Sprositive_DriveMATTRACKS:  75 different rubber track conversion systems for a 4x4 ATVs, UTVs, SUVs, trucks, tractors and specialty vehicles. Mattracks LiteFoot is intended for year round use in mud, sand, snow, swamp, rough terrain or down the road. The Sprositive Drive System has been specially designed to compensate for the miss match ratios on ATVs and UTVs using overrunning front differentials. By eliminating the slack in the front sprockets pitch and changing the pitch ration in the rain, the Sprositive Drive is designed to allow your vehicle to stay locked in 4WD and helps tracks pulling at the same speed.