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18 Coins
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PROX Bicycle Tube
This specific valve has the smallest diameter of all bicycle valves, making it suitable for road, trekking, and mountain bike rims where maximum wheel strength is required.
The ETRTO dimensions (European Tyre and Rim Technical Organisation) are the best way to confirm that the tube you are buying matches the size of your existing tube. These numbers are printed on the tire in a format similar to postal codes, for example, 32-622. This indicates the tire is 32mm wide and fits a 622mm rim. Therefore, the tube you need should have a diameter of 622mm and the appropriate width for your tire.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.