Stellar Fusion: The tandem surf ski built for two - fast enough to race, stable enough to bring a new paddler along, and ready for coaching sessions that actually teach.
- Length 21'9" / 6.65 m
- Capacity 575 lb
- Beam 22.4"
- Paddlers 5'0" – 6'5"
The Concept
One Boat, Two Paddlers
The Fusion is Stellar's tandem surf ski, sitting in the intermediate class with a clear mission: let two people paddle together without compromise. An advanced paddler can bring a newbie along safely; two intermediate paddlers can race, surf and cruise in almost any conditions.
It shares its pedigree with the S18SX single, upgraded and redesigned around two seats. The latest-generation bucket seat and solid RT-1 footboard keep the cockpit volume low while fitting a wide range of body sizes - so two different paddlers both get a secure, comfortable ride.
Features
Designed Around the Duo
Every detail of the Fusion exists to make shared paddling better.
Two Seats, One Hull
The tandem layout keeps both paddlers in a single, low-volume cockpit - coordinated strokes, shared speed, one boat to own and transport.
Bucket Seat & RT-1 Footboard
The latest-generation bucket seat and the solid RT-1 footboard maximize the range of body sizes the cockpit fits while keeping cockpit volume low.
A Wide Stability Window
Intermediate-class stability means a new paddler feels the ocean safely on their first outing - while two strong paddlers can still race and surf.
Coaching-Ready
One-on-one instruction on the water - technique, boat feel and balance improve fastest when coach and student paddle the same hull.
575 lb of Shared Capacity
pTwo paddlers plus gear ride well within the rated 575 lb (261 kg) capacity - from race duos to coach-and-student sessions.
Four Builds to Match Your Use
From the stiff woven Toray carbon Alpha to the puncture-resistant Advantage, the Fusion's laminates trade weight and toughness to suit racing, teaching or rivers.
Specifications
The Numbers for Two
What a tandem crew needs to know before getting on the water.
| Parameter | Value |
|---|---|
| Length | 21'9" / 6.65 m |
| Beam | 22.4" / 56.5 cm |
| Depth | 13.3" / 33.8 cm |
| Paddler Fit | 5'0" – 6'5" / 1.5 – 1.95 m |
| Capacity | 575 lb / 261 kg |
| Builds Available | Alpha (woven carbon), Excel, Multi-Sport, Advantage |
| Seating | Latest-generation bucket seat + solid RT-1 footboard |
Construction
Four Laminates, One Tandem
A double hull carries more load and takes more abuse - pick the laminate that matches how you paddle.
Product Center
Alpha ★ Woven Carbon
37.9 lb
17.2 kg
The stiffest, lightest build - clear-finished heat-cured epoxy woven Toray 3K carbon with Nomex honeycomb core, built to race.
Excel
39.7 lb
18 kg
Kevlar-reinforced fiberglass with Nomex honeycomb core - very stiff and light, with added impact strength over the Alpha.
Multi-Sport
48.1 lb
21.8 kg
Carbon & Kevlar single-skin hull with an Advantage deck. Comes standard with over-stern rudder, under-stern fittings and a flush Andersen bailer - at home in rapids and shallows.
Advantage
48.5 lb
22 kg
Gelcoat-finished infused epoxy fiberglass with Soric core - the toughest, most puncture-resistant option for teaching fleets and rough use.
Colors
Available RAL Colors
Want a different shade? We can make it.
*Bright colors like Yellow and Orange need more layers to acheive saturation and can add 100-200g to the weight of the boat.
**Telegrey is a difficult color to make, color consistency cannot be guaranteed.
FAQ
Q: What is a tandem surf ski, exactly?
A: A tandem (or double) surf ski is a two-seat version of a one-person surf ski, designed so two paddlers paddle together in one hull. The Fusion is Stellar's tandem model in the intermediate class.
Q: Can a beginner paddle the Fusion?
A: Yes - that is one of its design goals. The Fusion is stable enough for an experienced paddler to take a new paddler out and let them get the feel of the ocean, while still being fast enough to race when both paddlers are up to speed.
Q: Is it a racing ski or a recreational boat?
A: Both, by design. It is positioned as an intermediate tandem: fast enough to race and surf, stable enough for teaching and easygoing shared paddling in almost any conditions.
Q: How does the Fusion relate to the S18SX?
A: The Fusion shares its pedigree with the S18SX single surf ski, but it was upgraded and redesigned around two seats - longer hull, bigger beam and a 575 lb (261 kg) capacity to carry two paddlers.
Q: How much weight can it carry?
A: The rated capacity is 575 lb (261 kg) - two paddlers plus gear, covering everything from a race duo to a coach-and-student session.
Q: Why the bucket seat and RT-1 footboard?
A: Together they maximize the range of paddler sizes the cockpit fits while keeping cockpit volume low - so two people of different heights can both sit securely and drive the boat.
Q: Fusion vs S2E / S2EL - which double should I choose?
A: The S2E and S2EL are Stellar's racing doubles: 24'7" with an 18.9" beam, built for speed. The Fusion is the intermediate tandem: 21'9", 22.4" beam and a much wider stability window for teaching, new paddlers and mixed-skill crews.
Q: Which construction should I pick?
A: Alpha if you want the stiffest, lightest build for racing; Excel for a light boat that shrugs off more impact; Multi-Sport if you paddle rivers, shallows and rough water - it comes with the over-stern rudder, under-stern rudder fittings and an Andersen bailer as standard; Advantage for maximum toughness and puncture resistance at the lowest weight penalty among the durable builds.
Hangzhou Chengxin Composite Material Co., Ltd. is one of the most reliable manufacturers and suppliers of stellar carbon fiber tandem surf ski in China. With a professional production team, we are able to meet the needs of the majority of our customers. Please rest assured to buy customized stellar carbon fiber tandem surf ski from our factory.
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