Mountain Bike Anatomy

By: Donny Morse

A mountain bike is the one thing you need before you
go mountain biking. A mountain bike contains many
parts, which will be covered below:

1. Bottom bracket - This attaches the crankset to
the body of a bike.

2. Brake cable - This is the cable that connects the
brake lever to the brake mechanism.

3. Brake lever - The lever on the handlebar to
activate the brakes. The left side is the front brake
and the right side is the rear brake.

4. Chain - The circular set of links that transfer
power from the chain ring to the cogs.

5. Chain ring - The toothed rings that attach to
the crank to hold the chain.

6. Crank - The lever that extends from the bottom
bracket to the pedal, transferring the power to the
chain rings.

7. Derailleur - The mechanism for moving the chain
from one cog to another.

8. Down tube - The section of frame that extends
downward from the stem to the bottom bracket.

9. Front shock - The shock absorber on the front
fork.

10. Handlebar - The horizontal bar attached to the
stem with handgrips on the end.

11. Headset - The mechanism in front of the frame
that connects the front fork to the stem and
handlebars.

12. Hub - The center part of the wheel that the
spokes are attached to.

13. Idler pulley - The bottom pulley of the rear
derailleur that provides spring tension to keep
the chain tight.

14. Nipple - A threaded receptacle that holds
the end of the spoke to the rim.

15. Pedal - The platform to pedal on; attaches to
the crank.

16. Rear shock - The shock absorber for the rear
tire on dual suspension type bikes.

17. Rim - The metal ring that holds the spokes
on the inside and the tire to the outside.

18. Saddle - The seat.

19. Seat post - Offers support for the seat.

20. Skewer - The metal rod that goes through the
hub, attaching the wheel to the dropouts of the
frame.

21. Spindle - The free rotating axle that the
crank arms attach to; also a part of the bottom
bracket.

22. Spokes - The thick wires that join the hub to
the rim.

23. Stem - A piece that attaches the handlebar
to the steering tube.

24. Wheel hub - The center of the wheel that the
spokes are attached to.


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