Practical motorcycle accessories, can directly replace the previous worn one. Practical motorcycle accessories, can directly replace the previous worn one. 669mm outer circumference and 30 degree tooth angle, perfectly match the motorcycle of corresponding size. Reinforced drive belt, specially fit for GY660 motor scooters motorcycles with 6691830 size. Made of high quality hard rubber material, high tensile strength and durability, provides stable transmission. Can stand up to a lot of wear and tear, more durable, has longer service life. Product Description Feature: 1. Reinforced drive belt, specially fit for GY660 motor scooters motorcycles with 6691830 size. 2. Made of high quality hard rubber material, high tensile strength and durability, provides stable transmission. 3. Can stand up to a lot of wear and tear, more durable, has longer service life. 4. 669mm outer circumference and 30 degree tooth angle, perfectly match the motorcycl