How do you replace a bicycle sprocket?
How to change a cassette
- Remove rear wheel and quick release. Shift into the smallest sprocket.
- Remove cassette. Wrap your chain whip around the sprockets, and insert the lockring tool.
- Clean freehub body.
- Attach new cassette.
- Attach lockring.
- Reattach quick release and fit wheel back onto bike.
What is a sprocket on a bicycle?
Sprockets are used in bicycles, motorcycles, tracked vehicles, and other machinery either to transmit rotary motion between two shafts where gears are unsuitable or to impart linear motion to a track, tape etc.
How do I remove a freehub body?
The axle is independent of the freehub.
- Remove set screw from side of drive side locknut.
- Hold non-drive side cone with cone wrench. Loosen and remove drive side locknut.
- Pull freehub to remove. Use care not to loose small parts. Note orientation of pawls as you remove freehub.
How do I take the pedal crank off my bike?
Use a 15mm wrench to loosen the left pedal from the bike. Then, hold the left pedal and rotate the crank arm to completely detach it from the bike. Both pedals should now be completely removed. If you’re standing on the right, or drive side, of the bike, rotate the crank arm clockwise.
What is a bicycle freewheel?
A freehub is a type of bicycle hub that incorporates a ratcheting mechanism. A freewheel mechanism allows a rider to stop pedalling whilst the cycle is still in forward motion. On a cycle without a freewheel mechanism, the rider has to keep pedalling whenever the cycle is moving.
How many teeth does a bicycle sprocket have?
On a typical road bike, the smallest sprocket will typically have 11(11t) or 12 (12t) teeth and the largest 25 (25t) to 32 (32t) teeth.