Timeline for Will 40-635 tyres fit on a 21-622 rim?
Current License: CC BY-SA 4.0
14 events
| when toggle format | what | by | license | comment | |
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| Sep 16, 2020 at 2:23 | comment | added | Michael Hampton | My limited understanding is that there are some countries where 700c (622) tires (and wheels!) are uncommon or almost nonexistent. Of course these days you can import anything from anywhere in the world, but when you're 100km from home and need a new tube, tire or even wheel, the LBS might have nothing for you. Once I tried to put a 27" (630) tube into a 622 tire, as the nearest shop with 700c (622) tubes was 45km away. It was too large to fit. So much for availability. I expect that if you try to put a 635 tire into a 622 wheel it will be too large and just pop off, or not go on at all. | |
| Sep 15, 2020 at 20:30 | history | became hot network question | |||
| Sep 15, 2020 at 19:11 | comment | added | Criggie♦ | "28 inch" is a horrid meaningless size. the ETRTO number is a confusion-free way of describing a tyre size, so don't feel bad to think of those riders as "old-fashioned" and take their words and advice with salt. Also, you have internet/web access, and there are plenty of web-based stores that will ship you stuff. Supporting the LBS is one thing, but not carrying common sizes makes them a poor LBS. | |
| Sep 15, 2020 at 13:05 | comment | added | Sim | Yeah, I checked that after @Argenti Apparatus pointed it out | |
| Sep 15, 2020 at 12:56 | comment | added | Daniel R Hicks | 15mm isn't much when compared to 622, but look at how much the tire overlaps the rim. You'd be cutting the overlap in half, maybe more. | |
| Sep 15, 2020 at 12:35 | comment | added | Sim | @Daniel R Hicks, I come from a place where bicycles are looked at as a poor man's mode of transport and most people don't even know that there are specific bikes for specific purposes, let alone understand the tyre size standards! Bikes for them are categorised as "normal" and "geared" ; "normal" and "racing"... You get the drift. | |
| Sep 15, 2020 at 12:35 | review | Close votes | |||
| Sep 23, 2020 at 3:04 | |||||
| Sep 15, 2020 at 12:28 | vote | accept | Sim | ||
| Sep 15, 2020 at 12:28 | comment | added | Sim | I've read the thread you're suggesting, ojs, but I still didn't understand whether I could put on a 635mm Tyre on a 622 mm rim, I was of the belief that "just" 15 mm worth difference isn't much, just a 2.5% worth difference and it won't be much of a problem if I try to put on the bigger tyre on.. | |
| Sep 15, 2020 at 12:19 | comment | added | ojs | Does this answer your question? How are tire sizes measured? | |
| Sep 15, 2020 at 12:18 | answer | added | Argenti Apparatus | timeline score: 11 | |
| Sep 15, 2020 at 12:13 | comment | added | Daniel R Hicks | It might work, but there is a serious probability that the new tire would pop off the rim. And I seriously find it hard to believe that you can't find 700C (xx-622) tires, as that is one of the most common sizes in use for road bikes. | |
| Sep 15, 2020 at 12:01 | review | First posts | |||
| Sep 17, 2020 at 15:59 | |||||
| Sep 15, 2020 at 11:58 | history | asked | Sim | CC BY-SA 4.0 |