What is the RIB03S?
The RIB03S is a suspension kit with jockey seat designed to improve comfort and safety on board boats, particularly RIBs and open hulls.
This kit includes a technologically advanced suspension system and an ergonomic jockey seat, offering significant wave shock reduction and comfortable seating.
It also comes with an preload adjustement key and a textil cover to protect the seat when not in use.
Who is the RIB03S suitable for?
The 4S RIB03S is designed for boat owners, professional skippers, charter operators and RIB users looking for a jockey seat with integrated suspension to reduce vertical shock and improve seating comfort on fast boats.
Typical users are :
- RIB owners ;
- professional skippers ;
- charter operators ;
- boatbuilders ;
- refit companies ;
- high-speed open boats
Suitable boat types
- Rigid Inflatable Boats (RIBs) (Zeppelin, OSPREY, Narwhal)
- Open motorboats
- High-speed boats
- Offshore boats
- Professional passenger boats (Coast Guards – Affaires maritimes Françaises)
- Charter / excursion boats (Black Tenders)
Technical Specifications – 4S RIB03S
| Specification | RIB03S |
|---|---|
| Brand | 4S – Scandinavian Seat Suspension Systems |
| Model | RIB03S |
| Product type | Jockey seat with integrated marine suspension system |
| Application | RIBs, rigid inflatable boats, open motorboats and high-speed boats |
| Seat height | 650 mm / 26 in |
| Adjustable passenger weight | 50–130 kg / 110–285 lb |
| Product weight | 16.5 kg / 36 lb |
| Deck mounting plate | 290 × 225 mm / 11.5 × 9 in |
| Deck fixing | 8 × M8 fixing points |
| Suspension adjustment | Adjustable preload according to passenger weight |
| Suspension frame material | 6061-T6 marine-grade aluminium |
| Stainless steel components | AISI / SUS 316 / 316L stainless steel |
| Seat padding | Marine memory foam |
| Seat upholstery | Marine-grade vinyl |
| Optional grab rail | GR3 front grab rail |
| Height extensions | NS0001 (+80 mm) and NS0004 (+250 mm) |
| Standard | ABYC H-31 – Type AO |
| SKU | RIB03-S |
🔍 Features
- Advanced suspension technology: The suspension system reduces the vertical acceleration generated by motor navigation, minimizing G-forces and impacts on the spine of passengers and crew.
- High-quality materials: The structure is made of 6 mm and 8 mm thick 6061T6 aluminum, with a marine powder coating for enhanced corrosion resistance.
Components in AISI/SUS 316/316L stainless steel and plastic parts in POM or 30% glass-fibre-reinforced polyamide 6.6 guarantee durability and robustness. - Optimum comfort: The seat is padded with marine memory foam and covered with high-quality marine vinyl, providing comfortable, long-lasting seating.
The textured coating ensures excellent grip on the seat. A GR3 front grab bar can be fitted as an option for additional safety. - Preload adjustment: The suspension can be adjusted for weights between 50 and 130 kg, enabling adaptation to individual passenger needs.
Adjustment is easy, using the key supplied and attached to the suspension. - Compliance with standards: The kit complies with the guidelines and recommendations of ABYC H-31 for type AO, ensuring safe, certified use.
Installation / Maintenance
Installing the RIB03S is quick and easy, using 8 M8 screws in your deck.
We can offer you watertight deck inserts and associated hardware, as well as extensions to adapt seat height and line of sight.
Shock absorber preload can be adjusted using a special 316L stainless steel wrench supplied and attached to the seat, for immediate availability.
A protective cover is also included to protect the seat from UV rays when the boat is not in use.
Maintenance is minimal: just rinse with fresh low-pressure water after each ride and apply lanolin spray to the shock absorber and spring.
Annually apply silicone spray to suspension pivot points and sliding parts.
Our review
✔ Pros
- Unbeatable value for money on the market
- Ready-to-use kit with all necessary components included
- Significant improvement in on-board comfort and ride quality
- High-quality materials guarantee durability and corrosion resistance
- Easy to install and adjust for different passenger weights
- Proven suspension technology reduces G-forces and spine impact
✘ Cons
- Preload adjustment requires a key, less suitable for frequent user weight changes
- For faster adjustment capability, consider the RIB04S model
Conclusion
The RIB03S kit delivers a complete, cost-effective solution for boat owners seeking to enhance onboard comfort and safety. Its advanced suspension technology effectively minimizes wave impact and reduces fatigue for crew and passengers during extended navigation. With high-quality marine materials, straightforward installation, and durable design, this jockey seat suspension system represents exceptional value without compromising performance. Ideal for RIBs, open motorboats, and high-speed vessels where comfort and safety are priorities.
Good to Know
- Aluminium extensions are available to adapt seat height: NS0001 (+80 mm) or NS0004 (+250 mm)
- Suspension preload is adjustable for passenger weights between 50–130 kg using the included 316L stainless steel wrench
- Optional GR3 front grab bar available for enhanced safety and support
- Protective textile cover included to shield seat from UV exposure when vessel is not in use
- Complies with ABYC H-31 Type AO marine safety standards for certified use
- Regular maintenance is minimal: rinse with fresh water, apply lanolin spray to shock absorbers, and use silicone spray on suspension pivots annually.
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