FOX 803-03-091 Triad Air Rear Shock Mountain Bike 7.5 2.0 Black/silver

( Brand: Fox ), ( Manufacturer Part Number: 803-03-091 ), ( Part Type: Air Bike ), ( Eye To Eye Measurement: 7.5 In ), ( Color: Black, Silver, Blue, Red ), ( Material: Aluminum ), ( Set Includes: Rear Shock ), ( Shock Type: Air Shock ), ( Item Height: 1.25 In ), ( Compatible Bike Type: Mountain Bike ), ( Stroke Length: 2.0 In ), ( Item Weight: 0.5 Lb ), ( Item Width: 2 In )

Review FOX Triad Air Rear Shock 7.5 2.0 Mountain Bike Black/silver

The **Fox 36 Factory Triad Air Rear Shock (Model 803-03-091)** is a high-performance, air-sprung suspension component designed to elevate the capabilities of modern mountain bikes, particularly those built for aggressive trail riding, enduro, or downhill disciplines. Engineered with Fox s signature precision and innovation, this rear shock combines cutting-edge technology with rugged durability to deliver an unmatched balance of comfort, control, and responsiveness. The **7.5-inch travel** and **2.0-inch axle width** make it an ideal fit for full-suspension bikes targeting the demanding demands of steep descents, technical terrain, and high-speed jumps, while its sleek **black/silver finish** adds a premium aesthetic to the build. At the heart of this shock lies the **Triad Air** system, a sophisticated air-spring mechanism that allows riders to fine-tune their suspension performance with remarkable precision. The **adjustable air pressure** via Fox s proprietary **Triple-Tune** system comprising air pressure, rebound damping, and compression damping enables riders to dial in a setup that adapts seamlessly to varying conditions, from loose, bumpy trails to firm, technical descents. The **compression damping** is finely tuned to prevent bottoming out under heavy loads while maintaining a snappy, engaging feel, ensuring the bike remains planted and predictable even at the limits of its travel. Meanwhile, the **rebound damping** is optimized to promote quick reset, reducing fatigue and improving pedal efficiency on climbs while maintaining control during aggressive descents. Constructed from high-grade materials, the **803-03-091** features a **steel body** for durability and stiffness, paired with a **black anodized finish** that resists corrosion and wear, ensuring longevity even under the harshest conditions. The shock s **sealed air chamber** and **high-performance seals** minimize air loss and maintain consistent performance over time, while the **adjustable sag** feature allows riders to customize their suspension s working range for optimal comfort and efficiency. Whether tackling double-black-diamond trails, hitting jumps, or navigating technical singletracks, this rear shock delivers the **smoothness, control, and adaptability** required to push the boundaries of what a mountain bike can achieve. Built for riders who demand nothing less than the best, the Fox Triad Air Rear Shock is a testament to Fox s commitment to pushing the limits of suspension technology, offering a blend of performance, reliability, and refinement that sets it apart in the world of high-end mountain bike components.

### **Pros and Cons of buying a Fox 803-03-091 Triad Air Rear Shock (7.5" / 2.0) for Mountain Biking**

1. **High Performance and Reliability** The Fox 803 is a well-established, high-end rear shock designed for aggressive trail and enduro riding. It is built to handle heavy loads, rough terrain, and frequent use without compromising performance.

2. **Adjustable Air Pressure** The Triad Air system allows for precise air pressure adjustments, enabling riders to fine-tune suspension performance for weight, terrain, and riding style. This adaptability improves comfort and control.

3. **High-Speed Compression (HSC)** The shock features high-speed compression damping, which helps maintain stability at high speeds and prevents bottoming out on rough descents.

4. **Durable Construction** Fox shocks are known for their robust build quality, using high-grade materials that resist wear and corrosion, ensuring longevity even under demanding conditions.

5. **Compatibility with Modern Forks** The 7.5" and 2.0" models are designed to work seamlessly with a wide range of high-end mountain bike setups, including those with modern suspension forks.

6. **Brand Reputation** Fox is a trusted name in suspension technology, with a strong track record in professional racing and off-road applications. This gives confidence in the product s performance and support.

7. **Adjustable Sag and Damping** The ability to adjust sag (seatpost compression) and damping settings allows riders to optimize their bike s handling for different conditions, improving efficiency and comfort.

8. **Lightweight Design** Despite its high performance, the shock is relatively lightweight compared to other premium options, reducing unsprung weight and improving overall bike responsiveness.

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1. **High Cost** Fox shocks are among the most expensive rear shocks on the market. The price point may be prohibitive for casual riders or those on a tight budget, especially when compared to mid-range alternatives.

2. **Complexity** The advanced features (such as air pressure adjustments and multiple damping settings) require some technical knowledge to set up correctly. Riders unfamiliar with suspension tuning may struggle to optimize performance.

3. **Maintenance Requirements** High-end shocks like the Fox 803 require regular maintenance, including air pressure checks, damping adjustments, and occasional servicing to ensure optimal function. Neglecting maintenance can lead to reduced performance or premature wear.

4. **Overkill for Casual Riders** If you primarily ride smooth trails or light terrain, the advanced features of this shock may not be necessary. A more affordable shock could suffice without sacrificing performance.

5. **Potential for Over-Tuning** Beginners or inexperienced riders might accidentally misadjust the shock, leading to poor handling or discomfort. Proper tuning is essential to avoid this issue.

6. **Weight Consideration** While the shock is lightweight for its class, it is still heavier than basic coil or low-end air shocks. This may not be a significant factor for most riders but could matter in ultra-lightweight setups.

7. **Limited Availability of Parts** Fox shocks are high-performance components, and replacement parts (e.g., seals, springs) may not be as readily available as those for more common shocks. This could lead to longer wait times for repairs.

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The Fox 803-03-091 Triad Air rear shock is a top-tier suspension component ideal for serious mountain bikers who demand high performance, adjustability, and durability. It excels in aggressive riding conditions, offering superior control, comfort, and longevity. However, its high cost, complexity, and maintenance requirements make it less suitable for casual riders or those with limited mechanical experience.

If you prioritize performance, are willing to invest in a premium component, and can commit to proper tuning and maintenance, this shock is an excellent choice. For riders on a budget or those who don t need advanced features, there are more affordable alternatives that may still deliver solid performance.

- **Buy it if:** You ride aggressively (enduro, downhill, or technical trails), value adjustability and high performance, and can afford the upfront cost and maintenance. It s particularly well-suited for riders who frequently switch between different terrains or weights.

- **Avoid it if:** You re a casual rider, primarily ride smooth trails, or are uncomfortable with the complexity of tuning suspension. In such cases, a mid-range shock (e.g., RockShox Deluxe, Suntour XCR) may offer a better balance of performance and affordability.

- **Consider alternatives:** If budget is a concern, look at Fox s lower-tier models (e.g., 36 or 40 series) or other high-quality brands like RockShox (Lyrik, Delite) or DT Swiss (S-Works shocks) for similar performance at a lower cost.

Details:

Doesn hold air doesn t.

part #: 80303091 price

• $45.00

specifications ribicycl:

• brand: Fox
• mpn: 803-03-091
• part type: Air Bike
• eye to eye measurement: 7.5 In
• color: Black, Silver, Blue, Red
• material: Aluminum
• set includes: Rear Shock
• shock type: Air Shock
• item height: 1.25 In
• compatible bike type: Mountain Bike
• stroke length: 2.0 In
• item weight: 0.5 Lb
• item width: 2 In

offer ribicycl:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: June 11, 2026
• best offers: True
• quantity: 1

shipping ribicycl:

• transit: 6-13 Days
• service: USPS Ground Advantage
• type: Calculated
• carrier: USPS
• class: Standard
• cost: $9.14

returns ribicycl:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days
• method: Money back

payments ribicycl:

• wallet: Paypal
• credit card: Mastercard
• money order
• other

general ribicycl:

• condition: For parts or not working
• Cycling > Bicycle Components Parts > Rear Shocks

seller ribicycl:

• city: Canoga Park, California
• # reviews: 6
• rating: 100.0%

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