Minoura RDA 80R Rim Drive Trainer Minoura RDA 80R Rim Drive Trainer

Rim drive system is Minoura's world patent. The only one solution for MTB's knobby tire. The resistance unit is driven by the rubber roller touching the rim side wall via a Vbelt.The rollers are pushed strongly toward the rim by internal springs to avoid slippage, so anywidth of rim can be used. Never touch the tire, so any type of tire can be used without replacing Good for knobby tire or roughly tread patterned tire Also good for road racers for warmingup coolingdown witho