Hardline Products Wheels-4-Tots Universal Training Wheel</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Single training wheel unit fits all 50cc entry-level motorcycles</li><li>Adjustable for different types of terrain and rider's skill level</li><li>8-inch pneumatic wheels with tube and 4 ply tires</li><li>5/8-inch sealed ball bearing with grease fitting for long life</li><li>Hardened bolts with lock nuts， solid steel axel with CNC machined components</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/31zriEyVaZL.jpg'></br><img src='http://ecx.images-amazon.com/images/I/61uvDHB%2BNzL.jpg'></br>