Racing Transmission Gear Set 14T 15T 16T 17T 18T GY6 125 150 152QMI 157QMJ ATV Quad Buggy Go Kart Scooter Parts This transmission gear set includes gears with 14, 15, 16, 17, and 18 teeth designed for use in GY6 125cc, 150cc, 152QMI, and 157QMJ engine models.Compatible with a range of off-road vehicles including ATVs, quad bikes, buggies, go karts, and , the set supports performance tuning and gear ratio adjustments.Each gear is engineered to fit standard transmission configurations and allows for customization based on riding conditions and power delivery requirements.The components are built to withstand -torque applications and provide engagement within the drivetrain system. This item is a compatible alternative.Use of brand identifiers is limited to showing which models it fits.