Bicycle rim rings in various inch sizes

Bicycle rims are the outer profile of the wheel. They not only take up the individual parts of the tires, but also give the wheel its round shape. The spokes are also attached to them. They connect the rim to the hub. Last but not least, they are also part of the brake system in the case of rim brakes.

Depending on the application, there are different types of rims. The double-walled rim or box rim is primarily used for bicycles. The latter have a simple U-profile, while the name already reveals their appearance on hollow rims. These are often manufactured as aluminum rims, which has a positive effect on their weight