Staying true to the origin of reacha, it was important to us during development that old tires can be used in the wheel mounts. This makes it possible to upcycle old ones Front-Wheels with a hub width of 100mm, designed with a minimum diameter of 20" and a maximum diameter of 28". The width of the tires must not exceed 4.0" and is limited to 26" in "Fat tires". Unfortunately, it is not possible to use rear wheels.