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Old 09-23-2008, 07:31 PM   #20 (permalink)
Ryland
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Join Date: Jan 2008
Location: Western Wisconsin
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honda cb125 - '74 Honda CB 125 S1
90 day: 79.71 mpg (US)

green wedge - '81 Commuter Vehicles Inc. Commuti-Car

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Quote:
Originally Posted by Bicycle Bob View Post
How do you find 135 R13 tires and suitable wheels? I've gone the route of looking for available LRR tires that help tweak the gear ratio, but the wheels are scarce, too.

I think that the performance advantage of an exhaust pipe comes not from back pressure, but from suction produced by the momentum of the exhaust gasses in a tuned pipe.
I have my 145/70R13 tires on 4.5" wide rims and everything looks and rides perfect according to the pocket auto reference guide 3 to 4.5" wide tires are fine to use with 135/50 and up tires and 135 tires have an assumed side wall of 85%, so that is a rather tall sidewall, so i would think 5" wide rims with 135 R13 tires would be fine, 5" wide is common on alot of 4 bolt by 100mm spacing on alot of Japanese cars with 13" rims, geo's often have 4.5" wide rims, same with the civic vx, crx hf, and a few other cars built for mileage.
i got my 145/70 R13 tires from a NEV dealer.
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