If you need are looking for high quality and strong mini bike torque converter belts that are sourced from leading brands and good as OEM replacement parts, check the stocks at OMB Warehouse. To get the most out of mini bike torque converter belts, it is important to have the correct gear ratio for the tire size for the proper operation of your clutch or torque converter. Animproper gear ratio will make the clutch or belt slip and cause damage to the unit very quickly. To determine the gear ratio necessary for your go kart or mini bike you must know the limit of your top speed. One of our premium and in-demand items is the Pack of 3 Pcs mini bike drive belt Torque Converter Clutch Belts. These mini bike torque converter beltsare a perfect fit for the asymmetrical Drive Belt 725 30 Series. Driver and driven pulley need to be between 6 5/8 inch and 6 11/16 inches. The package includes 3 x 725 belts for mini bikes. We also stock complete kits with torque converter, chain drive pulley and mini bike torque converter belts with specifications, Length: 70.5cm / 27.76", Outside circumference: 27 23/64", Width is 3/4".Center to Center of the driver and driven: 6-15/16 to 7".