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replace 3.3 x 20 with a 4.0?

Started by handlebar, October 04, 2023, 08:11:41 AM

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handlebar

I never liked my Radrunner tires. Now that the tread on the right is wearing from cornering, I've got an excuse to put on something better.

I like my Radmission 1.95 x 27.5 tires. They're marked CST CTC-06-1. CTC-06 is a series that includes Big Boat. They have a TPI of 60, which Schwalbe says is much better for puncture resistance and low rolling resistance than the OEM 30 TPI tires.

It's readily available in 4 x 20.
https://www.tradeinn.com/bikeinn/en/cst-ctc-06-rigid-urban-tyre/140040771/p

Would it fit my 55mm rim? I downloaded a chart from a distributor showing what width rims fit what width tires. It says these rims are good for 3.00 to 5.00 inch tires.

If I rerouted the rear brake cable and rear light wire, it looks as if my Radrunner would have plenty of room. I never thought Radpower should have routed those lines between the chainstay and the tire, anyway.

Does it sound like a good idea?

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