Minoura RDA80 Rim Drive Trainer w/remote: Updated rim drive trainer with improved handlebar remote. Great for mountain bike training and road race warmups where you do not want to compromise the tire surface. Quiet magnetic resistance unit with an 850 gram steel flywheel. 7 resistance level remote with hook and loop clamp, fits all bars. Accepts 24" wheel and up (not compatible with some disc brake rims - requires 8mm vertical sidewall). Red steel frame with folding legs for compact storage/transport. 18.0 lbs.