Sloth1987 Posted July 20, 2022 Share I want to upgrade my MTB wheels. Old wheel have a inner width of 23mm. I want to go with a 26mm inner width. How much will the extra width of the rim affect the tyre width? Link to comment Share on other sites More sharing options...
TheoG Posted July 20, 2022 Share I'm using 25mm and very happy with it. I would say 25 - 30 all good ... , depend on the type of riding you do. eala 1 Link to comment Share on other sites More sharing options...
Sloth1987 Posted July 20, 2022 Share Thanks Theo. Just worried about the size as my clearance at the rear is not very generous Link to comment Share on other sites More sharing options...
TheoG Posted July 20, 2022 Share Just now, Sloth1987 said: Thanks Theo. Just worried about the size as my clearance at the rear is not very generous Rim wise you should be OK, the limit to the frame with the tyre is going to be the limitation. Luckily I have enough clearance to run Maxxis Aspens 2.4 front and rear. Edited July 20, 2022 by TheoG Link to comment Share on other sites More sharing options...
Sloth1987 Posted July 20, 2022 Share That is why I'm wordering how much larger the tyre will inflate on the wider rim Link to comment Share on other sites More sharing options...
TheoG Posted July 20, 2022 Share Just now, Sloth1987 said: That is why I'm wordering how much larger the tyre will inflate on the wider rim Not much at all. The tyre wdith is much more important than that fractions of mm. You really dont have to be concerned about that. If your current tyres work, they will still work with the wider rim, trust me ... 🤪 LBKloppers 1 Link to comment Share on other sites More sharing options...
117 Posted July 20, 2022 Share What frame? A 3mm wider rim wont give you a 10mm wider tyre width if thats your concern TheoG and eala 2 Link to comment Share on other sites More sharing options...
Nico van Loggerenberg Posted July 20, 2022 Share Compared the exact same tyre on a 19mm and a 25mm tyre this weekend, and I don't think there was even a millimetre in it. YMMV TheoG 1 Link to comment Share on other sites More sharing options...
Steady Spin Posted July 20, 2022 Share It is more the profile of the tyre that changed and not the actual width. Wider rim will square off the profile more creating the appearance of a wider tyre. TheoG and dasilvarsa 2 Link to comment Share on other sites More sharing options...
Sloth1987 Posted July 20, 2022 Share Thanks for the advice guys TheoG 1 Link to comment Share on other sites More sharing options...
dasilvarsa Posted July 20, 2022 Share 23 to 26 ? why not 23 to 30 ? 30 is the Fashion these days. Jono and LBKloppers 2 Link to comment Share on other sites More sharing options...
porqui Posted July 20, 2022 Share Does a wider rim make a significant difference ?? Genuine question. Link to comment Share on other sites More sharing options...
robbybzgo Posted July 21, 2022 Share A wider rim simply helps to put more tread on the ground and allows you to run at a slightly softer tyre pressure. So, more tread and more comfort. 2.35 tyres are a great tyre size compromise between trail and XC. Link to comment Share on other sites More sharing options...
eala Posted July 21, 2022 Share 7 hours ago, porqui said: Does a wider rim make a significant difference ?? Genuine question. Yes it does .But before wider rims we all rode narrower ones also,like 22mm ,and they also worked. For me the biggest difference was going wider rim and tire on road bike wheels TheoG 1 Link to comment Share on other sites More sharing options...
Jono Posted July 21, 2022 Share 13 hours ago, dasilvarsa said: 23 to 26 ? why not 23 to 30 ? 30 is the Fashion these days. this LBKloppers 1 Link to comment Share on other sites More sharing options...
TheoG Posted July 21, 2022 Share Yes it does. Wider rim give more tyre contact area with the ground and the rim can be stronger for not a small weight penalty, if at all. LBKloppers 1 Link to comment Share on other sites More sharing options...
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