ECSiNG 12Pcs M8 M10 Bike Wheel Hub Hook Washer Gasket Metal Bicycle Hub Retaining Clip Safety Washer Bicycle Safety Security Front Wheel Hub Washer Safety Washers

Good Material : The bicycle safety washers are made of metal, hard and strong, not easy to deform, not easy to damage, corrosion resistant, can provide you with longer use. Good Material : The bicycle safety washers are made of metal, hard and strong, not easy to deform, not easy to damage, corrosion resistant, can provide you with longer use. Features : The safety washer prevents the wheel from falling off if the wheel nut loosens. It is fit for most bicycles with axles and is an important item for the safety of children Front axle spacer size : Inner diameter : 8mm; hook width : 4.69mm; thickness : 1.5mm. Rear axle spacer size : Inner diameter : 10mm; hook width : 4.69mm; thickness : 1.5mm. Package Includes : 12Pcs M8 front axle spacer and M10 rear axle spacer.