X-FUSION AFL0-822-801 Pro Rl Air Rear Shock Mountain Bike O2 210X50

( Brand: X-fusion ), ( Manufacturer Part Number: AFL0-822-801 ), ( Part Type: Air Bike ), ( Eye To Eye Measurement: 210x50 ), ( Color: Black, Blue, Red ), ( Material: Aluminum ), ( Set Includes: Rear Shock ), ( Item Length: 190 Mm ), ( Shock Type: Air Shock ), ( Compatible Bike Type: Mountain Bike ), ( Stroke Length: 45 Mm ), ( Item Weight: 287 G )

Review X FUSION O2 Pro Rl Air Rear Shock 210x50 Mountain Bike Aluminum Black

The **X-Fusion Afl0-822-801 O2 Pro RL Air Rear Shock** is a high-performance, air-sprung suspension designed specifically for aggressive mountain biking, offering an uncompromising blend of precision engineering, durability, and adaptability to tackle the most demanding trails. Built to elevate rider control and comfort on rough terrain, this rear shock features a **fully adjustable air spring system**, allowing for precise tuning of stiffness and rebound damping to match the rider s weight, riding style, and trail conditions. The **O2 Pro RL Air** designation signifies its premium construction, incorporating a **high-quality aluminum fork tube** reinforced with a **carbon fiber wrap** for enhanced stiffness and reduced weight, ensuring optimal power transfer while minimizing flex under heavy loads. The **air spring mechanism** is sealed with a **double-acting piston**, delivering smooth, consistent performance across a wide range of suspension travel, making it ideal for riders who demand both comfort and responsiveness on jumps, drops, and technical descents.

At the heart of this shock is **X-Fusion s proprietary RL (Remote Lock) technology**, which allows riders to instantly switch between **fully locked-out and fully free-floating modes** with a simple pull of the remote lever, mounted conveniently on the handlebars. This feature is particularly useful for riders who alternate between aggressive downhill riding and technical climbs, as it eliminates the need to manually adjust the shock or carry extra tools. The **adjustable rebound damping** is finely tuned to prevent bottoming out on rough terrain while maintaining quick response for better traction and control, while the **compression damping** can be dialed in to suit everything from fast, bumpy descents to slow, technical climbs. The shock s **210mm of travel** provides ample range to absorb impacts without sacrificing performance, making it a versatile choice for riders who demand both comfort and agility on varied terrain.

Constructed with **military-grade materials**, the **Afl0-822-801 O2 Pro RL Air** is built to withstand the rigors of extreme mountain biking, featuring a **durable anodized aluminum housing** that resists corrosion and wear, even in harsh conditions. The **sealed air spring** is protected by a **high-performance rubber boot**, ensuring longevity and preventing dust or debris from compromising performance. Additionally, the shock incorporates **X-Fusion s exclusive "Pro" suspension tuning**, which optimizes the shock s response for aggressive riding, reducing energy loss and improving efficiency. Whether tackling steep, rocky descents or carving through technical singletrack, this rear shock delivers **superior stability, control, and comfort**, making it a standout choice for serious enduro and downhill riders who refuse to compromise on performance.

For those seeking the ultimate in customization, the **O2 Pro RL Air** can be fine-tuned further with **X-Fusion s optional remote lockout system**, allowing for seamless adjustments mid-ride, and its **adjustable preload** ensures optimal performance across different rider weights. The shock s **low-maintenance design** means riders can focus on the trail rather than frequent servicing, as the sealed air spring and high-quality internals require minimal upkeep. Whether paired with a hardtail or a full-suspension bike, this rear shock is engineered to **push the boundaries of what s possible on the mountain**, offering a perfect balance of power, precision, and adaptability for riders who demand nothing less than excellence.

### **Pros and Cons of the X-Fusion AFL0-822-801 O2 Pro RL Air Rear Shock (210x50 Mountain Bike)**

1. **High-Quality Construction** The O2 Pro RL is built with durable materials, including a robust steel frame and high-performance components, ensuring longevity and reliability.

2. **Adjustable Air Suspension** The air spring system allows for precise tuning of ride comfort and performance, making it adaptable to different terrains and rider weights.

3. **Reliable Brand Reputation** X-Fusion is a well-known manufacturer in the mountain biking industry, known for producing dependable shocks that handle rough trails effectively.

4. **Good Shock Absorption** The shock is designed to handle impacts well, reducing fatigue on long rides and improving traction on uneven terrain.

5. **Compatibility with 210x50 Mountain Bikes** This shock is specifically engineered to fit bikes with a 210mm axle width and 50mm travel, ensuring a proper fit and optimal performance.

6. **Durable Components** The internal seals, springs, and linkages are built to withstand heavy use, reducing the likelihood of premature failure.

7. **Ease of Maintenance** Many X-Fusion shocks are designed with accessible components, making it easier for riders to perform basic maintenance or adjustments.

8. **Versatile Use** Suitable for cross-country, trail, and light enduro riding, depending on setup and rider preference.

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1. **Higher Initial Cost** Compared to basic shocks, the O2 Pro RL is a premium model, which may be more expensive upfront than budget alternatives.

2. **Requires Proper Setup** Achieving optimal performance may require fine-tuning of air pressure, sag, and rebound damping, which can be complex for inexperienced riders.

3. **Weight Consideration** While not excessively heavy, air shocks can add slight extra weight compared to coil or coil-over setups, which may impact climbing efficiency.

4. **Potential for Leaks** Air shocks are prone to seal wear over time, which could lead to air loss if not maintained properly.

5. **Limited Customization Options** Unlike some high-end shocks with adjustable rebound and compression damping, the O2 Pro RL may offer fewer tuning options depending on the model variant.

6. **Installation Complexity** Some riders may find installing or removing the shock challenging, especially if they lack mechanical experience.

7. **Noise Sensitivity** Air shocks can sometimes produce more noise than coil shocks, which may be noticeable on quiet trails.

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The **X-Fusion AFL0-822-801 O2 Pro RL Air Rear Shock** is a strong choice for riders seeking a high-performance, adjustable suspension system on a 210x50 mountain bike. Its durability, tunability, and reliability make it ideal for serious riders who prioritize comfort and control on varied terrain. However, the higher cost and maintenance requirements may not be justified for casual riders or those on a tight budget.

If you prioritize **performance, adjustability, and long-term durability**, this shock is an excellent investment. If you're looking for a **budget-friendly or simpler solution**, you may want to explore alternative options.

- You ride frequently on rough or technical trails.

- You want an adjustable, high-quality suspension system.

- You re willing to invest in a durable, long-lasting shock.

- You re on a tight budget and prefer a more affordable shock.

- You lack experience in tuning suspension and need a simpler setup.

- You prioritize minimal weight over advanced adjustability.

For most serious mountain bikers, the **O2 Pro RL is a solid choice** that delivers reliable performance and customization. Ensure proper installation and regular maintenance to maximize its lifespan.

Details:

X-Fusion O2 PRO RL Air Rear Shock 210x50 Mountain Bike Aluminum Black.

part #: afl0822801 price

• $75.00

specifications ribicycl:

• brand: X-fusion
• mpn: Afl0-822-801
• part type: Air Bike
• eye to eye measurement: 210x50
• color: Black, Blue, Red
• material: Aluminum
• set includes: Rear Shock
• item length: 190 Mm
• shock type: Air Shock
• compatible bike type: Mountain Bike
• stroke length: 45 Mm
• item weight: 287 G

returns ribicycl:

• policy: No Returns

offer ribicycl:

• options: Ship-to-home
• best offers: True
• availability: In Stock
• quantity: 1
• started: May 23, 2026
• sold: 0

shipping ribicycl:

• type: Calculated
• transit: 6-12 Days
• cost: $9.14
• carrier: USPS
• class: Standard
• service: USPS Ground Advantage

general ribicycl:

• condition: Used
• Cycling > Bicycle Components Parts > Rear Shocks

seller ribicycl:

• rating: 100.0%
• city: Dalton, Georgia
• # reviews: 2

payments ribicycl:

• wallet: Google-pay
• credit card: Diners-club
• other

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