Best ATV Rear Sprockets

Looking for the best ATV rear sprockets to upgrade your ride? Discover durable, high-performance sprockets that enhance speed, power, and chain life with hassle-free installation.

Upgrade your ATV’s performance with the best rear sprockets. These parts boost speed, power, and durability. They fit most Chinese quads and dirt bikes.

Riders love smoother acceleration and longer chain life. Easy installs mean less downtime, more trail time.

Trust tested, high-quality steel for lasting results. Find your perfect match here—your ride deserves it.

List of Top 10 ATV Rear Sprockets

Title	Best For	Price
ATV Rear Sprocket 420 37T for 50cc 110cc 125cc Tao Roketa Coolster Kazuma Sunl Chinese Quads 4 Wheeler 48mm 68mm Bolt Spacing with Mounting Screws	This ATV Rear Sprocket is perfect for owners of 50cc to 125cc Chinese quads who need a durable and reliable replacement. It’s ideal for those looking to improve performance or extend the life of their ATV’s chain.	View on Amazon (paid link)
ATV Rear Sprocket 428 41T for 50cc 110cc 125cc Tao Roketa Coolster Kazuma Sunl Chinese Quads 4 Wheeler 48mm 68mm Bolt Spacing with Mounting Screws	This ATV rear sprocket is perfect for riders with 50cc to 125cc Chinese quads like Tao Roketa, Coolster, or Sunl needing a 428 chain-compatible gear. It fits models with 48mm or 68mm bolt spacing and offers long-lasting steel durability for smoother rides.	View on Amazon (paid link)
Relibupdater 420 Chain Set,Rear Drive Sprocket 37 Tooth 76mm Front 17 Toothe 17mm for Chinese 50 70 90 110 125 Mini Bike ATV Go Kart Taotao Coolster Pit Dirt Bike Motorcycle Parts	This product is perfect for riders with mini bikes, ATVs, or go karts needing an easy upgrade. It fits 50cc-125cc engines, offers stronger parts for tough rides, and lasts longer to save time and cash.	View on Amazon (paid link)
RUIQIMOTO 428 41 Tooth Rear Sprocket 76mm 4 Bolts for Chinese 50cc 70cc 90cc 110cc 125cc 140cc 150cc 160cc 170cc 190cc Taotao Coolster Apollo RFZ SSR Pit Dirt Trail Bikes Quad Motor Bike ATV	This sprocket is perfect for riders of Chinese 50cc-190cc bikes like Taotao, Coolster, or Apollo. It fits 428 chains and boosts speed, durability, and ride quality.	View on Amazon (paid link)
Relibupdater 428 Chain 37 Tooth Rear Sprocket 76mm Front 16 Toothe 17mm with Chain Breaker for Chinese 50cc-190cc Pit Dirt Trail Quad Motor Bike ATV	This Relibupdater 428 Chain Sprocket Kit is perfect for owners of Chinese 50cc-190cc pit bikes, dirt bikes, trail bikes, and ATVs. It’s a fantastic upgrade that includes everything you need, like the 37-tooth rear sprocket, 16-tooth front sprocket, and a 132-link 428 chain, plus a chain breaker!	View on Amazon (paid link)
Aynaxcol 420 25T 48mm Motorcycle Rear Chain Sprocket Rear Sprocket Cog Steel Rear Drive Sprocket for Pit Bike Dirt Bike ATV 4 Wheel Go Kart Electric Bicycle	This sprocket is perfect for riders of pit bikes, dirt bikes, ATVs, go-karts, or electric bikes needing a durable steel replacement. It fits 420 chain systems with 25 teeth and a 48mm bore, ensuring smooth power transfer and long-lasting use in tough conditions.	View on Amazon (paid link)
Relibupdater 428 Chain Set,428 76mm 41 Tooth Rear Sprocket Front 14 Toothe 17mm for Chinese 50cc 70cc 90cc 110cc 125cc Pit Dirt Trail Quad Motor Bike ATV Motorcycle Parts	This Relibupdater 428 Chain Set is perfect for riders who want smoother acceleration and better efficiency on their Chinese 50cc-125cc pit bikes, dirt bikes, or ATVs. It’s ideal for those looking for high-quality, durable parts to upgrade their ride.	View on Amazon (paid link)
420 48mm 37 Tooth Rear Sprocket Cog for Compatible with 50cc 90cc 110cc 125cc Chinese ATV Dirt Pit Bike Quad Trike Motorcycle	This rear sprocket is perfect for riders of 50cc 90cc 110cc 125cc Chinese ATV Dirt Bike Quad Trike models needing a durable replacement. It fits brands like TaoTao, Kymco, and Coolster, offering a secure chain connection for smooth rides.	View on Amazon (paid link)
RUIQIMOTO 530 Rear Chain 4 Hole Sprocket with 49 Tooth for 50cc 70cc 90cc 110cc 125cc 140cc 250CC Pit Dirt Bike Bike ATV 4 Wheeler Quad Bike Motorcycle	This product is perfect for riders with 50cc to 250cc pit bikes, dirt bikes, ATVs, or quads needing a 49-tooth rear chain sprocket. It’s ideal for those wanting a simple upgrade to boost speed and smoothness.	View on Amazon (paid link)
RUIQIMOTO 428 41 Tooth Rear Sprocket 76mm 4 Bolts for Chinese 50cc 70cc 90cc 110cc 125cc 140cc 160cc 170cc 190cc CRF50 CRF70 XR50 Taotao Coolster Apollo SSR Pit Dirt Trail Bikes Quad Motor Bike ATV	This sprocket is perfect for riders with 50cc to 190cc dirt bikes, ATVs, or quads needing a durable rear sprocket. It fits 428 chains, installs easily, and boosts performance with its heat-treated strength.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 ATV rear sprockets carefully selected for performance, durability, and value. Each product is reviewed to help you find the perfect fit for your ride. Upgrade your ATV with confidence and enjoy a smoother, more powerful experience today!

1. ATV Rear Sprocket 420 37T for 50cc 110cc 125cc Tao Roketa Coolster Kazuma Sunl Chinese Quads 4 Wheeler 48mm 68mm Bolt Spacing with Mounting Screws

ATV Rear Sprocket 420 37T for 50cc 110cc 125cc Tao Roketa Coolster Kazuma Sunl Chinese Quads 4 Wheeler 48mm 68mm Bolt Spacing with Mounting Screws

The ATV Rear Sprocket 420 37T is perfect for 50cc, 110cc, and 125cc Chinese quads like Tao, Roketa, Coolster, Kazuma, and Sunl. It features 68mm bolt spacing and comes with mounting screws for easy installation.

This sprocket is made from premium-quality steel, ensuring it lasts longer and resists corrosion. Its heat-treated design improves strength and reduces wear, giving you a smoother ride while extending chain life.

This sprocket is compatible with 420 type chains only. Check your ATV’s chain for size markings. Upgrade your ride for better performance today!

Pros	Cons
Compatible with various ATV models and sizes. Made from premium-quality steel for durability. Features heat-treated technology for longer life. Easy to install with included mounting screws. Boosts performance with improved torque options.	Limited to 420 chains only (no 428 or other sizes). Requires front sprocket change for optimal speed/torque balance. Bolt spacing must match 68mm/48mm (not universal fit).

Perfect For:

This ATV Rear Sprocket is perfect for owners of 50cc to 125cc Chinese quads who need a durable and reliable replacement. It’s ideal for those looking to improve performance or extend the life of their ATV’s chain.

Ready to Purchase?

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2. ATV Rear Sprocket 428 41T for 50cc 110cc 125cc Tao Roketa Coolster Kazuma Sunl Chinese Quads 4 Wheeler 48mm 68mm Bolt Spacing with Mounting Screws

ATV Rear Sprocket 428 41T for 50cc 110cc 125cc Tao Roketa Coolster Kazuma Sunl Chinese Quads 4 Wheeler 48mm 68mm Bolt Spacing with Mounting Screws

This ATV rear sprocket fits 50cc to 125cc quads with 428 chain compatibility. It has 68mm/48mm bolt spacing for secure mounting on models like Tao Roketa, Coolster, and Kazuma.

Built with premium steel and heat-treated durability, it resists rust and lasts longer. The tooth design cuts friction to protect your chain and improve performance.

More teeth boost hill-climbing power but lowers top speed. Fewer teeth raises top speed but reduces pulling strength. Always match chain size to avoid damage.

Pros	Cons
Durable construction for long-lasting performance. Heat-treated for extra strength and wear resistance. Easy to install with included mounting screws. Compatible with various ATV models and sizes. Enhances speed and torque based on sprocket size.	Only fits 428 chains, so check your existing chain. Changing rear sprocket affects speed/torque balance. Requires careful measurement for correct fitment.

Perfect For:

This ATV rear sprocket is perfect for riders with 50cc to 125cc Chinese quads like Tao Roketa, Coolster, or Sunl needing a 428 chain-compatible gear. It fits models with 48mm or 68mm bolt spacing and offers long-lasting steel durability for smoother rides.

Ready to Purchase?

View Price on Amazon (paid link)

3. Relibupdater 420 Chain Set,Rear Drive Sprocket 37 Tooth 76mm Front 17 Toothe 17mm for Chinese 50 70 90 110 125 Mini Bike ATV Go Kart Taotao Coolster Pit Dirt Bike Motorcycle Parts

Relibupdater 420 Chain Set,Rear Drive Sprocket 37 Tooth 76mm Front 17 Toothe 17mm for Chinese 50 70 90 110 125 Mini Bike ATV Go Kart Taotao Coolster Pit Dirt Bike Motorcycle Parts

Get ready to supercharge your ride with the Relibupdater 420 Chain Set! This essential upgrade is designed to make your mini bike, ATV, or go kart perform at its best. It’s all about power, reliability, and smooth performance for your off-road adventures.

Installation is a breeze. You’ll be back on the trails in no time. This kit offers superior strength and lasting performance.

Experience longer chain life thanks to reduced friction. This complete kit has everything you need for an easy and quick installation, ensuring you get back to what you love – riding!

Pros	Cons
Easy to install with all needed parts included. Fits 50cc to 125cc bikes perfectly. Heat-treated for long-lasting strength and toughness. Reduces friction to extend chain life. Complete kit includes chain, sprockets, and screws.	Limited to specific bike sizes, not a universal fit. No instructions included, might need extra help. Chain tension adjustment required, not automatic.

Perfect For:

This product is perfect for riders with mini bikes, ATVs, or go karts needing an easy upgrade. It fits 50cc-125cc engines, offers stronger parts for tough rides, and lasts longer to save time and cash.

Ready to Purchase?

View Price on Amazon (paid link)

4. RUIQIMOTO 428 41 Tooth Rear Sprocket 76mm 4 Bolts for Chinese 50cc 70cc 90cc 110cc 125cc 140cc 150cc 160cc 170cc 190cc Taotao Coolster Apollo RFZ SSR Pit Dirt Trail Bikes Quad Motor Bike ATV

RUIQIMOTO 428 41 Tooth Rear Sprocket 76mm 4 Bolts for Chinese 50cc 70cc 90cc 110cc 125cc 140cc 150cc 160cc 170cc 190cc Taotao Coolster Apollo RFZ SSR Pit Dirt Trail Bikes Quad Motor Bike ATV

The RUIQIMOTO 428 41 Tooth Rear Sprocket is a durable replacement for many Chinese dirt bikes and ATVs. It fits a wide range of engine sizes, from 50cc to 190cc.

This sprocket works with chain size 428. It has a 76mm inside diameter and a 170mm outer diameter. The heat-treated design makes it stronger and longer-lasting.

The package includes one sprocket and four screws. Installation is quick and easy. Always check your bike’s sprocket size before buying.

Pros	Cons
Boosts your ride’s speed and smoothness. Durable and tough for lasting performance. Fits a wide range of Chinese bikes. Simple to install for quick upgrades.	May not fit all listed bike models due to size variances. Chain size 428 compatibility may not match some vehicles’ requirements. Included screws lack durability or corrosion resistance over time.

Perfect For:

This sprocket is perfect for riders of Chinese 50cc-190cc bikes like Taotao, Coolster, or Apollo. It fits 428 chains and boosts speed, durability, and ride quality.

Ready to Purchase?

View Price on Amazon (paid link)

5. Relibupdater 428 Chain 37 Tooth Rear Sprocket 76mm Front 16 Toothe 17mm with Chain Breaker for Chinese 50cc-190cc Pit Dirt Trail Quad Motor Bike ATV

Relibupdater 428 Chain 37 Tooth Rear Sprocket 76mm Front 16 Toothe 17mm with Chain Breaker for Chinese 50cc-190cc Pit Dirt Trail Quad Motor Bike ATV

Upgrade your ride with the Relibupdater 428 Chain Sprocket Kit. This kit is perfect for Chinese 50cc-190cc Pit Dirt Trail Quad Motor Bikes and ATVs. Get ready for a smoother, more powerful performance.

Crafted from high-quality materials, this sprocket set is built to last. It includes a 428 rear sprocket, a front sprocket, and a 132-link 428 chain, offering a complete solution.

This special design is ideal for Taotao, Coolster, and other Chinese ATV/Dirt Bike models. Plus, enjoy a 1-month quality guarantee for your peace of mind.

Pros	Cons
Upgrade your ride with this complete 428 chain sprocket kit. High-quality materials ensure long-lasting performance and durability. All-in-one package saves time and money on extra accessories. Perfect fit for Chinese ATVs and dirt bikes, 50cc-190cc. 1-month warranty guarantees hassle-free replacement if needed.	Limited to Chinese 50cc-190cc models only 132-link chain may need shortening Only 1-month warranty for defects

Perfect For:

This Relibupdater 428 Chain Sprocket Kit is perfect for owners of Chinese 50cc-190cc pit bikes, dirt bikes, trail bikes, and ATVs. It’s a fantastic upgrade that includes everything you need, like the 37-tooth rear sprocket, 16-tooth front sprocket, and a 132-link 428 chain, plus a chain breaker!

Ready to Purchase?

View Price on Amazon (paid link)

6. Aynaxcol 420 25T 48mm Motorcycle Rear Chain Sprocket Rear Sprocket Cog Steel Rear Drive Sprocket for Pit Bike Dirt Bike ATV 4 Wheel Go Kart Electric Bicycle

Aynaxcol 420 25T 48mm Motorcycle Rear Chain Sprocket Rear Sprocket Cog Steel Rear Drive Sprocket for Pit Bike Dirt Bike ATV 4 Wheel Go Kart Electric Bicycle

The Aynaxcol 420 Rear Chain Sprocket is perfect for dirt bikes, ATVs, and go-karts. It fits bikes with a 420 type chain. This part improves performance and makes your ride smoother.

Measuring 107mm in diameter and having 25 teeth, it is designed for the best fit. The inner diameter is 48mm, ensuring compatibility with your vehicle.

Made from durable steel, this sprocket lasts a long time. It delivers reliable performance in all conditions. Upgrade your ride with this essential component today!

Pros	Cons
Durable steel construction for long-lasting use. Perfect fit for 420 type chains. Improves performance and efficiency of your bike. Smooth power transmission for better acceleration. Easy replacement for worn sprockets.	Limited Compatibility with 420 Chain Only 48mm Inner Diameter May Limit Fitment Heavier Weight Compared to Alloy Alternatives

Perfect For:

This sprocket is perfect for riders of pit bikes, dirt bikes, ATVs, go-karts, or electric bikes needing a durable steel replacement. It fits 420 chain systems with 25 teeth and a 48mm bore, ensuring smooth power transfer and long-lasting use in tough conditions.

Ready to Purchase?

View Price on Amazon (paid link)

7. Relibupdater 428 Chain Set,428 76mm 41 Tooth Rear Sprocket Front 14 Toothe 17mm for Chinese 50cc 70cc 90cc 110cc 125cc Pit Dirt Trail Quad Motor Bike ATV Motorcycle Parts

Relibupdater 428 Chain Set,428 76mm 41 Tooth Rear Sprocket Front 14 Toothe 17mm for Chinese 50cc 70cc 90cc 110cc 125cc Pit Dirt Trail Quad Motor Bike ATV Motorcycle Parts

This 428 chain sprocket kit fits Chinese 50cc-125cc pit bikes, dirt bikes, and ATVs. It includes a 41-tooth rear sprocket, 14-tooth front sprocket, 428-110 chain, and chain remover.

The high-quality steel rear sprocket boosts durability and power transfer. Paired with the front sprocket, it ensures smoother acceleration and better ride efficiency.

Check your bike specs before buying. Easy install with included tools. Reliable upgrade for trail, dirt, or quad use.

Pros	Cons
Compatible with 50cc-125cc Chinese motorcycles Smaller front sprocket for quicker acceleration Larger rear sprocket for better efficiency High-quality steel ensures long-lasting use All-inclusive kit includes chain and tools	Not for all Chinese bikes. Check size before you buy. May need extra parts.

Perfect For:

This Relibupdater 428 Chain Set is perfect for riders who want smoother acceleration and better efficiency on their Chinese 50cc-125cc pit bikes, dirt bikes, or ATVs. It’s ideal for those looking for high-quality, durable parts to upgrade their ride.

Ready to Purchase?

View Price on Amazon (paid link)

8. 420 48mm 37 Tooth Rear Sprocket Cog for Compatible with 50cc 90cc 110cc 125cc Chinese ATV Dirt Pit Bike Quad Trike Motorcycle

The 420 48mm 37 Tooth Rear Sprocket Cog is perfect for Chinese ATVs, dirt bikes, and quads. It fits 50cc to 125cc models from brands like TaoTao, Roketa, and Coolster. This durable cog ensures smooth performance for your ride.

It comes with one rear sprocket cog in the package. The 48mm center hole and 37 teeth match your bike’s chain perfectly. Its compact design makes installation quick and easy.

If you face any issues, contact us for help. We’ll solve your problem fast and keep your ride running smoothly.

Pros	Cons
Boost your ride with 37 teeth! Perfect fit for 50cc to 125cc engines. Durable silver finish for lasting style. Easy upgrade for your ATV or dirt bike.	Limited Compatibility: Only fits specific Chinese ATV models. No Installation Tools: Requires extra tools for setup. Single Piece: No spares included in the package.

Perfect For:

This rear sprocket is perfect for riders of 50cc 90cc 110cc 125cc Chinese ATV Dirt Bike Quad Trike models needing a durable replacement. It fits brands like TaoTao, Kymco, and Coolster, offering a secure chain connection for smooth rides.

Ready to Purchase?

View Price on Amazon (paid link)

9. RUIQIMOTO 530 Rear Chain 4 Hole Sprocket with 49 Tooth for 50cc 70cc 90cc 110cc 125cc 140cc 250CC Pit Dirt Bike Bike ATV 4 Wheeler Quad Bike Motorcycle

RUIQIMOTO 530 Rear Chain 4 Hole Sprocket with 49 Tooth for 50cc 70cc 90cc 110cc 125cc 140cc 250CC Pit Dirt Bike Bike ATV 4 Wheeler Quad Bike Motorcycle

The RUIQIMOTO 530 Rear Chain Sprocket is a great choice for many dirt bikes and ATVs. It fits vehicles from 50cc to 250cc, making it very versatile. With 49 teeth, it helps improve your bike’s performance.

This sprocket has an inside diameter of 58mm and a centre hole of 80mm. It is easy to install, which can make your ride faster and smoother.

Upgrade your bike with this high-quality sprocket. Enjoy a better riding experience with ease. Always check if it fits your model before buying.

Pros	Cons
Fits a variety of vehicle models. Easy to install for quick use. Improves ride speed and smoothness. Made with durable materials for longevity.	Potential fit issues for specific vehicle models despite listed compatibility. Mounting holes may not align with all bike configurations. No included instructions for installation or compatibility checks.

Perfect For:

This product is perfect for riders with 50cc to 250cc pit bikes, dirt bikes, ATVs, or quads needing a 49-tooth rear chain sprocket. It’s ideal for those wanting a simple upgrade to boost speed and smoothness.

Ready to Purchase?

View Price on Amazon (paid link)

10. RUIQIMOTO 428 41 Tooth Rear Sprocket 76mm 4 Bolts for Chinese 50cc 70cc 90cc 110cc 125cc 140cc 160cc 170cc 190cc CRF50 CRF70 XR50 Taotao Coolster Apollo SSR Pit Dirt Trail Bikes Quad Motor Bike ATV

RUIQIMOTO 428 41 Tooth Rear Sprocket 76mm 4 Bolts for Chinese 50cc 70cc 90cc 110cc 125cc 140cc 160cc 170cc 190cc CRF50 CRF70 XR50 Taotao Coolster Apollo SSR Pit Dirt Trail Bikes Quad Motor Bike ATV

The RUIQIMOTO 428 41 Tooth Rear Sprocket is designed for various Chinese dirt bikes and ATVs. It fits models ranging from 50cc to 190cc, ensuring compatibility with many popular brands like CRF, Taotao, and Apollo.

This sprocket is made for easy installation. You will enjoy a smoother ride. Its sturdy design means it’s built to last.

Upgrade your bike with this reliable sprocket. It comes with four screws for your convenience. Remember to check the size to ensure a perfect fit.

Pros	Cons
Boosts your ride’s speed and smoothness. Tough and durable for long-lasting performance. Fits a wide range of Chinese dirt bikes. Simple to install for quick upgrades.	May not fit all bike models. Check size carefully before buying. Screws might be small for some.

Perfect For:

This sprocket is perfect for riders with 50cc to 190cc dirt bikes, ATVs, or quads needing a durable rear sprocket. It fits 428 chains, installs easily, and boosts performance with its heat-treated strength.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Choosing the right rear sprocket can transform your ATV’s performance. It’s a simple upgrade that offers big rewards. Get ready for a better ride!

Imagine the thrill of smoother acceleration and the confidence of a longer-lasting chain. Riders often share stories of how a new sprocket made their ATV feel like a completely different machine. It’s about more trail time and less worry.

Here are the key things to consider when buying the best ATV rear sprockets:

Chain Size Compatibility: Sprockets come in different chain sizes like 420 or 428. Your ATV uses a specific chain size. Always match the sprocket to your chain size to avoid damage and ensure a smooth ride.
Tooth Count (T): The number of teeth affects your ATV’s speed and power. More teeth give you better hill-climbing power but reduce top speed. Fewer teeth increase top speed but lessen pulling strength.
Material and Durability: Look for sprockets made from high-quality steel. Heat-treated designs offer superior strength and resist wear. This means your sprocket will last longer and perform better.
Bolt Spacing and Diameter: This is crucial for a proper fit. Common bolt spacings are 48mm or 68mm. Ensure the sprocket’s bolt spacing and center hole diameter match your ATV’s hub.
Vehicle Fitment: Sprockets are designed for specific engine sizes and types of vehicles. Check that the sprocket is compatible with your ATV’s CC rating (e.g., 50cc, 110cc, 125cc) and model.
Ease of Installation: Many sprockets are designed for easy installation. Some kits even come with mounting screws or chains. This saves you time and gets you back on the trail faster.

Ready to find the perfect sprocket for your ATV?