Thread: 20x1.75" tires all the same?
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Old 12-19-17 | 09:52 PM
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Abu Mahendra
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Joined: Jan 2016
Posts: 2,244
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From: Bali

Bikes: In service - FSIR Spin 3.0, Bannard Sunny minivelo, Dahon Dash Altena folder. Several others in construction or temporarily decommissioned.

Originally Posted by jefnvk
Yes, I know I should always go off the ETRTO tire sizing, but the Dahon folder I just picked up has tires that are in such awful shape that I can barely read the 20x1.75", and nothing else. It is an older bike that I can't find much about online. Are there any goofy tire variants in this size that I have to worry about?

Also will take any recommendations on tires (preferably Contis, as I get a substantial corporate discount) for city commuting use.
Decimal (e.g. 20x1.75) is 406. Fractional (e.g. 20x 1 3/8) is 451.
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