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Depends on what's wrong with them. Too little info and too many options to answer here. Check out the posted links for repair tips and general bike maintenance info.

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12y ago

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Related Questions

How can I fix bicycle gears that are not shifting properly?

To fix bicycle gears that are not shifting properly, you can try adjusting the tension of the gear cable, checking for any debris or dirt in the gears, and ensuring that the derailleur is properly aligned. If these steps do not work, it may be best to take your bike to a professional for further inspection and repair.


How can I fix bicycle gears?

To fix bicycle gears, start by checking for any loose or damaged cables, adjusting the tension if needed. Next, ensure the derailleur is properly aligned and lubricated. If the gears are still not shifting smoothly, consider replacing the cassette or chain. It may also be helpful to consult a professional bike mechanic for further assistance.


How can I fix a derailleur on a bicycle?

To fix a derailleur on a bicycle, first, make sure the bike is secure. Then, adjust the limit screws and cable tension to align the derailleur with the gears. Check for any bent parts and replace if necessary. Test the gears to ensure smooth shifting. If unsure, seek help from a professional bike mechanic.


What are the different types of electric bicycle gears available on the market?

There are three main types of electric bicycle gears available on the market: hub gears, derailleur gears, and continuously variable transmission (CVT) gears. Hub gears are enclosed within the rear hub of the wheel, derailleur gears use a system of sprockets and a chain to change gears, and CVT gears offer a smooth and seamless transition between gear ratios.


Why is my bicycle skipping gears and how can I fix it?

Your bicycle may be skipping gears due to issues with the gear shifters, derailleur, or chain. To fix it, you can try adjusting the tension of the derailleur cable, ensuring the derailleur is properly aligned, and cleaning and lubricating the chain. If the problem persists, it may be best to take your bike to a professional for further inspection and repair.


Is it possible to install a motor on a bicycle equipped with gears?

Yes, it is possible to install a motor on a bicycle equipped with gears.


How many gears in Hercules rodeo?

That bicycle has 18 gears.


What are the different types of bicycle shifter types available in the market?

There are three main types of bicycle shifter types available in the market: grip shifters, trigger shifters, and twist shifters. Grip shifters are twisted to change gears, trigger shifters are pushed or pulled to shift gears, and twist shifters are rotated to change gears. Each type offers a different feel and method of shifting gears on a bicycle.


What are the different types of bicycle gears and how do they function?

There are two main types of bicycle gears: external gears and internal gears. External gears are located on the outside of the bike's wheel and are controlled by shifting levers. Internal gears are located inside the hub of the wheel and are controlled by a twist grip or a button. Gears work by changing the ratio of the rotations between the pedals and the wheel, allowing the rider to adjust the effort needed to pedal and the speed of the bike.


Why are my bicycle gears slipping and how can I fix this issue?

Your bicycle gears may be slipping due to worn out or misaligned components, such as the chain, cassette, or derailleur. To fix this issue, you can try adjusting the tension of the derailleur cable, cleaning and lubricating the chain, or replacing any worn out parts. If the problem persists, it may be best to take your bike to a professional mechanic for further inspection and repair.


Can you explain how bicycle gears work and how they affect the performance of a bicycle?

Bicycle gears work by changing the ratio of rotations between the pedals and the wheels. Lower gears make it easier to pedal uphill, while higher gears allow for faster speeds on flat terrain. Gears affect a bicycle's performance by providing the rider with the ability to adjust their effort and speed based on the terrain and conditions.


How many gears are in an 80cc dirt bike?

an average bicycle has up to 24 gears but a bicycle has up to 30 gears