Scooter Replacement Wheels Solid Never Flat Tires For M365 Product details 8.5 inches outer diameter, 5.5 inches inner diameter, 2 inches width. Customized for Scooter M365, GOTRAX GXL, and Similar E-Scooter Models. Multiple colors to choose from. MATERIAL: The tires are made of solid rubber, which is lightweight and, no, no puncture. TECHNOLOGICALLY SAVVY DESIGN: The special hollowing design helps the scooter to have excellent shock absorption and buffering pressure performance. ANTI-SKIDDING: The anti-skidding pattern makes it can be used in snowy and rainy days safely. CONVENIENT TO USE: Solid tire no need for chambers, no need to inflate, no need for patches, no need inner rubber tire. Made of solid rubber, wear and explosion-proof. The special hollowing design helps the scooter to have excellent shock absorption and buffering pressure performance. The texture on the tire help scooters have good grip and anti-skid ability. Please do not try to install the tire alone. You'd better follow the installation instructions or videos on to complete the installation, which saves and ensures good performance of tires. installation is highly recommended. Maximum load: 200 kg, Hub slot: 35 mm. No need to inflate, but remember to wear a hard hat before riding, because your is in the first place. Product parameter Tire outer diameter: 209MM Tire chuck diameter: 156MM Tire width: 50MM Fit hub diameter: 165-172MM Fit hub card slot: 34-37MM Product include 2 X tire