RE: how long do belts last on 1/8 on road kyosho evolva m3
Probably about 20 full hard tanks before they start to stretch. This would be on a track with constant braking and accelerating, speed runs aren't really hard on belts. Its usually the long belt the needs replacement before the shorts. They pretty much only need replacement when they break or skip from being stretched. two of each size should last you a long time.