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**

• BDBikes -Bike Bicycle Stabiliser Training Wheels Children's Kids 16 to 20

BDBikes -Bike Bicycle Stabiliser Training Wheels Children's Kids 16 to 20Black Dog Bikes