Application It Is Especially Suitable for Electric Motorcycles with Safety Rims. Specification Material: Steel Color: Silver Type: a Type Surface Treatment: Galvanized Package Size: 25*12*15cm/9.84*4.72*5.91in Product Size: 13*6.5*15cm/5.11*2.55*5.9in Gross Weight: 3kg/6.61lbs Package Included 4*Tire Changer Adapters.