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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Tyres
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<blockquote data-quote="Tom Gaynor" data-source="post: 8648" data-attributes="member: 4034"><p>I run Avon speedmaster front, roadrunner (rider, whatever) rear. The roadrunner is labelled 110/90 which is "furrin" for 4.10/3.50. Safety Mileage rear was OK in the dry, but in the wet one felt one was skating on thin ice when it climbed up on the corner. I have a prejudice against mixing makes front to rear, FWIW.</p><p>Because i measure such things I know that modern Avon road rubber is the same hardness as Dunlop and Michelin race rubber used to be. Suits me...</p><p>IHRO regulations limit the tyres to be used in their classic races. These are Avon AM20 90/90, Avon AM22 110/90, Avon AM22 120/90, or Dunlop KR485 (which is a front triangular designed for a 125, but flattened out on the wider WM3 rim a Manx uses). My distinct impression is that this reflects Avon's greater interest in "old bike" tyres, albeit with modern rubber. If you want the real period look, you could go for Speedmaster front, GP rear, both in race rubber, like a 350 Manx with which we are both acquainted. </p><p>Good idea to run a WM2 front - but too late, too much money already spent!</p></blockquote><p></p>
[QUOTE="Tom Gaynor, post: 8648, member: 4034"] I run Avon speedmaster front, roadrunner (rider, whatever) rear. The roadrunner is labelled 110/90 which is "furrin" for 4.10/3.50. Safety Mileage rear was OK in the dry, but in the wet one felt one was skating on thin ice when it climbed up on the corner. I have a prejudice against mixing makes front to rear, FWIW. Because i measure such things I know that modern Avon road rubber is the same hardness as Dunlop and Michelin race rubber used to be. Suits me... IHRO regulations limit the tyres to be used in their classic races. These are Avon AM20 90/90, Avon AM22 110/90, Avon AM22 120/90, or Dunlop KR485 (which is a front triangular designed for a 125, but flattened out on the wider WM3 rim a Manx uses). My distinct impression is that this reflects Avon's greater interest in "old bike" tyres, albeit with modern rubber. If you want the real period look, you could go for Speedmaster front, GP rear, both in race rubber, like a 350 Manx with which we are both acquainted. Good idea to run a WM2 front - but too late, too much money already spent! [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Tyres
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