447-3m-12 DRIVE BELT Electric Scooter Drive Belt for Razor E100 Product Description Electric Scooter Drive Belt for Razor E100 Condition: Brand New Belt # 447-3m-12 also used on Razor E125, Razor 150, Lazor E100 BladeZ Ion Drive Timing Belts are identified by three parameters and marked as follows: 447-3m-12 The first number is the belt length (447mm / 18″), belt has 149 teeth. The second is the pitch (3mm / 0.118″), the peak to peak tooth spacing The third is the belt width (12mm / 0.472″)