FOX 853-21-020 Burandt Shock Snowmobiles Float Evol Qs Kit 1.5

( Brand: Fox ), ( Manufacturer Part Number: 853-21-020 ), ( Part Type: Shock )

Review FOX Burandt Series Shock Kit Snowmobiles 1.5 Float Evol Qs

The **Fox 853-21-020 Burandt Shock Kit** is a high-performance, precision-engineered suspension solution specifically designed for the **1.5 Float Evol QS** snowmobile, offering riders a seamless blend of comfort, control, and off-pavement capability. Built to enhance the handling dynamics of this versatile machine, this shock kit features Fox s renowned **Burandt** technology, a cutting-edge suspension system optimized for aggressive riding, deep snow, and technical terrain. The kit includes a **single shock absorber** with a **100mm travel** stroke length, carefully tuned to absorb impacts while maintaining responsiveness, ensuring a smoother ride over rough surfaces and improving traction in challenging conditions. Constructed with **high-grade aluminum** and reinforced components, the shock is both lightweight and durable, reducing unsprung weight without compromising structural integrity. Its **adjustable rebound and compression damping** allows riders to fine-tune the suspension to their weight, riding style, and terrain preferences, whether they re carving through powder, navigating icy trails, or tackling steep climbs. The **Burandt system** incorporates a **sealed, maintenance-free design**, eliminating the need for frequent adjustments or fluid top-offs, while its **robust seals and internals** ensure longevity even under extreme conditions. Whether you're pushing the limits on backcountry adventures or refining your performance on groomed tracks, this shock kit delivers a noticeable upgrade in stability, ride quality, and overall snowmobile responsiveness. Ideal for riders seeking a balance between comfort and control, the Fox 853-21-020 is a standout choice for those who demand the best in suspension technology for their **1.5 Float Evol QS**.

### **Pros and Cons of the Fox 853-21-020 Burandt Shock Kit for Snowmobiles (1.5 Float, Evol QS)**

1. **High-Quality Construction** Fox is a well-respected brand in off-road suspension, known for durable, precision-engineered components. The Burandt shock kit is designed for performance-oriented riders who demand reliability.

2. **Customizable Damping** The 853-21-020 model features adjustable rebound and compression damping, allowing riders to fine-tune suspension settings for different snow conditions (packed snow, deep powder, or icy trails). This adaptability improves ride comfort and handling.

3. **Improved Ride Comfort** The shock kit is designed to reduce jarring impacts, making long rides less fatiguing. The progressive valving helps absorb bumps while maintaining stability.

4. **Enhanced Handling & Stability** The shocks are engineered to reduce body roll and improve cornering, which is particularly useful for aggressive riders or those pushing their snowmobile s limits.

5. **Compatibility with 1.5 Float & Evol QS Models** This kit is specifically designed for the **1.5 Float and Evol QS** snowmobile platforms, ensuring a proper fit without modifications.

6. **Durability & Longevity** Fox shocks are built to withstand harsh conditions, reducing the need for frequent replacements. High-quality seals and internals minimize internal wear.

7. **Better Weight Distribution** Properly tuned suspension helps balance weight, improving traction and reducing stress on the drivetrain.

8. **Aftermarket Support & Tuning Options** Fox offers additional tuning services and accessories, allowing riders to further optimize performance if needed.

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1. **Higher Upfront Cost** Compared to OEM or basic aftermarket shock kits, Fox shocks are more expensive. The price reflects their premium build quality and performance benefits.

2. **Installation Complexity** While not overly difficult, replacing stock shocks with Fox units may require some mechanical skill, especially if adjusting sag or preload settings. Professional installation is recommended for optimal results.

3. **Potential Learning Curve for Tuning** Adjusting the rebound and compression dampening requires understanding how different settings affect ride feel. Riders unfamiliar with suspension tuning may need to experiment to find the best settings.

4. **Limited Availability of Parts** If something goes wrong (e.g., a leak or internal failure), finding replacement parts or service centers may be harder than for more common brands.

5. **Not a Universal Fit** While it works well for the **1.5 Float and Evol QS**, it is not compatible with other snowmobile models. Buyers must confirm exact fitment before purchasing.

6. **Maintenance Requirements** Like any high-performance suspension, Fox shocks benefit from regular maintenance (e.g., checking for leaks, adjusting sag, and cleaning seals). Neglecting maintenance can reduce lifespan.

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The **Fox 853-21-020 Burandt Shock Kit** is a **superior choice** for riders who prioritize **performance, comfort, and durability** in their snowmobile. Its **adjustable damping, high-quality construction, and platform-specific design** make it ideal for those who frequently ride in varied conditions or push their machines aggressively. However, the **higher cost and installation/tuning requirements** may be drawbacks for budget-conscious or inexperienced riders.

If you **value suspension tuning, long-term reliability, and an improved ride experience**, this kit is a **strong recommendation**. If you re on a tight budget or prefer simpler, no-frills upgrades, you may want to consider **OEM replacements or lower-cost aftermarket alternatives** first.

For **1.5 Float and Evol QS owners** who want a **premium suspension upgrade**, the **Fox 853-21-020 Burandt Shock Kit** is an excellent investment. Pair it with professional installation and tuning for the best results. If you re unsure about tuning, consider starting with a **pre-set kit** or consulting a suspension specialist.

Details:

QSE: Handlebar-mounted button to lockout rear track shock. Position-Sensitive Damping with spiral groove bypass technology for comfort and control. The QSE model includes a handlebar-mounted button to lock out the rear track shock, while QSL version offers similar functionality on select model's. The FOX Ice Scraper Technology FIST helps prevent snow and ice buildup, ensuring consistent performance in cold environments.

Some items pictured may not be included. The QS3 setup provides three different adjustment settings for tailored performance. VPN: 530-1276. MPN: 853-21-020, 853-21-020.

No other parts are included or can be substituted, selected, changed. FOX Ice Scraper Technology FIST to prevent snow and ice buildup. Features: Quick Switch QS technology allows on-the-fly damping adjustments. Actual product may vary from picture.

These shocks are specifically tuned to match his aggressive riding style, delivering exceptional control and adaptability in various snow conditions. Featuring innovative technologies, the shocks incorporate Quick Switch QS technology that allows riders to easily adjust compression damping on fly, enhancing versatility during fast-paced rides. Constructed for durability and precision, these shocks are sold as a pair suitable riders seeking advanced suspension solutions to enhance their snowmobiling experience. QSL: Lockout feature available on select rear track model's.

QS3: Three adjustment settings for customized performance. Sold as a pair, designed for snowmobile suspension enhancement.

part #: 85321020 prices

• $1575.22-$1628.30

specifications snowmobileshocksoi:

• brand: Fox
• mpn: 853-21-020
• part type: Shock

offer snowmobileshocksoi:

• quantity: 5
• started: April 19, 2026
• sold: 0
• options: Ship-to-home
• availability: In Stock

general snowmobileshocksoi:

• Parts Accessories > Snowmobile Parts > Shocks Suspension
• condition: New

seller snowmobileshocksoi:

• city: Danville, Virginia
• rating: 99.9%
• # reviews: 47465

payments snowmobileshocksoi:

• wallet: Google-pay
• other
• credit card: Discover

shipping snowmobileshocksoi:

• service: Standard
• cost: $12.99
• transit: 3-6 Days
• class: Standard
• type: Fixed

returns snowmobileshocksoi:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

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