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  2. sku: 17608012151992881
  3. ROCKSHOX 00.4118.420.004

ROCKSHOX 00.4118.420.004 Sidluxe Ultimate Rear Shock Pos Remote 190X40MM 430ML

00.4118.420.004 Rockshox Sidluxe Ultimate Rear Shock 2 Pos Remote 190x40mm 430ml

( Brand: Rockshox ), ( Part Type: Remote ), ( Color: Black ), ( Set Includes: Rear Shock ), ( Material: Aluminum ), ( Item Length: 190 Mm ), ( Shock Type: Air Shock ), ( Manufacturer Warranty: 2 Years ), ( Compatible Bike Type: Mountain Bike ), ( Stroke Length: 40 ), ( UPC: 004118420004 )

Review ROCKSHOX Sidluxe Ultimate Rear Shock Pos Remote 190x40mm 430ml

The **RockShox SID Ultimate Rear Shock (Part #00.4118.420.004)** is a cutting-edge, high-performance suspension component designed to elevate the capabilities of modern mountain bikes, enduro rigs, and aggressive trail bikes to new heights. Engineered with RockShox s legendary precision and innovation, this **SID Luxe Ultimate** shock stands as a benchmark in rear suspension technology, offering an unparalleled blend of damping sophistication, durability, and rider control. Built around a **190mm x 40mm bore diameter** and a **430ml volume**, this shock is a powerhouse of efficiency, delivering seamless tuning and responsiveness across a wide range of terrains from technical singletrack to high-speed descents and heavy-duty enduro laps.

At its core, the SID Ultimate features RockShox s **SID (Selectable Internal Damping)** technology, which allows riders to fine-tune damping characteristics with the push of a button. The **Luxe Ultimate** variant takes this a step further by incorporating **adaptive damping** through RockShox s proprietary **Dual Path Air (DPA) technology**, which dynamically adjusts stiffness and rebound to match the demands of the terrain. This ensures that whether you're navigating a root-laden trail, hitting a steep drop, or pedaling hard on climbs, the shock remains perfectly attuned to your input. The **remote-controlled tuning** (via the included **00.4118.420.004** position remote) grants instant access to multiple damping modes, including **Compression (Low/High Speed), Rebound, and Air Pressure adjustments**, allowing for on-the-fly customization without the need for a tool.

Constructed from **high-grade aluminum and reinforced steel**, the SID Ultimate is built to withstand the rigors of aggressive riding, offering exceptional durability while maintaining a lightweight profile. The **sleek, aerodynamic design** not only enhances performance but also contributes to a clean, modern aesthetic that complements high-end mountain bike builds. The **430ml air volume** provides ample adjustment range for riders of varying weights and preferences, ensuring optimal support and comfort whether you're a lightweight rider seeking nimble handling or a heavier rider demanding maximum stability. The shock s **sealed, maintenance-free design** eliminates the need for frequent servicing, while the **self-centering mechanism** ensures consistent performance over time.

For riders who demand the absolute best in rear suspension technology, the SID Ultimate is a game-changer. Whether paired with a hardtail or a full-suspension bike, this shock delivers **superior control, efficiency, and adaptability**, making it an ideal choice for serious enduro riders, downhill enthusiasts, and those pushing the limits of trail riding. With its **precision engineering, intuitive tuning, and unmatched performance**, the RockShox SID Ultimate Rear Shock is not just an upgrade it s a revolution in suspension technology.

The **RockShox SID Ultimate (00.4118.420.004)** is a high-end, fully adjustable rear shock designed for aggressive trail and enduro riding. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Premium Build Quality and Materials**

- Uses high-grade aluminum and titanium components, ensuring durability and a premium feel.

- The **SID (Single Interface Damper)** design reduces internal slop, improving responsiveness and tuning precision.

2. **Extreme Adjustability**

- **Remote Control (SIDLuxe Ultimate)**: Allows real-time adjustments for rebound, compression (low and high-speed), and sag without touching the shock.

- **Full-range adjustability** for sag (0-100%), rebound (10-100%), and compression (clicker and remote-controlled).

- **Air pressure adjustment** (via remote) allows fine-tuning stiffness for different riders or conditions.

3. **Superior Damping Performance**

- **High-performance damping** with a **430ml reservoir** (large for a rear shock) ensures consistent cooling and performance under heavy loads.

- **Progressive valve tuning** provides smooth, controlled damping across a wide range of speeds and impacts.

4. **Durability and Longevity**

- Built for **aggressive riding**, including jumps, drops, and heavy trail abuse.

- **Sealed internals** reduce maintenance needs compared to lower-end shocks.

5. **Compatibility and Fitment**

- **190x40mm** axle spacing is standard for modern hardtail and full-suspension bikes, making it widely compatible.

- **Threaded end link** allows for easy installation and adjustment.

6. **Remote Control Convenience**

- The **SIDLuxe Ultimate** remote is one of the most advanced on the market, offering **wireless, real-time tuning** without stopping.

- Useful for **quick adjustments** during rides, improving ride feel and performance.

7. **Brand Reputation**

- RockShox is a leader in suspension technology, known for **innovation, reliability, and performance** in both trail and downhill riding.

---

### **Cons**

1. **High Cost**

- This is an **expensive shock**, often priced **$1,500 $1,800 ** depending on retailer and region.

- For casual or recreational riders, the cost may not justify the performance gain.

2. **Complexity for Beginners**

- The **remote control and extensive adjustability** can be overwhelming for new riders.

- Requires **time to learn optimal settings**, which may frustrate those seeking a "plug-and-ride" solution.

3. **Weight**

- While not excessively heavy, it is **lighter than some older models** (due to modern materials), but still **heavier than carbon fiber shocks** (e.g., Fox DHX or DTU).

- For weight-sensitive riders (e.g., cross-country), this may be a minor drawback.

4. **Maintenance Requirements**

- Like all high-end shocks, it **requires periodic servicing** (seal replacements, valve adjustments) to maintain peak performance.

- Not as "set-and-forget" as lower-end shocks.

5. **Overkill for Some Riders**

- If you primarily ride **light trails, gravel, or casual enduro**, a **mid-range shock** (e.g., RockShox Deluxe, Fox DHX, or Suntour XCR) may offer **similar performance at a fraction of the cost**.

- The **SID Ultimate s extreme adjustability** is best utilized by **serious riders who frequently tweak settings**.

6. **Remote Battery Dependency**

- The **SIDLuxe remote requires batteries**, which must be replaced periodically.

- If the remote fails mid-ride, adjustments become manual (less convenient).

7. **Limited Aftermarket Support**

- While RockShox parts are widely available, **custom tuning or modifications** (e.g., valve swaps) are more complex than on simpler shocks.

---

### **Conclusion**

The **RockShox SID Ultimate (00.4118.420.004)** is one of the **best rear shocks** for **aggressive trail, enduro, and downhill riding**, offering **unmatched adjustability, durability, and performance**. It is ideal for:

- **Serious riders** who prioritize **fine-tuning and extreme performance**.

- **Those who frequently adjust sag, rebound, and compression** during rides.

- **Riders who demand the latest suspension technology** and are willing to invest in premium components.

However, it is **not necessary** for:

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

- **Budget-conscious buyers** who can achieve similar results with a **mid-range shock** (e.g., RockShox Deluxe, Fox DHX).

- **Weight-sensitive riders** who prefer lighter carbon shocks (though the SID Ultimate is already quite light for a steel shock).

---

### **Recommendation**

**Buy the RockShox SID Ultimate if:**

You ride **aggressively** (jumps, drops, technical trails).

You **frequently adjust your suspension** and want **wireless, real-time tuning**.

You **prioritize durability and premium build quality** over cost.

You have a **budget** that allows for a high-end suspension upgrade.

**Consider alternatives if:**

You ride **mostly light trails or gravel** a **RockShox Deluxe, Fox DHX, or Suntour XCR** will suffice.

You **don t want to deal with complex tuning** simpler shocks are easier to set up.

You re on a **tight budget** look for **used/refurbished models** or **mid-range shocks** with similar performance.

**Final Verdict:**

For **elite trail and enduro riders**, the **RockShox SID Ultimate is a top-tier choice** that delivers **superior performance and adjustability**. However, it is **not essential** for everyone, and cost-effective alternatives exist for less demanding riders. If you re serious about **maximizing your bike s potential**, it s a **worthwhile investment**. Otherwise, a **mid-range shock** may provide **80% of the performance at 40% of the cost**.

Details:

The RockShox SIDLuxe Ultimate Rear Shock is a high-quality aluminum shock designed for mountain bikes. Recently serviced with fresh air can seals and RockShox oil, ready to ride. It comes in a sleek black color. With an eye-to-eye measurement of 190mm and a stroke length 40mm, this air shock offers smooth controlled ride in the lightest possible package.

part #: 004118420004 prices

  • $461.30-$470.00

specifications ribicycl:

  • brand: Rockshox
  • part type: Remote
  • color: Black
  • set includes: Rear Shock
  • material: Aluminum
  • item length: 190 Mm
  • shock type: Air Shock
  • manufacturer warranty: 2 Years
  • compatible bike type: Mountain Bike
  • stroke length: 40
  • upc: 004118420004

seller ribicycl:

  • # reviews: 130
  • rating: 100.0%
  • city: Cedar Falls, Iowa

returns ribicycl:

  • policy: No Returns

general ribicycl:

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

offer ribicycl:

  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1
  • started: April 20, 2026
  • best offers: True

shipping ribicycl:

  • cost: $6.68
  • transit: 3-9 Days
  • class: Standard
  • service: USPS Ground Advantage
  • type: Calculated
  • carrier: USPS

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part type: remote, set includes: rear shock, item length: 190 mm, shock type: air shock, manufacturer warranty: 2 years, compatible bike type: mountain bike, stroke length: 40,
category: sporting goods > cycling > bicycle components parts > rear shocks, color: black, material: aluminum, sku: 17608012151992881,
Rockshox 00.4118.420.004 Is Similar To:
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2 offers $461.30–$470.00 USD
  • Nuovo. Offer #1 priced at $470.00 + $26.58 shipping estimate = $496.58* total. +$26.58 shipping
  • Nuovo. Offer #2 priced at $461.30 + $26.58 shipping estimate = $487.88* total. +$26.58 shipping

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