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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
New Tyres for Old Egli (and Old Owner)
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<blockquote data-quote="Howard" data-source="post: 10594" data-attributes="member: 271"><p>Things have got very confusing in the tyre department since 1974 when I bought the Egli (Shadow 70), so any help would be much appreciated.</p><p> </p><p>I've always been an Avon fan, and the back tyre is a fairly new AM21 Roadrunner 100/90 H18. The problem starts when I want a new front because, good as Alpha Tyres are, they don't have Egli Vincents in their books of recommended tyres.</p><p> </p><p>The wheels are both WM3 18", and the man at Alpha seems to think 100/90 H18 would be better as a front tyre, but my AM21 is only suitable for the rear. He suggested AM20 (and I think AM26) 90/90 for the front, but thought both sounded too narrow. I have the feeling the main deciding factors are going to be the width between the Metal Profile fork legs and, on the back, the distance from the centre of the tyre to the chain.</p><p> </p><p>Now then, If someone out there can answer that one, they should be able to help with tyre pressures. Old tyre pressures are obviously too low for modern tyres ( I don't think these bar/mm2 thingys are as strong as the good old PSI thingys) but is there a recommended pressure or is it anybody's guess?</p></blockquote><p></p>
[QUOTE="Howard, post: 10594, member: 271"] Things have got very confusing in the tyre department since 1974 when I bought the Egli (Shadow 70), so any help would be much appreciated. I've always been an Avon fan, and the back tyre is a fairly new AM21 Roadrunner 100/90 H18. The problem starts when I want a new front because, good as Alpha Tyres are, they don't have Egli Vincents in their books of recommended tyres. The wheels are both WM3 18", and the man at Alpha seems to think 100/90 H18 would be better as a front tyre, but my AM21 is only suitable for the rear. He suggested AM20 (and I think AM26) 90/90 for the front, but thought both sounded too narrow. I have the feeling the main deciding factors are going to be the width between the Metal Profile fork legs and, on the back, the distance from the centre of the tyre to the chain. Now then, If someone out there can answer that one, they should be able to help with tyre pressures. Old tyre pressures are obviously too low for modern tyres ( I don't think these bar/mm2 thingys are as strong as the good old PSI thingys) but is there a recommended pressure or is it anybody's guess? [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
New Tyres for Old Egli (and Old Owner)
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