Description
Experience unparalleled trail performance with the RockShox Deluxe Ultimate RCT Rear Shock – 165 x 37.5mm, Linear XL, 4 Neg/0 Pos Tokens. This advanced rear shock combines innovative engineering, premium materials, and versatile adjustability to elevate your mountain biking experience.
Premium Materials & Construction
Crafted with a DebonAir+ Linear XL air spring, the Deluxe Ultimate offers a lightweight yet durable design optimized for rugged trail riding. The shock features Maxima Plush damping fluid, which reduces friction for smoother damping performance and minimizes noise for a quieter ride. With an eyelet diameter of 12.7mm and a travel length of 37.5mm, this shock seamlessly integrates into a wide range of mountain bikes, including e-bikes, thanks to its robust construction and high-quality materials.
Advanced Performance & Engineering
Designed for precise tuning, the Deluxe Ultimate RCT provides a complete package of performance features: independent Low Speed Compression adjustment, Low Speed Rebound tuning, and external high-speed compression damping. The bottom-out control system enhances bottom support during aggressive descents, offering a more open, plush feel while eliminating unwanted noise and harshness. Its linear air can offers extensive tuning range, ensuring optimal performance across different terrains and riding styles.
Innovative Components & Technology
Equipped with an easy-access lever to switch between Open and Firm/Lock modes, this shock provides instant adjustment for climbing efficiency or downhill control. The shock also features a shock-mounted lockout switch and 4 Neg/0 Pos tokens, allowing riders to finely tune air volume for optimal sag and responsiveness. Its E-bike approved design means it’s ready for high-demand riding conditions, delivering durability and consistent performance over time.
Versatile Style & Use Case
Whether you’re tackling technical descents, cross-country climbs, or aggressive trail rides, the Deluxe Ultimate RCT adapts to your riding style. It delivers a perfect balance of efficiency and descending prowess, making it ideal for enduro, trail, and e-MTB applications. Its sleek aesthetics complement any modern mountain bike setup, combining form with function.
Key Features at a Glance:
– Lightweight inline design with premium DebonAir+ Linear XL air spring
– Independent Low and High Speed Compression adjustments for tailored performance
– Bottom-out system for better control and noise reduction
– Maxima Plush damping fluid for smoother operation and reduced friction
– Easy-to-use lockout switch for quick mode switching
– E-bike compatibility for rugged, long-distance rides
– Compatible with 165mm eye-to-eye mounting and 37.5mm stroke
Upgrade your mountain biking with the RockShox Deluxe Ultimate RCT Rear Shock-a high-performance, adjustable, and reliable component engineered to improve traction, control, and rider confidence on every trail. Search for RockShox MY26 or RockShox Model Year 26 to ensure compatibility and experience top-tier suspension performance.
- Enhanced performance with DebonAir+ Linear XL air spring technology delivers a lightweight and versatile shock capable of handling aggressive trail riding and downhill descents.
- Engineered for precise tuning, this rear shock features independent Low Speed Compression and Rebound adjustments, allowing riders to tailor the suspension for maximum efficiency, control, or firm lockout as needed.
- Constructed with high-quality materials like Maxima Plush damping fluid, the Deluxe Ultimate RCT provides reduced friction, quieter ride, and increased durability for extended trail sessions and demanding terrains.
- Designed for versatility and style, the 165 x 37.5mm eyelet dimensions and sleek aesthetics make this shock compatible with a wide range of mountain bikes, including e-bikes, offering optimal performance and reliability.
- Innovative features such as bottom-out control, external high and low-speed damping adjustments, and a shock-mounted lockout switch ensure superior handling, enhanced bottom-out resistance, and ride customization on any trail or technical terrain.
| Stroke (mm) | 37.5 |
| Lockout Switch | Shock Mounted Switch |
| Eyelet Diameter (mm) | 12.7 |
| External Adjustments | High Speed Compression Damping |
| External Adjustments | Low Speed Compression Damping |
| External Adjustments | Rebound Damping |
| Positive Spring | Air |
| Eye to eye length (mm) | 165 |
| keyword search | RockShox MY26 , RockShox Model Year 26 |






Reviews
There are no reviews yet.