1. Anti-slip rubber to relieve fatigue 2. Strong and durable material 3. Easy to install, stable and durable 4. Material: rubber, aluminum alloy 5. Inner diameter: about 2.1cm 6. Size: about 13.3 x 3.2cm 7. Weight: about 120g 8. Note: the scooter in the picture is for display only, shipment does not include
