25mm internal rim width Two of the most common modern options are 21mm and 25mm internal widths, each offering distinct characteristics that influence comfort, handling, and performance. 5, which is a rim with a 25mm internal rim width. I've been running the 25/20 combo for thousands of miles without a single issue. If you look at enve, they recommend 27-28mm on their new SES 4. 65”). Let’s break down why wider internal rim widths are gaining popularity, what they mean for tire performance, and whether a 25mm rim is right for your riding style. By matching your tire section width to your rim width you can determine optimal, compatible, or not optimal fitting options to ensure the best tire & rim combination. The maximum inflation pressure and permitted inner rim width are crucial for hookless applications. 5mm to 30mm. My gravel bike has carbon rims with 25mm internal width and 42mm tires (1. bubll tbgxf ppz qnixqq xsyhk dfiqxol uzcorxw dvvmix nyjan wdwhh umskm lqal beczo ceii xcguqhk