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Bicycles don't have crankshafts. they have pedals that are attached to crankarms, that are attached to a bottom bracket= the axle that the crank arms rotate around. Bottom brackets can cost just about anything. Low-ends ones on sale for $10, high end ones for $200. The ones I've used have been around $50, and seem to do just fine.
What else can I help you with?
How much is it going to cost to fix my mountain bike?
500$
How can I fix a loose bike pedal crank?
To fix a loose bike pedal crank, you can tighten the crank bolt using a crank puller tool and a wrench. Make sure to secure the crank arm properly to prevent it from coming loose again while riding.
Why is my bike crank creaking and how can I fix it?
Your bike crank may be creaking due to loose bolts, worn bearings, or a lack of lubrication. To fix it, try tightening the crank bolts, greasing the bearings, or replacing worn parts. If the issue persists, consider taking your bike to a professional for further inspection and repair.
How can I fix a stripped bike pedal?
To fix a stripped bike pedal, you can try using a pedal tap to re-thread the crank arm. If that doesn't work, you may need to replace the crank arm or the pedal.
Why does my bike crank make a squeaky noise and how can I fix it?
A squeaky noise from your bike crank may be due to lack of lubrication or loose components. To fix it, try applying lubricant to the crank and tightening any loose bolts or screws. If the noise persists, consider taking your bike to a professional for further inspection and repair.
What should I do if I have a loose crank on my bike?
If you have a loose crank on your bike, you should stop riding it immediately to prevent further damage. Tighten the crank using a crank puller tool or seek help from a professional bike mechanic to properly fix the issue. Riding with a loose crank can cause more damage to your bike and potentially lead to accidents.
How can I fix a loose bike crank on my bicycle?
To fix a loose bike crank on your bicycle, you will need to tighten the crank bolt using a crank puller tool. First, remove the crank arm using the crank puller tool. Then, clean the crank spindle and crank arm threads. Apply grease to the spindle and reinstall the crank arm, making sure it is properly aligned. Finally, tighten the crank bolt to the recommended torque using a torque wrench.
How can I fix a bike pedal crank?
To fix a bike pedal crank, you can start by removing the pedal and inspecting the crank arm for any damage. If the crank arm is damaged, you may need to replace it. If it's just loose, you can tighten the crank arm using a crank puller tool. Make sure to use the correct tools and follow the manufacturer's instructions for proper installation.
Why is my bike chain jammed in the crank and how can I fix it?
Your bike chain may be jammed in the crank due to dirt, rust, or misalignment. To fix it, try cleaning and lubricating the chain, adjusting the derailleur, or realigning the chain on the sprockets. If the issue persists, seek help from a professional bike mechanic.
What could be causing the creaking noise coming from my bike crank, and how can I fix it?
The creaking noise from your bike crank could be caused by loose bolts, worn bearings, or a lack of lubrication. To fix it, try tightening the bolts, replacing the bearings, and applying lubricant to the crank. If the issue persists, consider taking your bike to a professional for further inspection and repair.
What are the common causes of bike crank wobble and how can it be fixed?
Common causes of bike crank wobble include loose crank bolts, worn out bottom bracket bearings, or a bent crank arm. To fix it, tighten the crank bolts, replace the bottom bracket bearings, or straighten or replace the crank arm.
How much does it cost to fix a bike?
The cost to fix a bike can vary depending on the type of repair needed. Simple repairs like fixing a flat tire may cost around 10-20, while more complex repairs like replacing a chain or gears can cost 50-100 or more. It's best to get a quote from a bike shop for an accurate estimate.
