Parts of a Tricycle

A child's tricycle from the side and from behind: name each part from handlebars to rear axle.

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Each numbered ring is a button. Use the arrow keys to move between them and Enter to choose. Names are read out in Study, and once a part is answered.

All 10 parts on the diagram

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The tricycle 10

  1. Handlebars The bar that turns the fork and the front wheel.
  2. Seat The saddle, bolted to the frame. Many slide forward or back.
  3. Pedals They turn the front wheel directly. There is no chain.
  4. Front wheel The big wheel that the pedals drive and the handlebars steer.
  5. Rear wheels Two small wheels, one each side, that keep the tricycle upright.
  6. Frame The backbone that joins the head tube to the rear axle.
  7. Fork Two blades that hold the front wheel and turn with the handlebars.
  8. Grips Soft sleeves on the handlebar ends for the rider's hands.
  9. Fender A guard over the front wheel. It is also called a mudguard.
  10. Rear axle The rod the two rear wheels turn on.

How this list was compiled: Every name checked on 2026-10-01 and kept only where two of these use it. (1) Wikipedia, Tricycle, https://en.wikipedia.org/wiki/Tricycle : frame, wheels, saddle, handlebar and pedals; children's tricycles whose pedals drive the front wheel directly. (2) Four makers' owner's manuals and parts lists for children's tricycles, read as page text: https://archive.org/details/manualzilla-id-6982407 (frame, rear wheels, fender, saddle, front fork, front wheel, handlebar, grips, rear axle, pedals), https://archive.org/details/manualsbase-id-640720 (frame, front wheel, rear wheel, rear axle, seat, handlebar, fork, fender, pedal), https://archive.org/details/manualsbase-id-643015 (frame, handlebars, grip, seat, front wheel, rear wheel, rear axle, pedals) and https://archive.org/details/manualsbase-id-655917 (handle bar, hand grips, seat). Licence: own work

The drawing: Own drawing from plain geometry; nothing traced. Licence: own work

How it works

A tricycle has three wheels: one in front to steer and pedal, two behind to hold it up. Two drawings show a child's tricycle from the side and from behind, with ten parts to name.

Read the full guide

How a tricycle is driven

On most children's tricycles the pedals are fixed to the hub of the front wheel. One turn of the pedals is one turn of the wheel, with no chain and no gears. A child slows down by pushing back on the pedals.

What steers and what follows

The handlebars turn the fork, and the fork holds the front wheel. Behind the rider the frame runs down to the rear axle, where the two rear wheels follow along.

  • A seat is also called a saddle, and a fender is also called a mudguard. The quiz accepts both.

Questions and answers

What are the parts of a tricycle called?

The handlebars with their grips, the fork and the front wheel it holds, the pedals on that wheel's hub, a fender over the wheel, the frame, the seat, and two rear wheels on a rear axle.

Why does a child's tricycle have no chain?

The pedals are joined straight to the front wheel, so the wheel turns as the feet turn. Some larger tricycles do use a chain to drive the rear wheels.

How is a tricycle different from a bike?

It has two rear wheels on one axle, so it stands up on its own. A child's tricycle also has no chain, no gears and usually no hand brakes.

What holds the front wheel of a tricycle?

The fork. Its two blades run down each side of the wheel to the hub, and it turns with the handlebars.