Feature: 1. Applicable Models: This hub motor is compatible for replacement and modification for Ninebot MAX G30 electric scooters. Directly replace the original damaged parts to improve performance. 2. With Higher Rpm: Can easily run 55KM/H without pressure by changing custom firmware program, can combined with 2 way hydraulic brake system to enjoy experience. 3. Anti Skid Pattern: Strong grip, honeycomb shock absorption, bring a comfortable riding experience, anti wear and anti skid, suitable for various road surfaces. 4. High Torsion: With high torsion and the hub motor can fast start. Excellent sliding, long driving range and low power consumption, very practical electric scooter modification parts. 5. Waterproof: You can use the hub motor in rainy days without worrying about water damage to the motor. And the hub motor has 350W rated power output. Specification: Item Type: Electric Scooter Hub Motor Material: Rubber, Aluminum Alloy Gross Weight: 4404g / 155.3oz Product Size: 250x165x58mm / 9.8x6.5x2.3in Rated Power: 350W Applicable: For Ninebot MAX G30 electric scooters Package List: 1 x Electric Scooter Hub Motor Note: Shipped Without Gas