1.Inner diameter: 90mm, outer diameter: 140mm.
2.Replacement For Electric Scooter Folding Bike.
3.Made of high quality,stable and sturdy,not easy to aging and abrasion resistant.
4.polished and non-slip,to ensure maximum strength and durability for long lasting usage.
5.Reminder/Note:To make sure you buy the right product, please read the product description carefully or the image size. Thank you for your attention.