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Friction shifting in bicycle gears involves manually moving the gear lever to adjust the position of the chain on the sprockets, while index shifting uses a mechanism that clicks into preset positions for more precise and consistent gear changes. Friction shifting requires more skill and finesse to find the right gear, while index shifting offers quicker and more reliable gear changes.

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4mo ago

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Related Questions

How does the Shimano Revoshift friction work in adjusting the gear shifting on a bicycle?

The Shimano Revoshift friction system allows for precise adjustment of gear shifting on a bicycle by controlling the tension of the cable that moves the derailleur. By turning the friction dial, the rider can fine-tune the shifting to ensure smooth and accurate gear changes.


What is the functionality of the revoshift friction system in bicycle gear shifting?

The revoshift friction system in bicycle gear shifting allows riders to manually adjust the tension of the gear shifting mechanism, providing more control over the shifting process. This system enables riders to fine-tune their gear changes to suit their preferences and riding conditions.


Is a bicycle rolling down a hill friction?

Yes, as the bicycle rolls down the hill, there is still some friction present between the wheels and the surface of the hill. This friction helps to slow down the bicycle's descent and eventually bring it to a stop.


What is role of ball bearing in bicycle?

To reduce friction between surfaces.


What is the function of a derailleur jockey wheel in a bicycle's gear shifting system?

The derailleur jockey wheel in a bicycle's gear shifting system guides the chain to move smoothly between different gears by maintaining tension and alignment.


How brakes stop a bicycle?

By creating friction between a moving part and a stationary part.


Name two way that friction is harmful and two ways that friction is helpful when you are riding a bicycle?

Harmful: Friction can cause wear and tear on the bicycle's components, leading to maintenance issues. It can also make it harder to pedal efficiently, resulting in fatigue. Helpful: Friction between the tires and the road surface provides traction for stable riding. Friction between the brake pads and wheel rims helps to slow down or stop the bicycle effectively.


What is the purpose of the rear derailleur pulley in a bicycle's gear shifting system?

The rear derailleur pulley in a bicycle's gear shifting system guides the chain to move smoothly between different gears, allowing the rider to change the resistance and speed of pedaling.


What force causes a bicycle to slow down when the brake is used?

Friction between the brake pads and the wheel rim or disc generates the force that slows down a bicycle when the brakes are applied. This friction converts the kinetic energy of the moving bicycle into heat, causing it to decelerate.


How does automatic bicycle shifting work and what are the benefits of using automatic bicycle shifting technology?

Automatic bicycle shifting technology uses sensors to detect the rider's speed, cadence, and terrain, and automatically adjusts the gears accordingly. This eliminates the need for manual gear shifting, making the riding experience smoother and more efficient. The benefits of using automatic bicycle shifting technology include improved performance, reduced maintenance, and a more enjoyable riding experience.


How can the accuracy of a bicycle's gear shifting be improved by measuring chain line?

Measuring the chain line of a bicycle can help improve the accuracy of its gear shifting by ensuring that the chain runs straight and smoothly between the gears. This alignment can prevent issues such as chain skipping or slipping, resulting in a more efficient and reliable gear shifting experience.


Why does the temperature inside bicycle tires increase?

Basic physics ! Friction between the tyre and the road creates friction. This heats the trapped air within the tyre.