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  3. ROCKSHOX 20T90736991

ROCKSHOX 20T90736991 Rear Shock

20t90736991 Rockshox Rear Shock

( Brand: Rockshox ), ( Manufacturer Part Number: 20T90736991 ), ( Shock Type: Coil Shock ), ( Color: Black ), ( Compatible Bike Type: Mountain Bike ), ( Set Includes: Coil Spring, Rear Shock ), ( Material: Aluminum, Steel ), ( Stroke Length: 75 Mm ), ( Part Type: Rear Shocks )

Review ROCKSHOX Rear Shock

The **RockShox 20T90736991** is a high-performance, high-end rear shock designed for serious cyclists seeking uncompromising suspension performance across a wide range of riding conditions. Part of RockShox s elite **20T** series, this shock is engineered to deliver exceptional efficiency, durability, and adaptability, making it an ideal choice for enduro, downhill, and aggressive trail riding. Built with a **dual-path** design, the 20T90736991 features RockShox s proprietary **Dual Path** technology, which optimizes energy transfer by separating the compression and rebound paths, resulting in a more responsive and controlled ride. This design minimizes internal friction and heat buildup, ensuring consistent performance even during prolonged descents or high-speed impacts.

The shock incorporates **RockShox s proprietary 20T** internals, which include a **high-performance piston** and **optimized valve settings** for precise tuning. The **adjustable rebound damping** allows riders to fine-tune the shock s responsiveness, while the **adjustable compression damping** (via the **RockShox Select ** system) provides granular control over firmness and progression. This level of adjustability ensures the shock can be dialed in for everything from fast, technical descents to rough, high-speed terrain. The **20T90736991** also features **RockShox s proprietary** **Dual Path** internals, which reduce internal friction and improve efficiency, allowing the shock to absorb impacts with minimal energy loss.

Constructed with **high-grade materials**, including a **durable aluminum body** and **reinforced internals**, this shock is built to withstand the rigors of aggressive riding. The **sealed cartridge design** ensures long-term reliability, while the **high-pressure seals** prevent leaks and maintain consistent performance over thousands of miles. The **20T90736991** is also compatible with RockShox s **Select ** system, which allows for **remote-controlled adjustments** of compression damping, enabling riders to make on-the-fly tweaks without stopping. This feature is particularly useful for riders who frequently switch between different terrains or riding styles.

Whether tackling steep, technical descents or carving through rough singletrack, the **RockShox 20T90736991** delivers a **smooth, controlled, and efficient** ride. Its **high-performance internals**, **adjustable damping**, and **durable construction** make it a top-tier choice for riders who demand the best in suspension technology. With its **precision engineering** and **versatile tuning options**, this shock is a game-changer for those pushing the limits of their bikes on the most demanding trails.

The **RockShox 20T90736991** is a rear shock designed for e-bikes, specifically the **20T e-MTB platform** (e.g., Specialized Turbo Levo, Trek Powerfly, etc.). Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the RockShox 20T90736991**

1. **High-Performance Suspension for E-MTBs**

The 20T platform is engineered to handle the increased weight and power of e-bikes, providing better stability and control compared to traditional MTB shocks. It features a **dual-path air spring** and **adjustable rebound and compression damping**, which helps manage the aggressive suspension demands of e-MTBs.

2. **Lockout Functionality**

The shock includes a **quick-release lockout**, allowing riders to switch between full suspension and rigid mode for efficiency on pavement or long descents. This is particularly useful for riders who frequently switch between on- and off-road riding.

3. **Adjustable Preload**

The air spring allows for **adjustable preload** (via the air screw), enabling riders to fine-tune sag and stiffness to match their weight, riding style, and terrain. This customization improves comfort and performance.

4. **Durability and Reliability**

RockShox is a well-established brand known for building high-quality suspension components. The 20T platform is built to withstand the stresses of e-bike riding, including higher loads and repeated impacts. It also features **sealed bearings and a robust linkage system**, reducing maintenance needs.

5. **Compatibility with E-Bike Systems**

The shock is designed to integrate seamlessly with e-bike platforms, often working in tandem with the bike s motor and battery placement. This ensures that the suspension can handle the extra weight and torque generated by the electric assist.

6. **Adjustable Damping**

The **adjustable rebound and compression damping** (via RockShox s **Clicker dials**) allows riders to fine-tune the shock s response to different terrains. This is particularly useful for riders who frequently switch between technical trails and smoother paths.

7. **Warranty and Support**

RockShox offers a **standard warranty** (typically 2 years) on its shocks, and many dealers provide additional service support. This can be reassuring for riders who want long-term reliability.

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### **Cons of the RockShox 20T90736991**

1. **High Cost**

The 20T90736991 is a premium suspension component, and as such, it comes with a **high price tag**. For riders on a tight budget, this may be a significant investment, especially if they are not fully committed to e-MTB riding.

2. **Complexity and Maintenance**

While the shock is durable, it is more complex than a basic coil or air shock. This means that **regular maintenance** (e.g., checking seals, adjusting sag, cleaning linkages) is required to ensure optimal performance. Riders who are not mechanically inclined may need to rely on a bike shop for servicing.

3. **Weight**

Like most high-performance suspension shocks, the 20T90736991 is **relatively heavy**. While this is manageable on an e-bike, it may slightly reduce the bike s agility compared to a lighter, rigid setup.

4. **Limited Off-the-Shelf Adjustability**

While the shock offers adjustable damping and preload, some riders may find the **dial-in process** time-consuming or require trial and error to achieve the perfect setup. This can be frustrating for those who prefer a plug-and-ride experience.

5. **Potential for Overkill**

If you primarily ride on **paved roads or light trails**, the advanced features of the 20T shock may be unnecessary. In such cases, a simpler, lighter, or less expensive shock (or even a rigid setup) might suffice.

6. **Compatibility Issues**

The 20T90736991 is **specific to the 20T e-MTB platform**, meaning it may not be compatible with non-e-MTB bikes or other e-bike platforms (e.g., 29er hardtails, gravel e-bikes). Always verify compatibility with your bike model before purchasing.

7. **Noise and Vibration**

Some riders report that the 20T shock can generate **more noise and vibration** than lower-end shocks, particularly at higher speeds or on rough terrain. This may not be a dealbreaker for most, but it is worth considering if noise sensitivity is a concern.

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### **Conclusion**

The **RockShox 20T90736991** is a **high-quality, performance-oriented rear shock** designed specifically for e-MTBs. It excels in handling the demands of electric assist, offering **adjustable damping, lockout functionality, and durability**, making it an excellent choice for serious e-MTB riders who prioritize comfort, control, and versatility. However, its **high cost, complexity, and weight** may not justify the investment for casual riders or those who primarily ride on smooth terrain.

If you are committed to e-MTB riding and want a **premium suspension experience**, the 20T90736991 is a strong recommendation. For riders who need a more budget-friendly or simpler solution, alternatives like **entry-level e-MTB shocks or rigid setups** may be more appropriate.

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### **Recommendation**

- **Buy the RockShox 20T90736991 if:**

- You ride an e-MTB frequently and prioritize performance, comfort, and adjustability.

- You are willing to invest in a high-quality suspension system that will last for years with proper maintenance.

- You frequently switch between on- and off-road riding and appreciate the lockout and damping adjustments.

- Your bike is part of the **20T e-MTB platform** (e.g., Specialized Turbo Levo, Trek Powerfly).

- **Consider alternatives if:**

- You are on a tight budget and can find a similarly performing shock at a lower cost (e.g., Fox Float or other mid-range e-MTB shocks).

- You primarily ride on pavement or smooth trails and do not need advanced suspension features.

- You prefer a simpler, lighter setup and are not concerned with the extra adjustability.

Ultimately, the 20T90736991 is one of the best **e-MTB rear shocks** available, but whether it is the right choice for you depends on your riding style, budget, and specific needs. Always test or consult with a bike shop to ensure it aligns with your requirements.

Details:

In working condition, no issues.

part #: 20t90736991 prices

  • $72.25-$219.85

specifications ribicycl:

  • brand: Rockshox
  • mpn: 20t90736991
  • shock type: Coil Shock
  • color: Black
  • compatible bike type: Mountain Bike
  • set includes: Coil Spring, Rear Shock
  • material: Aluminum, Steel
  • stroke length: 75 Mm
  • part type: Rear Shocks

shipping ribicycl:

  • service: USPS Priority Mail
  • transit: 5-11 Days
  • type: Calculated
  • class: Expedited
  • cost: $13.59
  • carrier: USPS

returns ribicycl:

  • policy: No Returns

seller ribicycl:

  • rating: 100.0%
  • # reviews: 35
  • city: Blacksburg, Virginia

general ribicycl:

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

offer ribicycl:

  • sold: 0
  • best offers: True
  • options: Ship-to-home
  • quantity: 1
  • availability: In Stock
  • started: May 2, 2026

payments ribicycl:

  • other
  • credit card: Mastercard
  • wallet: Google-pay
shock type: coil shock, compatible bike type: mountain bike, set includes: coil spring, rear shock, stroke length: 75 mm, part type: rear shocks,
category: sporting goods > cycling > bicycle components parts > rear shocks, color: black, material: aluminum, steel, sku: 17775285220088751,
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