The Concept
Set the Standard for Stiffness
The Apex is an ICF Sprint K1 with long, smooth waterlines - and Stellar's composite background means one thing above all: stiffness. Less hull flex means more of your power reaches the water, not the boat.
The family comes in three weight-tuned sizes - 75 (70–85 kg), 85 (80–95 kg) and 95 (90–105 kg). This page is the size 75, the lightest of the range at 20.3 lb in woven-carbon Alpha.
Features
Engineered for the Podium
Every detail serves one goal: converting effort into speed.
ICF Sprint K1 Spec
Built to the ICF Sprint K1 class - race-ready for flatwater sprint events, with long smooth waterlines for clean speed.
Leg Drive, Locked In
The 3-point footbrace creates a solid platform for powerful leg drive - the connection that makes each stroke count.
Sized by Body Weight
The 75 fits 70–85 kg paddlers; the family also offers 85 and 95 sizes - match the hull to your weight for the best waterline.
Specifications
The Numbers
Weight-matched, ICF-legal, podium-focused.
| Parameter | Value |
|---|---|
| Length | 17'1" / 5.2 m |
| Beam | 16.14" / 41 cm |
| Depth | 12.80" / 32.5 cm |
| Size (this page) | 75 - fits 70–85 kg / 155–185 lb |
| Family Sizes | 75 / 85 / 95 (85: 80–95 kg; 95: 90–105 kg) |
| Class | ICF Sprint K1 |
| Footbrace | 3-point footbrace |
| Builds Available | Alpha (woven carbon), Excel, Multi-Sport, Advantage |
| Hull Weight | 20.3 lb (Alpha) |
Construction
Four Laminates, One Stiffness Story
Pick the build that matches your race day and budget.
Alpha ★ Woven Carbon
20.3 lb
9.2 kg
Clear-finished, heat-cured woven Toray 3K carbon over a Nomex honeycomb core - the stiffest, lightest way down the lane.
Excel
22 lb
10 kg
Kevlar and fiberglass with a Nomex honeycomb core - almost as light and stiff as Alpha, with more impact strength.
Multi-Sport
24.5 lb
11.5 kg
Carbon & Kevlar single skin on an Advantage deck - flexible and durable, with rudder fittings and an Andersen bailer included.
Advantage
24.5 lb
11.5 kg
Infused epoxy fiberglass with a Soric core under gelcoat - maximum toughness and the best value at the same weight as Multi-Sport.
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
The Apex ICF K1, Unpacked
What sprint paddlers ask before they line up.
Q: What is the Apex ICF K1?
A: It's Stellar's ICF Sprint K1 - a flatwater sprint racing kayak with long, smooth waterlines, built to the ICF Sprint K1 spec and available in three weight-tuned sizes: 75, 85 and 95.
Q: Which size do I need?
A: Match your body weight to the size: the 75 fits 70–85 kg (155–185 lb), the 85 fits 80–95 kg (175–210 lb), and the 95 fits 90–105 kg (200–230 lb). Choose the size that covers your racing weight.
Q: How is it different from the Apex Para K1?
A: Different disciplines. The Apex ICF K1 is a narrow (16.14") pure sprint machine for able-bodied ICF Sprint racing. The Apex Para K1 is wider (20.9") for stability, conforms to ICF Paralympic K1 regulations, and doubles as the Apex Trainer with adaptive seating.
Q: Why does hull stiffness matter?
A: A stiffer hull flexes less under each stroke, so more of your power is transferred into forward speed. Stellar's composite construction makes stiffness the Apex's defining trait - the edge that helps propel you to the medal podium.
Q: Which construction should I pick?
A: Alpha for the lightest, stiffest race build at 20.3 lb; Excel for added impact strength at 22 lb; Multi-Sport for a flexible, durable build (with rudder and bailer) at 24.5 lb; Advantage for maximum toughness at the same 24.5 lb and the best value.
Q: Is it ICF legal?
A: Yes - it's an ICF Sprint K1, designed for flatwater sprint racing under ICF class rules.
Q: What comes standard?
A: A 3-point footbrace for a powerful leg drive platform, cockpit and number clip - the standard sprint racing package.
Q: Who is the Apex ICF K1 75 built for?
A: Sprint paddlers racing at 70–85 kg who want podium-level stiffness and speed, and athletes graduating from trainer K1s into a full ICF sprint spec.
Hangzhou Chengxin Composite Material Co., Ltd. is one of the most reliable manufacturers and suppliers of icf sprint k1 carbon fiber racing kayak 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 icf sprint k1 carbon fiber racing kayak from our factory.
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