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.
How do you remove a sprocket?
Wrap the chain whip tool around the largest sprocket and secure it. The chain whip tool holds the cassette in place so that you can loosen the lockring. Place the sprocket removal tool around the lockring. Use a crescent wrench to turn the lockring counter-clockwise, so that you can loosen and remove it.
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.
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 much does it cost to replace a bike cassette?
The cost to replace a cassette or freewheel can range anywhere from $25 to upwards of $300 on high end bikes and chainrings can run anywhere from around $40 to $250 on high end bikes.