A soul grind where the front skate is rolling on its back wheel.
Training wheels (also known as stabilisers in the UK) are an additional wheel or wheels mounted parallel to the rear wheel of a bicycle that assist learners until they have developed a usable sense of balance on the bicycle.
(training wheels) Devices for children's bikes that keep the bicycle upright so Junior can learn to ride safely.
bicycle: ride a bicycle
motorcycle: a motor vehicle with two wheels and a strong frame
bicycle: a wheeled vehicle that has two wheels and is moved by foot pedals
A bicycle or motorcycle
Training wheels
A little bike still with it's training wheels on hanging out along the boardwalk.