Product Description
Product Description
| BICYCLE SADDLE | |
| Matrial | Leather |
| MOQ | 200 PCS |
| Packing | Carton or according to customers |
| OEM | Accept |
Packaging & Shipping
Company Profile
HangZhou FEITIAN BICYCLE CO.,LTD located in feng jia zhai town industrial zone guang zong county.We are professional manufacture specialied in producing chain wheel&crank, saddle, inner tube, tyre, pedal, front axle, rear axle, MTB bicycle, BMX bicycle, lady bike, child toys, etc.With professional workshops and production line, 10 years export experience, and our productions get a well sale to the bicycle factory and accessories manufactures production all over the country, which based on good quality, cheap price, and perfect after-sales service. So our export sales have been growing year by year. Our productions are spreading over 40 countries and regions including Southeast Asia, East Europe, Africa, and South America.
Our company will serve you wholeheartedly and look CZPT to establishing cooperation and common development with you!
Trade Show
FAQ
1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes or brown cartons. If you need to customize, we can customize it for you
2.What’s your payment terms?
A:T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages
before you pay the balance.
3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF.
4. How about your delivery time?
A: Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.
5.Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
7.When can i get the price?
We usually quote within 24 hours after getting your detailed requirements, like size, quantity etc. If it is an urgent order, you can call us directly.
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| Condition: | New |
|---|---|
| Certification: | CE, BSCI, EEC, ISO9001 |
| Customized: | Customized |
| Application: | Kids Bike, Road Bike, Mountain Bike, Ordinary Bicycle |
| Name: | Saddle |
| Transport Package: | Carton |
| Customization: |
Available
| Customized Request |
|---|
Can bike sprockets affect the overall speed and efficiency of a bicycle?
Yes, bike sprockets play a significant role in determining the overall speed and efficiency of a bicycle. The sprockets are part of the drivetrain, which includes the chain, front chainrings, and rear sprockets (also known as cogs). The size and number of teeth on the sprockets can impact the bike’s speed, pedaling cadence, and overall performance. Here’s how bike sprockets affect the bike’s speed and efficiency:
- Speed and Gear Ratios: The number of teeth on the front chainrings and rear sprockets determines the gear ratios available on the bike. Larger chainrings or sprockets generally provide higher gear ratios, suitable for higher speeds and flat terrain. Smaller chainrings or sprockets offer lower gear ratios, ideal for climbing hills and maintaining control at lower speeds.
- Efficient Pedaling: Choosing the right combination of chainring and sprocket (gear) ensures efficient pedaling. When the gear ratio matches the terrain and rider’s abilities, they can maintain an optimal pedaling cadence. Pedaling too fast or too slowly can lead to inefficiency and fatigue.
- Cadence: Cadence refers to the speed at which a cyclist pedals. Finding the right cadence is crucial for energy efficiency and endurance. With the appropriate gear ratio, cyclists can maintain their preferred cadence, whether they want to spin at a high cadence for endurance or push harder at a lower cadence for more power.
- Effect on Terrain: Different terrains require different gear ratios. Steep climbs demand lower gears to provide enough power without putting excessive strain on the rider’s legs. On flat or downhill stretches, higher gears enable the rider to attain higher speeds with less pedaling effort.
- Aerodynamics: Speed and efficiency can also be affected by the rider’s position and aerodynamics. Higher gears that allow for faster speeds can expose the rider to more wind resistance, making it harder to maintain speed compared to using lower gears.
- Mechanical Efficiency: The condition of the chain and sprockets also influences mechanical efficiency. A well-maintained drivetrain with clean and properly lubricated sprockets and chain reduces friction and improves power transfer, enhancing overall efficiency.
Choosing the appropriate sprocket sizes and gear ratios for your riding style and the terrain you frequent can significantly impact the bike’s speed and efficiency. Regular maintenance, including keeping the sprockets clean and in good condition, is crucial for maintaining optimal performance.
What are the best practices for adjusting bike sprockets and ensuring smooth shifting?
Properly adjusting bike sprockets and ensuring smooth shifting are essential for a comfortable and efficient cycling experience. Here are the best practices to follow:
1. Check Chain Condition:
Before adjusting the sprockets, inspect the chain for wear and damage. A worn-out chain can cause poor shifting performance and premature wear on the sprockets. Replace the chain if it shows significant elongation or signs of damage.
2. Set Limit Screws:
Start by setting the limit screws on the front and rear derailleurs. The limit screws control the range of movement of the derailleur, preventing the chain from falling off the sprockets. Follow the manufacturer’s instructions to adjust the limit screws properly.
3. Index the Gears:
Indexing ensures precise shifting between gears. Use the barrel adjusters on the shifters or derailleurs to fine-tune the indexing. Shift the gears while turning the pedals to check for smooth and accurate shifting. Make adjustments as needed until all gears shift cleanly and without hesitation.
4. Check Cable Tension:
Ensure the cables are properly tensioned. Loose cables can lead to slow or incomplete shifting. Use the barrel adjusters to adjust the tension until the shifting is crisp and responsive.
5. Check Chainline:
Ensure the chain runs straight from the front chainring to the rear sprockets. Misalignment can cause chain rub and poor shifting. Adjust the front derailleur position and spacers as necessary to achieve a straight chainline.
6. Lubrication:
Keep the sprockets and chain well-lubricated to reduce friction and wear. Use a bicycle-specific chain lubricant and apply it regularly, especially after riding in wet or muddy conditions.
7. Maintain Components:
Keep all drivetrain components, including the chain, derailleurs, and shifters, clean and free from dirt and debris. Regularly inspect these components for signs of wear and damage.
8. Professional Tune-Up:
If you are unsure about adjusting the sprockets and drivetrain yourself, consider taking your bike to a professional bike mechanic for a tune-up. They can perform a thorough inspection, make necessary adjustments, and ensure your bike’s shifting is optimized.
By following these best practices, you can achieve smooth and reliable shifting, extending the lifespan of your sprockets and drivetrain components while enhancing your overall cycling experience.
How do bike sprockets work in conjunction with the chain and other components?
A bike sprocket works in conjunction with the chain and other components of the bicycle’s drivetrain to transfer power from the rider’s pedaling motion to the rear wheel, propelling the bike forward. The drivetrain is a complex system that involves the chain, front and rear sprockets (chainrings and cassette), derailleurs, and shifters. Here’s how these components work together:
1. Pedaling Motion:
When the cyclist pedals, the force applied to the pedals causes the front sprocket (chainring) to rotate. The number of teeth on the chainring determines the gear ratio and the mechanical advantage of the drivetrain. A larger chainring provides more power for higher speeds, while a smaller chainring is used for easier pedaling and climbing hills.
2. Chain Engagement:
As the front chainring rotates, the bicycle chain engages with the teeth on the chainring. The chain is designed to fit perfectly into the spaces between the teeth and mesh securely, ensuring efficient power transfer.
3. Chain Movement:
As the chain engages with the front chainring, it moves around the bike’s sprockets. When the rider switches gears using the shifters, the rear derailleur moves the chain across the rear cassette, selecting different-sized rear sprockets (cogs). The combination of the selected front and rear sprockets determines the gear ratio.
4. Rear Wheel Power:
As the chain engages with the rear cassette’s sprockets, the rotational force is transferred from the chain to the rear wheel. The selected gear ratio affects the bike’s speed and the effort required for pedaling. Higher gear ratios offer higher speeds but require more pedaling effort, while lower gear ratios provide easier pedaling but lower speeds.
5. Shifting Gears:
To shift gears, the rider uses the shifters to move the chain from one sprocket to another. The front derailleur shifts the chain between the front chainrings, while the rear derailleur moves the chain across the rear cassette. Proper gear shifting is crucial for maintaining an efficient cadence and optimizing power transfer.
6. Chain Tension:
The rear derailleur plays a vital role in maintaining proper chain tension. It moves the chain to accommodate the different-sized sprockets and takes up slack when shifting to prevent chain slippage or derailment.
The bike sprockets, chain, derailleurs, and shifters work together harmoniously to provide a wide range of gearing options, making pedaling more efficient and comfortable in various riding conditions. Regular maintenance, including chain lubrication and sprocket inspection, is essential to keep the drivetrain operating smoothly and to extend the life of these components.
editor by Dream 2024-05-07