V Belt Kvlr Reinforced 669 18 30 GY6 50cc Engines Scooter Moped ATV

MMG DRIVE BELTS, reinforced, same material that bullet proof vests are made of.
Kvlr reinforced belts will last longer than a standard belt, they don’t slip easily.
Oil and heat resistant | This belt is your best choice for an upgrade.
Size 669x18x30 for 49cc and 50cc Scooters Mopeds ATVs and others Product Description

669-18-30 Kevlar-reinforced drive-belt for 49/50cc 4-stroke scooters commonly found with the QMB139 engine.
Belt Size: 669 mm Length x 18 mm Width x 30 mm teeth spacing
This belt is Kevlar reinforced, Kevlar’s superior performance characteristics reduce belt stretching and distortion that can adversely affect the quality of your engraving while providing long belt life.