller but not fitted. If I were to do it with brand new calipers I`d use the version of the same caliper listed for rear applications as the caliper bracket could be more "fan" shaped as the caliper mountings are symmetrical. I`ve made mock ups of the caliper bracket in ply & plastic to check clearance & fit then made a pair of Alloy brackets but not that happy with the finish,I`m a Wood Joiner so not that good with metal. Not doing anything anyone else hasn`t done before but it`s a really simple conversion especially if you`re happy to run an electronic speedo. Dave[ATTACH type="full" alt="IMG_20190330_115945.jpg"]26618[/ATTACH][ATTACH type="full" alt="IMG_20190330_120053.jpg"]26619[/ATTACH][ATTACH type="full" alt="IMG_20190330_120159.jpg"]26620[/ATTACH][ATTACH type="full" alt="IMG_20190330_122635.jpg"]26621[/ATTACH][ATTACH type="full" alt="20190329_150441.jpg"]26622[/ATTACH][ATTACH type="full" alt="IMG_20190330_134342.jpg"]26623[/ATTACH] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Installing a Front Disc Brake on a Series ‘C’
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