15" Avon Sizes

Chris Kouba

Supporter
It appears the standard Avon sizes to use on a 40 are 215/60-15 and 295/50-15. With the current alignment on my RCR, there is only the smallest gap between the lead edge of the sill and the tire tread through a portion of the steering travel, and the right side rubs the chassis at full right lock.

Looking through the sizing chart, there is a 185/70-15 which ends up with the same sidewall height, but is 0.9" narrower across the section and ~.6" narrower at the tread. It should help the clearance to the sill and maybe help the rub on the right side.

Has anyone here used this size? Any feedback or regrets?

Any other constructive or informed opinions out there?
 

Bill Kearley

Supporter
I had to make and install steering limiters that fit over the shaft of the rack. The difference it made to steering radius was a non issue.
 
Hello, 215 is ok for 8" width front wheels, but 295 is for me too width when using 10". It is what I have on mine and I am changing to 265 instead of.
 
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