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Title: B31 tyre sizes for a 1958 bike.
Post by: JEFFLEW on 24 Feb, 2017, 18:59

Good Evening All
I'm starting the put together phase of rebuilding my B31As I've now got the wheels and hubs back together I need some tyres. Any suggestions please on good tyres to fit and the correct sizes . The off coming are both 3.25 x 19 .

I'd looked at fitting Avons but the rear seems to be only available as 3.50-19 ( Avon AM7 Safety Mileage MK II ). The front as 3.25 x19 is readily available. as the AM6 speedmaster.

Any suggestions or advice would be greatly appreciated.

Title: Re: B31 tyre sizes for a 1958 bike.
Post by: JulianS on 24 Feb, 2017, 19:17

The B33 of the same year was fitted with a 3.50 x 19 rear tyre. As the wheels are the same the slightly wider tyre would suite your bike.

Title: Re: B31 tyre sizes for a 1958 bike.
Post by: JEFFLEW on 24 Feb, 2017, 23:05

Thanks for the help.

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The BSA Workshop => Singles => Topic started by: JEFFLEW on 24 Feb, 2017, 18:59