Rubber scooter tire inner tube straight valve Tread pattern design, anti slip Good high temperature resistance and wear resistance It's not easy to pierce Easy to install, no manual included. Accessories: for honda crf50 xr50z for Yamaha pw50 For other scooters with tire sizes of 2.50-10 standard: Note: Installation guide not included, we strongly recommend you seek professional installation. Please check as much as possible to make sure the item is what you need. The Compatibility Is Just For Please Compare The Part Number With Your One Before Purchasing Please verify three aspects of information when purchasing Material: Rubber colour: As shown Package Contents: 1 x inner tube 1 x outer tube Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.