FOX 910-21-356 Performance Elite Suspension Fork 821973504216 Sl 36 140 110

( Brand: Fox ), ( Manufacturer Part Number: 910-21-356 ), ( Part Type: Fork ), ( Wheel Size: 29 In ), ( Fork Type: Suspension ), ( Suspension Travel: 140 Mm ), ( Item Width: 110 Mm ), ( UPC: 821973504216 )

Review FOX 36 Performance Elite Suspension Fork 29 Inch 140mm 110

The **Fox 910-21-356 36 SL Performance Elite Suspension Fork** is a cutting-edge, high-performance fork designed to deliver unparalleled comfort, responsiveness, and control for aggressive riding on 29-inch mountain bikes. Engineered for riders seeking the ultimate blend of speed, precision, and durability, this fork is part of Fox s elite lineup, featuring a **36mm stanchion diameter** paired with a **140mm travel** setup, making it an ideal choice for riders tackling technical descents, aggressive trail riding, or even light enduro applications. The **SL (Slow Lockout) technology** integrated into this fork allows riders to seamlessly transition between full suspension travel and a locked-out position, enhancing efficiency on long descents while maintaining the ability to engage the suspension for better control when needed. Built with a **356mm axle width**, this fork ensures stability and compatibility with modern wheel setups, while the **110mm crown width** provides a robust foundation for absorbing high-impact forces, whether hitting rocky terrain or jumping over obstacles.

At the heart of this fork s performance is Fox s **Performance Elite damping system**, which combines **adjustable rebound and compression damping** to fine-tune the fork s response to rider input. The **Fork Sensor** integration allows for real-time adjustments via Fox s **Fork Sensor app**, enabling riders to optimize damping settings for different conditions whether it s a loose, bouncy trail or a tight, technical descent. The **36mm stanchions** are constructed from high-grade aluminum, reinforced with **carbon fiber wraps** in critical areas to enhance stiffness and reduce weight without compromising durability. This design ensures that the fork remains responsive under heavy loads while minimizing flex, even when subjected to extreme forces.

The **SL (Slow Lockout) mechanism** is a standout feature, offering riders the flexibility to engage or disengage the suspension lockout with a simple twist of the lockout knob. This allows for a seamless transition from full suspension engagement ideal for absorbing rough terrain to a locked-out state for increased efficiency and stability on long descents or when riding in a more aggressive, speed-focused manner. The **36mm stanchion diameter** not only improves stiffness but also enhances heat dissipation, ensuring consistent performance across extended rides without damping degradation.

Built for durability, the **910-21-356 36 SL Performance Elite** features **Fox s signature high-performance components**, including **sealed cartridge damping** for long-lasting reliability and **high-strength steel axles** that resist bending under extreme stress. The fork s **140mm travel** strikes an excellent balance between absorption and control, making it suitable for riders who demand both comfort and responsiveness without sacrificing the ability to handle aggressive terrain. Whether navigating steep climbs, technical singletracks, or fast descents, this fork provides the precision and confidence needed to push the limits of performance.

For riders who demand the best in suspension technology, the **Fox 910-21-356 36 SL Performance Elite** delivers a perfect marriage of innovation, adjustability, and raw capability. Whether used on a trail bike, enduro rig, or even a lightweight cross-country setup, this fork ensures that every ride is met with the confidence of knowing you re equipped with one of the most advanced suspension systems available. With its **Fox Sensor compatibility, SL lockout, and elite-level damping**, this fork isn t just an upgrade it s a game-changer for serious mountain bikers.

### **Pros and Cons of the Fox 910-21-356 36 SL Performance Elite Suspension Fork (29", 140mm, 15 ) for Downhill/Enduro Biking**

1. **Premium Performance for Extreme Terrain** The **910 Performance Elite** is designed for aggressive downhill and enduro riding, offering superior control on rough, technical descents. Its **36mm stanchion diameter** provides exceptional stiffness and damping precision, reducing bottom-out and improving feedback.

2. **Advanced Damping Technology** Features **Fox s proprietary SL (Super Low) damping system**, which allows for ultra-smooth, progressive damping across a wide range of speeds. This reduces harshness on rough terrain while maintaining responsiveness.

3. **High-Speed Stability** The **36mm stanchion** and optimized rebound tuning make this fork excel in high-speed situations, reducing fork dive and maintaining consistency at extreme speeds.

4. **Durability & Build Quality** Constructed with **high-grade aluminum and reinforced components**, this fork is built to withstand heavy abuse. The **sealed cartridge system** ensures long-lasting performance with minimal maintenance.

5. **Adjustable Rebound & Compression** Offers **adjustable rebound damping** (via the rebound adjuster) and **compression damping** (via the SL valve), allowing riders to fine-tune performance for different conditions and riding styles.

6. **Compatibility with High-Performance Wheels** The **140mm travel** is ideal for aggressive downhill and enduro bikes, pairing well with wide, knobby tires for maximum traction.

7. **Lightweight Yet Sturdy** While not the lightest fork on the market, it strikes a balance between weight and structural integrity, making it suitable for riders who prioritize performance over minimal weight.

8. **Fox s Reputation for Reliability** Fox is a leader in suspension technology, and this fork benefits from years of refinement in downhill and enduro applications.

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1. **High Cost** This is an **expensive fork**, often priced in the **$1,500 $1,800 range** depending on retailer and accessories. It may be overkill for casual or recreational riders who don t need extreme downhill performance.

2. **Maintenance Requirements** Like all high-performance suspension forks, it requires **regular servicing** (sealing, damping adjustments, and oil changes) to maintain optimal performance. Neglecting maintenance can lead to premature wear.

3. **Weight** While not excessively heavy, it is **notoriously heavy** compared to entry-level forks. This can affect climbing performance, though many downhill riders prioritize performance over weight.

4. **Complexity for Beginners** The **adjustable damping** can be overwhelming for new riders who may not fully understand how to tune it effectively. Proper setup often requires experience or professional help.

5. **Limited Travel for Some Riders** At **140mm**, this fork is well-suited for aggressive downhill but may feel **underwhelming** for riders who prefer longer-travel forks (e.g., 160mm ) in extreme conditions.

6. **Potential for Overkill** If you don t ride **extreme downhill or enduro frequently**, the performance benefits may not justify the cost compared to a more affordable, still-capable fork (e.g., Fox 36 or RockShox Lyrik).

7. **Compatibility Issues** Ensure your bike frame and wheelset are **compatible** with the fork s **15 steering angle** and axle standards (e.g., 12x100mm or 12x142mm). Some bikes may require modifications.

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### **Conclusion & Recommendation**

The **Fox 910-21-356 36 SL Performance Elite** is one of the best **high-performance downhill forks** available, offering unmatched stability, damping precision, and durability for aggressive riding. It is ideal for **serious downhill and enduro riders** who demand the absolute best in suspension technology and are willing to invest in a premium component.

- **Casual or recreational riders** who don t need extreme performance.

- **Budget-conscious buyers** who can find equally capable (though slightly less refined) forks at a lower cost.

- **Riders who prioritize weight savings** over raw performance.

- **Those unfamiliar with suspension tuning**, as proper setup is crucial for optimal performance.

- **Buy it if:** You ride **aggressive downhill or enduro**, have the budget, and want the best possible fork for extreme conditions.

- **Consider alternatives if:** You re on a tighter budget (e.g., **Fox 36, RockShox Super Deluxe, or DT Swiss SLR** for slightly less but still high-performance options).

- **Pair it with:** A **high-quality downhill bike frame**, **wide knobby tires**, and **proper maintenance** to maximize its potential.

For most **competitive downhill riders**, this fork is a **worthwhile investment** that will significantly enhance ride quality and confidence on technical terrain. For everyone else, a slightly less expensive but still capable fork may be a more practical choice.

Details:

Long 7 3/4 steered. Just over 200 miles on it, excellent condition.

part #: 91021356 prices

• $1049.00-$1532.18

specifications ribicycl:

• brand: Fox
• mpn: 910-21-356
• part type: Fork
• wheel size: 29 In
• fork type: Suspension
• suspension travel: 140 Mm
• item width: 110 Mm
• upc: 821973504216

general ribicycl:

• condition: Used
• Cycling > Bicycle Components Parts > ks

seller ribicycl:

• city: Spokane, Washington
• # reviews: 1783
• rating: 100.0%

offer ribicycl:

• started: March 7, 2026
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0

payments ribicycl:

• credit card: Diners-club
• other
• wallet: Paypal

returns ribicycl:

• policy: No Returns

shipping ribicycl:

• transit: 4-9 Days
• service: Economy
• type: Fixed
• cost: $12.00
• class: Economy

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