This type of wheel is used for electric scooters and has no teeth.Easy to use, stable performance, simple operation, provide good usage experience.Take it home quickly, I believe this product can help you!Feature:【GOOD PERFORMANCE】Toothless free wheel is made of fine workmanship, providing smooth and comfortable using experience, much helpful and practical, it is special designed for electric scooter, wonderful accessory.【MAXIMUM DURABILITY】Our metal flywheel is made of high quality aluminum alloy material, which is corrosion resistant, strong and durable, intensity and durable with long service life, provide good usage experience.【HIGH STRENGTH】The four hole toothless free wheel has high strength and durability, not easy to be damaged, so it can be used with confidence. Let you feel a good user experience.【SCOPE OF APPLICATION】This type of wheel is used for electric scooters and has no teeth, professional manufacturing, high quality and reliability, which can directly replace your old or broken one,meet your different needs!Specification:Condition: 100% Brand NewItem Type: Electric Scooter Free WheelMaterial: metalColor: As picture shownWeight: Approx. 155g Number of holes: 4 holesInner diameter: Approx. 34mm 1.3inOuter diameter: Approx. 78mm 3.1inThickness: Approx. 15mm 0.6inHole diameter: Approx. 6mm 0.2inHole distance: Approx. 46mm 1.8in (center distance between two adjacent holes)Diagonal: Approx. 65mm 2.6in (center distance between two holes diagonally)Thread: mefric positive threadApplicable sprocket: Electric scooter deceleration sprocket 54 (T8F), 55, 65, 80 (25H), etc.Applicable models: electric scooter, bicyclePackage List:1 x Free Wheel