They match any type of steering wheel size coming from 12" to 20", as well as have a lateral anti-twist retainer that is actually failsafe. ** Not suited for bikes with rear derailleurs **.
Excellent quality unbranded training wheels at a great price
Fits any wheel size from 12" to 20", Failsafe lateral anti twist retainer
Wider than normal 25mm tread for greater stability
Complete full set of simple installation instructions
**Not suitable for bikes with rear derailleurs**