The engineering behind this product’s heat-treatment and high-quality steel makes it a real game-changer. After hands-on testing, I can say the ATV Rear Sprocket 420 37T for 50cc 110cc 125cc Tao Roketa by RUTU stood out. It’s built to withstand corrosion and wear, which means longer life and fewer worries on rough rides. The unique radius curve on each tooth reduces transmission friction, so your chain runs smoother and lasts longer, even during heavy use.
Compared to simpler, cheaper sprockets, this one offers better durability and precise fit thanks to careful measurements and high-tech manufacturing. It’s especially ideal if you’re looking to balance speed and torque because adjusting the size impacts top speed versus hill climbing power. Trust me, after testing various options, this product’s solid build and thoughtful design make it a top pick for serious ATV enthusiasts.
Top Recommendation: ATV Rear Sprocket 420 37T for 50cc 110cc 125cc Tao Roketa by RUTU
Why We Recommend It: This sprocket features premium steel with heat-treatment, ensuring maximum longevity and resistance to wear. Its precision radius curve reduces transmission friction, a crucial factor for chain lifespan and smooth performance. Its specific compatibility with 420 chains, combined with detailed dimensions, guarantees a perfect fit and reliable power transfer under demanding conditions. Compared to lightweight or generic options, it balances quality, durability, and performance, making it the best overall choice.
Best atv sprocket: Our Top 5 Picks
- ATV Rear Sprocket 420 37T for 50cc 110cc 125cc Tao Roketa – Best Top ATV Sprocket for Versatile Performance
- CQSPMOTO 420 12T 17mm Motorcycle Front Engine Sprocket 50cc – Best for Front Engine Compatibility
- HIAORS 428 13T 17mm Motorcycle Front Engine Sprocket for – Best High Quality ATV Sprocket for Durability
- MRELC 420 Chain & Sprocket Set for 50cc-170cc Bikes – Best ATV Gear Set for Complete Upgrade
- Saihisday 428 Chain Sprocket 12T 17mm for ATV Dirt Bikes – Best Premium ATV Sprocket for Off-Road Use
ATV Rear Sprocket 420 37T for 50cc 110cc 125cc Tao Roketa
- ✓ Durable steel build
- ✓ Smooth gear engagement
- ✓ Long-lasting heat-treatment
- ✕ Only fits 420 chains
- ✕ Compatibility check needed
| Material | Premium-quality steel with heat-treatment hardening |
| Tooth Count | 37 teeth |
| Sprocket Size Compatibility | 420 chain type only |
| Mounting Hole Spacing | 68mm (opposite holes), 48mm (adjacent holes) |
| Intended ATV Size Compatibility | Suitable for 50cc, 110cc, 125cc ATVs; also compatible with youth and children’s ATVs using 420 or 428 chains |
| Design Feature | Radius curve for each tooth to reduce transmission friction and extend chain life |
The moment I grabbed this ATV rear sprocket, I immediately noticed how solid and hefty it felt in my hand. The steel construction has a nice matte finish that screams durability.
Installing it was straightforward thanks to the precise hole measurements—no fuss aligning the 68mm and 48mm mounting holes.
Once mounted, I could tell right away that this sprocket is built to last. The heat-treatment process really shows in how resistant it feels to wear and tear.
I took my ATV for a spin on some steep hills, and I was impressed by the extra torque I got without sacrificing too much top speed.
The unique radius curve on each tooth made a noticeable difference. Gear engagement was smoother, and I felt less friction on the chain.
It’s clear that the design helps extend the chain’s lifespan, which is a huge plus for anyone tired of frequent replacements.
One thing to keep in mind: this sprocket is specifically for 420 chains. I double-checked my chain size before installing, so no surprises there.
Adjusting the sprocket size can change your ride—more teeth for torque, fewer for speed. It’s a simple tweak but makes a big difference in performance.
Overall, I’d say this sprocket is a smart upgrade for any 50cc to 125cc ATV. It feels premium and performs reliably under pressure.
The only downside? If your ATV isn’t compatible, you’ll need to look elsewhere.
But if it fits, you’re in good hands.
CQSPMOTO 420 12T 17mm Motorcycle Front Engine Sprocket 50cc
- ✓ Durable high-strength steel
- ✓ Easy to install
- ✓ Precise teeth design
- ✕ Compatible only with 420 chains
- ✕ Not suitable for larger bikes
| Sprocket Type | Front engine sprocket |
| Number of Teeth | 12 teeth |
| Inner Bore Diameter | 17 mm |
| Bolt-hole Spacing | 30 mm |
| Material | High-strength forged steel (#45 steel) |
| Compatibility | Compatible with 420 chain, fits 50cc to 125cc mini bikes, ATVs, go-karts, and Chinese brands |
This CQSPMOTO 420 12T 17mm front sprocket has been sitting on my gear wishlist for a while, and when I finally got my hands on it, I was eager to see if it lived up to the hype. The first thing I noticed was how solid it felt in my hand—crafted from high-strength #45 steel and heat-treated for durability.
Installing it was a breeze. The included bolts and retainer plate fit perfectly, and aligning the sprocket with the output shaft took just a few minutes.
The precision-machined teeth immediately caught my eye—smooth and flawless, ensuring minimal chain slip.
During my test rides on a 70cc mini bike, I could tell right away the difference in power transfer. The sprocket’s robust build kept everything running smoothly, even through rough terrain.
It’s clear that the heat treatment and strong material make this sprocket resistant to deformation and wear over time.
What really stood out was how quiet and consistent my chain engagement felt, even after hours of riding. Whether I was cruising on the highway or tackling off-road trails, the sprocket maintained excellent grip and durability.
Plus, the installation process was straightforward, even for a quick swap in the middle of a ride.
Keep in mind, this sprocket is designed specifically for 420 chains, so double-check your chain compatibility before ordering. Also, its size and bolt spacing mean it’s best suited for smaller bikes and ATVs, so larger machines might need a different setup.
Overall, this sprocket offers a solid upgrade for mini bikes and ATVs, combining durability, precision, and ease of installation. It’s a reliable choice that keeps your ride smooth and responsive, no matter the terrain.
HIAORS 428 13T 17mm Motorcycle Front Engine Sprocket for
- ✓ Durable machined finish
- ✓ Precise fit and easy install
- ✓ Improves acceleration
- ✕ Limited to 13T size
- ✕ Needs size confirmation
| Chain Compatibility | 428 chain |
| Number of Teeth | 13T |
| Sprocket Diameter | 17mm (center bore) |
| Mounting Hole Spacing | 30mm (eye-to-eye) |
| Shaft Compatibility | Countershaft with 17mm width |
| Application | Motorcycle front engine sprocket |
I was tightening my bike’s front sprocket when I noticed how solid the HIAORS 428 13T 17mm sprocket felt in my hand. It has a clean, machined finish that immediately gave me confidence in its durability.
The teeth are precisely cut, and the fit on my motorcycle’s countershaft was perfect—the 30mm eye-to-eye measurement lined up just right.
Installing it was straightforward. The 17mm width of the hub matched my motorcycle’s specs without any fuss.
I appreciated how lightweight but sturdy it felt—no wobbling or flexing during installation. Once mounted, I took it out for a quick ride around the block, and I could tell right away that the chain engagement was smooth and responsive.
The 13-tooth gear made for a noticeable difference in acceleration. Power delivery felt sharper, and I could feel the chain biting into the sprocket with each throttle twist.
It’s clear this sprocket is built for performance, especially if you’re looking to upgrade for better off-road or ATV performance. Overall, it’s a reliable upgrade that feels like it can handle tough riding conditions.
If you’re checking the size before buying, it’s good to confirm the chain fit and the countershaft width. This model is well-made, and I didn’t notice any rough edges or manufacturing flaws.
It’s a solid choice for anyone wanting a high-quality, durable front sprocket that’s easy to install and improves ride performance.
MRELC 420 Chain & Sprocket Set for 50cc-170cc Bikes
- ✓ Heavy-duty construction
- ✓ Easy to install
- ✓ Wide compatibility
- ✕ Slightly pricey
- ✕ Requires proper sizing check
| Chain Length | 120 links (adjustable with master link) |
| Chain Material | High-quality, anti-oxidation steel |
| Chain Size | 420 chain |
| Front Sprocket | 13 teeth, 17mm mounting hole, stainless steel |
| Rear Sprocket | 35 teeth, 76mm inside diameter, stainless steel |
| Compatibility | 50cc to 170cc engines, including CRF150, YZ80, SSR, Lifan, Coolster |
Many folks assume that upgrading a dirt bike or ATV’s drivetrain is just about tossing in a new sprocket or chain. But I’ve found that a lot of those “complete sets” out there don’t quite hit the mark for durability or fit.
This MRELC 420 Chain & Sprocket Set changed that perception for me.
The first thing I noticed is how solid everything feels in your hands. The stainless steel sprockets have a sleek, high-quality look and weight that screams durability.
When I installed the set on my mini bike, the fit was spot-on—thanks to the precise dimensions like the 13-tooth front sprocket and 35-tooth rear.
The chain itself is beefy with 120 links, giving plenty of room for adjustment. I appreciated the included master link, which made breaking and connecting the chain straightforward.
It’s clear this chain was built to last; it’s anti-oxidation, resistant to wear, and handles power transfer smoothly without slipping.
Installation was surprisingly simple, even for a DIY’er. The included screws and spacers fit perfectly, and the process took less than an hour.
Once installed, I immediately felt the difference—sharper acceleration and a more consistent power transfer. It’s compatible with a wide range of bikes, which makes it versatile for many riders.
Overall, this set delivers quality, durability, and ease of use—making it a worthwhile upgrade that genuinely enhances performance. Whether you’re rebuilding or just upgrading, you’ll likely find this set a reliable companion on the trail or track.
Saihisday 428 Chain Sprocket 12T 17mm for ATV Dirt Bikes
- ✓ Easy to install
- ✓ Durable construction
- ✓ Fits multiple models
- ✕ Needs professional installation
- ✕ No additional sprockets included
| Number of Teeth | 12T |
| Shaft Inner Diameter | 17mm |
| Applicable ATV Models | 50cc to 160cc ATV Dirt Bikes including TaoTao, Roketa, Sunl |
| Material | Not specified (typically steel or alloy for sprockets) |
| Installation Time | Approximately 30 minutes or less |
| Package Contents | Front Sprocket Shaft with Mounts |
Imagine pulling off your ATV’s chain cover and expecting a routine replacement, only to find the old sprocket practically falling apart in your hands. That was my surprise when I installed the Saihisday 428 Chain Sprocket 12T—its robust build instantly told me this wasn’t just another cheap part.
The first thing I noticed is how straightforward the installation is. No awkward adapters or confusing instructions—just a simple 30-minute swap.
The sprocket fits perfectly on a variety of models like 50cc, 70cc, up to 160cc ATV dirt bikes, which makes it versatile if you own different bikes or upgrade often.
The 12T size with a 17mm inner diameter means it meshes smoothly with the chain, reducing the risk of slipping or wear. I appreciated how solidly it sat on the shaft, giving me confidence during high-speed runs and tough terrains.
Plus, the included mounts are a nice touch, saving me extra trips to the hardware store.
One thing to keep in mind is that professional installation is recommended—don’t just eyeball it. Proper torque and alignment are key to longevity and performance.
Overall, this sprocket feels durable and well-made, perfect for riders who want a reliable upgrade without fussing over compatibility.
If you’re tired of sprockets that wear out too fast or are a nightmare to install, this one might change your mind. It’s a solid, affordable choice for keeping your ATV running smoothly and quietly for miles to come.
What Is an ATV Sprocket and Why Is It Important for Your ATV?
To ensure optimal performance, best practices include regularly inspecting the sprocket for wear and tear, replacing it in conjunction with the chain to maintain compatibility, and selecting the right sprocket size for the intended use of the ATV. Enthusiasts often recommend brands like Renthal and JT Sprockets for their reliability and performance.
What Types of ATV Sprockets Are Available?
ATV sprockets come in various types, each designed for specific riding conditions and performance needs. Understanding these options can significantly impact your ATV’s handling and power delivery.
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Standard Sprockets: Typically made from steel or aluminum, these are ideal for everyday use. They provide a good balance between durability and weight, making them suitable for most casual riders.
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Heavy-Duty Sprockets: Constructed from high-carbon steel, these are engineered for extreme conditions and aggressive riding. They resist wear and deformation, making them a preferred choice for rough terrains.
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Lightweight Sprockets: Often crafted from aluminum or titanium, these sprockets are designed for racing or performance-driven riding. They enhance speed and acceleration by reducing overall weight.
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Adjustable Sprockets: Featuring multiple mounting options, adjustable sprockets allow riders to fine-tune the gearing ratio. This versatility is beneficial for those who frequently switch between different riding styles or environments.
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Performance Sprockets: These sprockets are designed specifically for maximizing power and torque. They are often used in competitive settings where every bit of performance counts.
Choosing the right type depends on your riding style, the terrain you navigate, and your performance goals.
How Does a Standard Sprocket Differ from a Performance Sprocket?
The differences between a standard sprocket and a performance sprocket involve their construction, material, and intended use.
- Material Composition: Standard sprockets are typically made from mild steel, which is cost-effective and suitable for everyday use. Performance sprockets, on the other hand, are often constructed from higher-grade materials such as aluminum or hardened steel, providing increased durability and resistance to wear and tear for high-performance applications.
- Weight: Standard sprockets usually have a heavier build, which can be a disadvantage in terms of acceleration and handling. Performance sprockets are designed to be lighter, allowing for quicker acceleration and better overall performance, making them ideal for racing or off-road environments.
- Tooth Design: The tooth profile on standard sprockets is generally uniform and designed for general use. Performance sprockets often feature advanced tooth designs, such as those that are wider or have specific shapes to improve chain engagement and reduce slippage, thus enhancing power transfer and efficiency.
- Customization: Standard sprockets come in a limited range of sizes and configurations, catering to basic needs. In contrast, performance sprockets offer a variety of gear ratios and customization options, enabling riders to tailor their ATV’s performance to specific terrains or racing styles.
- Longevity and Maintenance: Standard sprockets may require more frequent replacement due to wear from regular use. Performance sprockets, with their superior materials and construction, often provide a longer lifespan and require less maintenance, making them a better investment for enthusiasts who ride frequently and in demanding conditions.
What Materials Make the Best ATV Sprockets Durable?
The best ATV sprockets are typically made from materials that ensure durability and resistance to wear and tear.
- Carbon Steel: Carbon steel is a popular choice for ATV sprockets due to its high strength and resistance to impact. It can withstand the harsh conditions of off-road riding while offering a balance between weight and durability.
- Alloy Steel: Alloy steel sprockets are enhanced with elements like chromium and molybdenum, which significantly increase their hardness and tensile strength. This type of material is less prone to deformation and wear, making it ideal for high-performance applications.
- Aluminum: Aluminum sprockets are lightweight and provide excellent corrosion resistance, making them suitable for racing and performance-oriented ATVs. While they may wear down faster than steel alternatives, their reduced weight can enhance acceleration and handling.
- Stainless Steel: Stainless steel offers superior resistance to rust and corrosion, making it a durable choice for ATVs exposed to wet or muddy conditions. Although slightly heavier than aluminum, its longevity and strength can justify the trade-off in weight.
- Composite Materials: Some modern sprockets are made from composite materials that combine polymers with metal substances. These sprockets can deliver a unique blend of lightweight functionality and resistance to environmental factors, although they might not be as robust as metal counterparts.
What Factors Should You Consider When Selecting an ATV Sprocket?
When selecting the best ATV sprocket, several factors should be taken into account to ensure optimal performance and compatibility.
- Material: The material of the sprocket affects its durability and performance. Common materials include steel, aluminum, and titanium, with steel being the most durable, aluminum being lighter and offering better acceleration, and titanium providing a balance of strength and weight.
- Teeth Count: The number of teeth on the sprocket determines the gear ratio, impacting speed and torque. A sprocket with fewer teeth can increase acceleration but may decrease top speed, while more teeth can enhance speed at the cost of initial acceleration.
- Compatibility: Ensure that the sprocket is compatible with your ATV’s make and model, particularly the chain size and pitch. Mismatched components can lead to poor performance and increased wear on parts.
- Design: The design of the sprocket can influence its efficiency and weight. Lightweight designs can enhance performance but may compromise durability, while heavier designs are often more robust but can add unnecessary weight to the ATV.
- Brand Reputation: Selecting a sprocket from a well-known and reputable brand can provide assurance of quality and performance. Established brands often have a track record of reliability and customer satisfaction, which can be crucial for off-road use.
- Price: Consider your budget when choosing a sprocket, as prices can vary widely based on material and brand. While it may be tempting to go for the cheapest option, investing in higher-quality sprockets can lead to better performance and longevity.
How Does Gear Ratio Affect My ATV’s Performance?
The gear ratio plays a crucial role in determining your ATV’s performance, impacting aspects such as acceleration, speed, and torque.
- Acceleration: A higher gear ratio allows for quicker acceleration, giving your ATV the ability to reach higher speeds more rapidly. However, this can also mean sacrificing some top-end speed, as the engine may reach its maximum RPMs sooner.
- Top Speed: Lower gear ratios are typically better for achieving higher top speeds, as they allow the engine to maintain power over a longer distance. This is ideal for racing or flat terrain where speed is essential.
- Torque: Gear ratios affect the torque delivered to the wheels; a lower gear ratio provides more torque, which is beneficial for climbing hills or navigating rough terrain. This means that while you may sacrifice top speed, you gain the ability to tackle more challenging landscapes with ease.
- Fuel Efficiency: Optimal gear ratios can enhance fuel efficiency by allowing the engine to operate within its most efficient RPM band. Correctly tuning your ATV’s gear ratio can lead to better fuel consumption, ultimately saving you money in the long run.
- Engine Strain: An improper gear ratio can lead to increased strain on your engine, potentially causing premature wear and tear. Selecting the best ATV sprocket for your riding style and conditions can help maintain the longevity of your engine.
Why Is Durability Critical in Sprocket Selection?
Durability is a paramount factor in selecting an ATV sprocket, as it directly impacts performance and safety. A durable sprocket withstands the rigors of off-road terrain, ensuring seamless power transfer between the engine and wheels. Without adequate durability, an ATV can suffer from mechanical failures, leading to costly repairs and safety hazards.
Key reasons for prioritizing durability in sprocket selection include:
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Material Quality: High-quality materials, such as hardened steel or alloy, offer improved resistance to wear and tear compared to cheaper alternatives. This results in longer lifespan and reliability.
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Load Capacity: Durable sprockets are designed to handle the stresses of various terrains, whether rocky, muddy, or sandy. They effectively manage the weight and strain placed on them during operation.
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Maintenance Needs: Choosing a durable sprocket means reduced maintenance and replacement frequency. Regular replacements can be time-consuming and expensive, making a long-lasting sprocket a wiser investment.
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Compatibility with ATV Usage: For aggressive riders or those engaging in rigorous off-roading, a durable sprocket provides the strength needed for optimal performance without risking breakage.
Investing in a high-quality, durable sprocket ensures enhanced performance and longevity in demanding riding conditions.
Which Brands Are Recognized for High-Quality ATV Sprockets?
Several brands are recognized for producing high-quality ATV sprockets:
- Renthal: Known for its durability and performance, Renthal sprockets are crafted from high-grade materials and designed for various riding conditions.
- DID: DID sprockets are well-regarded for their precision engineering and long lifespan, making them a preferred choice among off-road enthusiasts.
- Sunstar: Sunstar offers a range of sprockets that combine lightweight construction with strength, ensuring optimal power transfer and longevity.
- Moose Racing: Moose Racing provides high-quality sprockets that are engineered to withstand the toughest terrains, often featuring a corrosion-resistant finish.
- ProTaper: ProTaper sprockets are designed for high performance, often used in competitive racing, and are known for their precision fit and lightweight design.
Renthal sprockets are widely recognized for their exceptional durability and performance, utilizing high-grade materials that can withstand harsh riding conditions. They are often favored by riders who prioritize reliability under extreme conditions.
DID sprockets are celebrated for their precision engineering, which ensures a perfect fit on various ATV models. Their long lifespan makes them a favorite among off-road enthusiasts who value quality and performance.
Sunstar sprockets stand out due to their combination of lightweight construction and strength, allowing for effective power transfer while maintaining durability. This balance makes them suitable for both recreational and competitive riders.
Moose Racing sprockets are designed to endure the toughest terrains, and their corrosion-resistant finish extends their lifespan, making them a popular choice for riders who frequently venture off-road.
ProTaper sprockets are engineered specifically for high-performance applications, often seen in competitive settings. Their precision fit and lightweight design contribute to improved acceleration and handling, appealing to serious racers.
What Are the Benefits of Upgrading to a Better ATV Sprocket?
Upgrading to a better ATV sprocket offers several advantages that can enhance performance and longevity.
- Improved Performance: A high-quality sprocket can significantly enhance the power transfer from the engine to the wheels, resulting in better acceleration and overall handling. This is especially beneficial in off-road conditions where traction and power delivery are critical.
- Increased Durability: Better ATV sprockets are often made from higher-grade materials that resist wear and tear, leading to a longer lifespan. This durability means fewer replacements and maintenance costs over time, making it a cost-effective investment.
- Weight Reduction: Aftermarket sprockets can be designed to be lighter than stock options, which can decrease the overall weight of the vehicle. This reduction can improve speed and maneuverability, giving riders an edge in performance.
- Customization Options: Upgrading allows for customization based on riding style and terrain. Changing the sprocket size can help optimize torque or speed, catering to personal preferences and specific riding conditions.
- Enhanced Chain Life: A better sprocket can lead to improved chain alignment and less friction during operation, which helps extend the life of the chain. This synergy between the sprocket and chain can result in smoother rides and reduced maintenance frequency.