SmartLink CVT drive Belt 821 20 30

821 (First number in the series) = The length of the belt in millimeters.20 (Second number in the series) = The width of the belt in millimeters.30 (Third number in the series) = The angle of the teeth on the belt.
821-20-30 scooter CVT belt typically used on 4-stroke GY6 engine scooters. Also fits many ATVs, go-karts and dirt bikes.
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