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There's not an answer that applies to every aluminum rim because they vary a lot in the ductility of the material. The high quality lightweight modern rims are very hard and strong but don't have much tolerance for getting bent around without creasing or cracking. Other aluminum rims toward the more play-doh end of the spectrum (generally less sophisticated ...


I have saved and ruined rims by attempting repairs. The main risk is that Aluminium work hardens quickly, so one bent cannot generally be bent back to original shape without weakening and distorting the metal. I have torn a rim by bending it back, and I have snapped a slice clean out of a cast aluminium rim. I've also recovered a rim and had another 6-12 ...


For clarity, I interpret the marking on the rim (622 * 19c) as meaning that the rim's internal width is 19mm. I am not sure that this is a standard marking, but the second number is likely to refer to the inner width. It could be verified if you have a pair of calipers, or even a measuring tape. If you really wanted to do this, just measure the distance ...


There are many different rim/tyre size compatibility charts throughout the web. Most of them say you can go as low as 28 mm tyre with 19 mm inner width rim. Here's one for reference Credits:

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