1961 BSA Super Rocket Rebuild

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Apr 20, 2011
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Avon works hard at confusing you! The tyre names are often close to each other: SM = Speed Master or Safety Mileage?
I have the 400-18 Safety Mileage on the back of the 69 Interceptor. If you look at the profile it is rather square and although I no longer am
a foot rest dragger it does make you wonder about laying WAY over at the roundabouts. It also has the most rigid sidewalls on
any tyre I've ever used.
Don't forget, these tyres came out I think in the late1950s, and were also used as a " universal"
tyre for motorcycle combinations!
Tyres have come along way since then.
 
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I had a Safety Mileage 4.00x18 on the rear of my B44 Shooting Star, deadly around Brum's diesel infested roundabouts in the 80's and can't see them being any better today. It got replaced by a confidence inspiring Roadrunner.
 

Onder

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May 11, 2010
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Correct but they claim "modern compounds" in the current tyre. They do seem reasonably grippy. Mind that as a semi deceased older man there is no
voluntary rain riding, hotdogging or any other testing of traction.
 
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