Eliminate vibration and noise with a rim drive system that does not touch the tire at all but contacts the rim side wall with two rubber rollers.Net Weight: 7.8kg (17.2lbs)Included: Instructions manual, Special quick release skewer, Warranty policy cardRim drive system is 100% free from the tire wearing problemFor use on both MTB and road bikesWarm-up just before a race without changing tiresCompatible with 24" to 29" tires and disc brake specialized rimsRubber roller has a special shape to allow to use on most rims; RDA requires at least 8mm of vertical space on the rim side wallMax Load Capacity: 120 kgs / 264.5 lbs (including bike weight)Dimensions: 650 x 510 x 410 mmFits Wheel Hub Width: 120 - 145 mmItem SpecificationsResistanceMagnetic