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Old 03-14-2012, 10:42 PM   #5 (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

Blue VX - '93 Honda Civic VX
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155/80 R13 would be a narrower, lighter weight tire that is about the same height as the 175/70 R13 and the CRX is well within the weight range of the 155mm wide tires.
Another option is going up to 14" rims (off a older civic hybrid, civic hx, Honda insight, or any number of other vehicles) and getting 165/60 R14 tires and getting low rolling resistance tires as well, at least that is what my plan is as the Civic VX calls for the same 165/70 R13 tires as the CRX and they are getting hard to find.
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