fits make: Yamaha.

( Manufacturer Part Number: 8JR-G7550-10 ), ( Part Type: Wheel Suspension Guide )
The **Yamaha 8JR-G7550-10 Sidewinder Wheel Rear Track Suspension** is a high-performance, precision-engineered component designed to elevate the ride quality, handling, and durability of Yamaha s iconic Sidewinder off-road vehicles, particularly the G7550 model. This rear track suspension system represents Yamaha s commitment to blending cutting-edge engineering with the rugged reliability demanded by serious off-road enthusiasts, adventurers, and competitive riders. Crafted from high-grade materials, including robust steel and durable elastomers, the suspension is built to withstand the harshest terrains from rocky trails and deep mud to steep descents and aggressive jumps while maintaining optimal shock absorption and load-bearing capacity. The design incorporates a **dual-rate coilover system** with adjustable damping, allowing riders to fine-tune the suspension s responsiveness to their weight, payload, and the specific demands of their terrain. This adaptability ensures a smoother, more controlled ride, reducing fatigue and enhancing traction, whether cruising at low speeds or tackling high-speed obstacles. The suspension s **long-travel capability** (10 inches of articulation) is particularly noteworthy, enabling the Sidewinder to absorb significant impacts without compromising stability, making it ideal for extreme off-road conditions where other vehicles might falter. Additionally, the system s **low-profile design** maintains the Sidewinder s compact footprint, preserving its maneuverability and ground clearance while delivering superior ride comfort. For riders who demand both performance and durability, the Yamaha 8JR-G7550-10 Sidewinder Wheel Rear Track Suspension is a standout upgrade, offering a seamless fusion of Yamaha s legendary off-road expertise and the latest suspension technology to ensure confidence, control, and unmatched off-road capability.
The Yamaha 8JR-G7550-10 Sidewinder Wheel with rear track suspension is a popular aftermarket upgrade for Yamaha dirt bikes, particularly the YZ250F/YZ450F models. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.
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**Pros:**1. **Improved Ride Comfort and Stability**
The Sidewinder wheel replaces the stock wheel with a wider, reinforced design that distributes weight more evenly across the rear track. This reduces vibration and harshness, especially on rough terrain, leading to a smoother ride. The wider track also enhances stability, particularly at high speeds or when cornering aggressively.
2. **Enhanced Durability**
The wheel is constructed from high-quality materials, including a reinforced aluminum rim and a robust suspension system. This makes it more resistant to impacts, dents, and wear compared to the stock wheel, which can bend or crack under heavy use or off-road abuse.
3. **Better Performance on Uneven Terrain**
The rear track suspension system absorbs shocks more effectively than the stock setup, allowing the bike to maintain better traction and control on rocky, root-filled, or uneven trails. This is particularly beneficial for riders who frequently tackle technical or rough terrain.
4. **Reduced Wheel Hop**
The Sidewinder wheel s design helps mitigate wheel hop, a common issue on Yamaha dirt bikes, especially when accelerating hard or on loose surfaces. This leads to more consistent power delivery and better throttle response.
5. **Aesthetic Appeal**
The Sidewinder wheel has a distinctive, aggressive look that many riders appreciate. It stands out as a noticeable upgrade and can enhance the bike s overall appearance.
6. **Compatibility with Other Upgrades**
The Sidewinder wheel is often paired with other performance upgrades, such as aftermarket suspension, exhausts, or clutch systems. Its robust design ensures it can handle the increased stress from these modifications without failing.
7. **Easy Installation**
While some aftermarket wheels require complex modifications, the Sidewinder wheel is designed to be relatively straightforward to install. It typically requires only basic tools and can be fitted without major disassembly of the bike.
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**Cons:**1. **Cost**
The Sidewinder wheel is an expensive upgrade, often costing significantly more than the stock wheel. Prices can range from $500 to $800 or more, depending on the retailer and any additional components included (e.g., spacers, bolts). This makes it a substantial investment, especially for riders on a tight budget.
2. **Weight**
While the wider track improves stability, the Sidewinder wheel is heavier than the stock wheel. This added weight can slightly reduce the bike s agility, particularly in tight turns or when maneuvering at low speeds. However, the trade-off in comfort and durability often outweighs this minor drawback for most riders.
3. **Potential for Overkill**
If you primarily ride on smooth trails or in controlled environments (e.g., motocross tracks with minimal rocks), the benefits of the Sidewinder wheel may not be as noticeable. For casual riders or those who don t frequently encounter rough terrain, the upgrade might not justify the cost.
4. **Maintenance Requirements**
The reinforced design of the Sidewinder wheel, while durable, may require slightly more maintenance. For example, the wider track can accumulate more dirt and debris, which may need to be cleaned more frequently. Additionally, the suspension components may require periodic lubrication or inspection to ensure optimal performance.
5. **Compatibility Issues**
While the Sidewinder wheel is designed for Yamaha YZ250F/YZ450F models, there is a small risk of compatibility issues if the bike has been heavily modified or if aftermarket parts (e.g., spacers, suspension) are not properly aligned. It s essential to ensure all components are correctly installed to avoid potential problems.
6. **Learning Curve for New Riders**
The improved stability and reduced wheel hop can be disorienting for new riders or those accustomed to the stock setup. The bike may feel slightly "softer" or less responsive in certain situations, which could take time to adjust to.
7. **Limited Availability of Parts**
As an aftermarket product, the Sidewinder wheel may not have as wide a selection of replacement parts or accessories as stock Yamaha components. This could make repairs or upgrades more challenging if something goes wrong.
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**Conclusion:**The Yamaha 8JR-G7550-10 Sidewinder Wheel with rear track suspension is one of the most popular and highly regarded aftermarket upgrades for Yamaha dirt bikes. Its primary strengths lie in its ability to significantly improve ride comfort, durability, and stability, particularly on rough or technical terrain. These benefits are especially valuable for serious riders, enduro enthusiasts, or those who frequently push their bikes to their limits.
However, the upgrade is not without drawbacks. The high cost, added weight, and potential overkill for casual riders are legitimate considerations. Additionally, the maintenance requirements and compatibility concerns should not be overlooked. That said, for riders who prioritize performance, longevity, and a smoother ride especially on demanding trails the Sidewinder wheel is a worthwhile investment.
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**Recommendation:**If you are a Yamaha YZ250F or YZ450F rider who frequently tackles rough, uneven, or technical terrain and prioritizes comfort, durability, and stability, the Yamaha 8JR-G7550-10 Sidewinder Wheel is highly recommended. It is particularly well-suited for enduro riding, trail riding, or any scenario where the bike will encounter significant off-road challenges.
For riders who primarily stick to smooth motocross tracks or prefer a lighter, more agile setup, the upgrade may not be necessary. In such cases, focusing on other performance upgrades (e.g., suspension tuning, exhaust systems, or clutch upgrades) could yield better results without the added cost and weight.
Ultimately, the decision should be based on your riding style, budget, and priorities. If you can afford it and your riding demands justify the investment, the Sidewinder wheel will likely enhance your riding experience and extend the life of your bike. However, if you are unsure, consider testing the wheel on a friend s bike or consulting with experienced riders before committing to the purchase.
These wheels are brand new never used, They were purchased for a 2019 Yamaha Sidewinder.