fits model: Rmk. make: Polaris.

( Brand: Zbroz Racing ), ( Manufacturer Part Number: K101-KHAOS-REAR ), ( Part Type: Spring Shock ), ( Non-domestic Product: No )
The **Zbroz Racing K101-KHAOS Rear Shock Spring Kit** is a meticulously engineered upgrade designed to transform the handling, comfort, and performance of Polaris RMK, Walker Evans Velocity, and other off-road utility vehicles into a more responsive, stable, and aggressive off-roader. This high-performance kit replaces the stock rear shock springs with a set of **KHAOS series coilovers**, crafted from premium-grade, high-tension steel wire that delivers an unmatched blend of stiffness, durability, and ride quality. The K101-KHAOS springs are precision-wound to offer a progressive, non-linear rate curve, which means they provide a firmer feel under heavy loads while maintaining a plush, compliant ride over rough terrain. This progressive design minimizes bottoming out on rough trails while enhancing articulation and wheel travel, allowing the vehicle to tackle deep ruts, rocks, and uneven surfaces with greater ease and control. The kit is fully compatible with Polaris RMK models and Walker Evans Velocity platforms, ensuring a seamless fit without the need for modifications, though it pairs exceptionally well with Zbroz s own K101-KHAOS rear shock body for a complete off-road suspension upgrade. Whether navigating technical trails, hauling heavy payloads, or pushing the limits in competitive off-roading, these springs deliver a noticeable improvement in stability, cornering grip, and overall vehicle dynamics. Built to withstand the rigors of extreme off-roading, the KHAOS springs feature a robust construction that resists fatigue, warping, and breakage, ensuring long-term reliability even under the most demanding conditions. For riders seeking a balance between comfort and performance, the K101-KHAOS kit is an indispensable addition, elevating the vehicle s capability while maintaining a ride that remains enjoyable and controlled.
The **Zbroz Racing K101-KHAOS Rear Shock Spring Kit** is designed for Polaris RMK, Walker Evans Velocity, and similar off-road motorcycles. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.
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### **Pros**
1. **High-Quality Materials and Construction**
The kit is built with premium components, including high-strength steel springs and durable coilovers. Zbroz Racing is known for using materials that enhance durability and performance, reducing the risk of premature failure.
2. **Improved Ride Comfort and Handling**
The KHAOS series is engineered to provide a smoother ride by absorbing impacts better than stock shocks. This can reduce rider fatigue on rough terrain, making long rides more comfortable. The progressive spring rate also helps maintain stability at higher speeds.
3. **Enhanced Off-Road Performance**
The kit is designed for aggressive off-road use, offering better articulation and control in rough conditions. The adjustable damping (if paired with compatible shocks) allows riders to fine-tune the suspension for their riding style, whether it s trail riding, enduro, or motocross.
4. **Compatibility with Aftermarket Upgrades**
The kit is designed to work with other Zbroz Racing components, such as their shock absorbers (if you re running them). This makes it easier to build a fully customized suspension setup for your bike.
5. **Durability and Longevity**
Zbroz Racing components are generally built to last, especially when properly maintained. The springs in this kit are designed to withstand the stresses of off-road riding, reducing the need for frequent replacements.
6. **Better Weight Distribution**
The improved suspension can help balance the bike s weight, leading to better handling and maneuverability, especially in technical terrain.
7. **Positive User Feedback**
Many riders report noticeable improvements in ride quality, control, and durability after installing this kit. Reviews often highlight its ability to handle rough terrain better than stock components.
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### **Cons**
1. **Cost**
The Zbroz Racing K101-KHAOS spring kit is more expensive than stock or basic aftermarket alternatives. For riders on a tight budget, this may be a significant investment, especially if they re not yet committed to a full suspension upgrade.
2. **Installation Complexity**
While not overly difficult, installing this kit requires some mechanical skill and access to the necessary tools. If the rider lacks experience with suspension work, they may need to seek professional help, which adds to the cost.
3. **Limited Adjustability Without Full Kit**
The spring kit alone does not include damping adjustments. To fully customize the suspension, you would need to pair it with Zbroz Racing or another brand s shock absorbers, which increases the overall cost.
4. **Potential for Overkill for Mild Riding**
If the rider primarily uses the bike for light trail riding or commuting, the aggressive nature of the KHAOS springs may feel too stiff or harsh. In such cases, a more moderate spring rate might be preferable.
5. **Compatibility Concerns**
While the kit is designed for Polaris RMK, Walker Evans Velocity, and similar bikes, there is always a risk of fitment issues if the bike has been heavily modified or if the kit is not the exact match for the model. Double-checking compatibility before purchase is essential.
6. **Maintenance Requirements**
Like any high-performance suspension, the KHAOS kit requires regular maintenance, including checking for leaks, lubricating seals, and ensuring proper tension. Neglecting maintenance can lead to premature wear or failure.
7. **Weight Addition**
While the springs themselves are durable, the overall weight of the kit may slightly increase the bike s weight compared to stock components. This could have a minor impact on acceleration and handling, though the benefits of the suspension upgrade usually outweigh this drawback.
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### **Conclusion**
The **Zbroz Racing K101-KHAOS Rear Shock Spring Kit** is a high-quality, performance-oriented upgrade for off-road motorcycles like the Polaris RMK and Walker Evans Velocity. It offers significant improvements in ride comfort, handling, and durability, making it a strong choice for riders who prioritize aggressive off-road performance. However, the cost, installation requirements, and potential overkill for mild riding conditions are factors to consider.
If you re looking to enhance your bike s suspension for serious off-road use and can invest in a premium kit, this is an excellent choice. For riders who prefer a more budget-friendly or milder upgrade, alternatives like stock springs or lower-cost aftermarket options might be more suitable.
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### **Recommendation**
**Buy the Zbroz Racing K101-KHAOS Rear Shock Spring Kit if:**- You ride your Polaris RMK or Walker Evans Velocity aggressively on rough terrain.
- You re willing to invest in a high-quality suspension upgrade for improved comfort and control.
- You plan to pair it with compatible shock absorbers for full adjustability.
- You have the mechanical skill or access to a professional to install it properly.
**Avoid or consider alternatives if:**- You re on a tight budget and can t justify the cost.
- Your riding style is mostly mild or on-pavement.
- You re unsure about installing suspension components yourself.
- You prefer a more conservative spring rate for everyday use.
For riders who want the best of both worlds, pairing this spring kit with Zbroz Racing s shock absorbers would provide the most comprehensive upgrade. Always ensure compatibility with your specific bike model and consult with experienced riders or mechanics before making a final decision.
ATV, UTV, dirt bikes, and off-road vehicles. This standard 160lb 220lb 36 W.E. Stock springs are too soft for most riders. Zbroz Rear Shock Spring Kit.
Manufacturer Part Number: K101-KHAOS- REAR. Polaris RMK AXYS Mountain Sleds - 2019-2024. Sled Fitment. This price includes the 2 springs and accessories pictured here.
Placement- Rear Shocks.