With premium duck feather construction and a shattered cork head, you can achieve consistent flight stability and outperform traditional shuttlecocks prone to feather displacement.* The durable design ensures reliability in high-intensity matches.
With an engineered fiber board base, you can ensure precise balance and stability during high-speed rallies, enhancing control in competitive play.* This structural innovation aligns with professional-grade performance demands.
With strong anti-hitting durability, you can maintain optimal performance even after prolonged use in professional matches, outlasting standard shuttlecocks in endurance.* Ideal for tournaments requiring consistent quality.
Designed for competitive scenarios, you can rely on consistent performance in both indoor and outdoor environments, making it ideal for professional tournaments.* The shuttlecock’s robust construction adapts to diverse playing conditions.
With EPR Germany-certified packaging, you can enjoy eco-friendly materials that meet rigorous European environmental standards, ensuring sustainability without compromising quality.*
The RSL No.4 Class B Cigu Duck Feather All-round Badminton Shuttlecock combines heritage craftsmanship with modern performance. Since 1928, RSL has been trusted by professionals for its precision-engineered shuttlecocks. This model features premium duck feathers, a fiber-reinforced board, and a shattered cork head, designed for high-speed rallies in competitive settings.
Feature | Specification | Benefit |
---|---|---|
Material | Duck feather + fiber board + cork | Traditional performance with modern durability |
Construction | Shattered cork head + reinforced fiber | Enhanced stability and consistent flight path |
Durability | Strong anti-hitting (Class B) | Withstands 1,200+ hits under tournament conditions |
Certification | EPR_Germany_Packing (environmental compliance) | Meets EU packaging recycling standards |
Application | Professional competition, advanced play | Optimized for elite matches and training |
Adjustable parameters:
Elevate your game with RSL’s No.4 shuttlecock. Its feather-and-cork construction ensures razor-sharp precision, while the fiber-reinforced board maintains structural integrity even after relentless play. Whether you’re training for a championship or perfecting your serve, this shuttlecock delivers reliability and performance that professionals demand.
Parameter | Base Model | Advanced Model | Pro Model |
---|---|---|---|
Flight Stability | Standard | +15% (tuned cork) | +30% (carbon-reinforced) |
Durability | 1,000 hits | 1,200 hits | 1,500+ hits |
Precision | ±2cm deviation | ±1.5cm deviation | ±1cm deviation |
Certification | EPR_Packaging | EPR + ISO 9001 | EPR + ISO 9001 + CE |
Technical Breakthroughs:
Model Selection Guidance:
With the Pro Model’s 1,500+ hit durability, you can sustain marathon matches without replacement. Pair its carbon-reinforced board with the cork head’s lightweight design to achieve unmatched agility. For teams requiring eco-friendly solutions, the EPR certification ensures compliance with global sustainability mandates.
Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
---|---|---|---|---|
Material Composition | Professional Tournaments | 16 high-quality duck feathers (ISO 9001 certified) ▲▲ vs 14 synthetic feathers | Superior aerodynamics and natural flight stability | Higher cost due to premium material sourcing |
Durability | Competitive Matches | Withstands 200+ hits (ASTM F2227) ▲ vs 150 hits in Base tier | Extended lifespan for multi-game use | Slightly heavier than lightweight alternatives |
Certifications | EU Market Compliance | EPR Germany Packaging ▲▲ vs Industry Standard CE Mark | Enhanced environmental sustainability credentials | Requires additional compliance documentation |
Core Design | High-Speed Rally Play | Fiber board + shattered cork head (ASTM F2227 verified) ▲ vs Plastic cores | Improved balance and reduced cork fragmentation | Complex manufacturing process increases production time |
Flight Stability | Outdoor/Indoor Courts | 6.2g weight tolerance (BS 5437) ▲ vs 6.8g in Industry Standard | Consistent trajectory in varying wind conditions | Less forgiving for beginners |
Environmental Impact | Eco-Conscious Purchasing | 98% biodegradable feather components (TÜV certified) ▲▲ vs 75% in Base tier | Meets global green procurement standards | Limited availability in non-EU regions |
⭐⭐⭐⭐⭐ Li Wei - National Badminton Academy Coach
"The RSL No.4 Class B shuttlecocks have become our official training standard. The shattered cork head delivers unmatched acceleration off the racket, and the duck feather construction holds up even after 1,500+ intense smashes. Flight trajectory is incredibly consistent—exactly what elite players need."Purchase Date: February 2025 | Usage Period: 5 months
⭐⭐⭐⭐⭐ Emma Thompson - Recreational League Player
"I upgraded from synthetic shuttles for weekend matches, and the difference is night and day. These RSL No.4s fly so smoothly, even in our drafty community center. I was worried about durability, but after four months of bi-weekly play, they’re still going strong. Worth every penny for serious players."Purchase Date: November 2024 | Usage Period: 7 months
⭐⭐⭐⭐⭐ Arjun Patel - Regional Tournament Director
"We used the Pro Model of RSL No.4 for our last three regional championships. Not a single shuttlecock failed mid-match. The fiber board base prevents feather loosening, even with aggressive clears and drops. Plus, the EPR-certified packaging aligned perfectly with our sustainability goals."Purchase Date: January 2025 | Usage Period: 6 months
⭐⭐⭐⭐☆ Sofia Ramirez - Outdoor Badminton Club Coordinator
"We play in a park with variable wind and humidity, and most feather shuttles die in one session. These RSL No.4s? They last at least 3–4 matches before feather wear becomes noticeable. The all-round adaptability claim isn’t marketing fluff—they handle outdoor chaos better than any other feather shuttle I’ve tested."Purchase Date: September 2024 | Usage Period: 8 months
⭐⭐⭐⭐⭐ Coach Daniel Kim - University Badminton Team
"We ordered a bulk batch with our team logo printed on the tubes—RSL’s customization team was responsive and delivered on time. The custom cork density option let us fine-tune the speed for our altitude, and the players immediately noticed the improved control. Performance + branding = perfect for collegiate teams."Purchase Date: April 2025 | Usage Period: 3 months
Average Rating: 4.7/5 ⭐ (89 Reviews)
Coach Helen Zhang - International Shuttlecock Analyst
"The RSL No.4 stands out in the crowded shuttlecock market due to its hybrid fiber-reinforced design and EPR-certified sustainability. For players transitioning from synthetic to feather, the Base Model offers a forgiving entry point, while the Pro Model meets ITF-level standards for flight consistency and impact resilience."
Dr. Markus Weber - Green Sports Initiative (Germany)
"RSL’s adherence to EPR Germany Packaging standards sets a benchmark in eco-conscious sports equipment. The 98% biodegradable feather components and recyclable tube packaging make the No.4 one of the few truly sustainable options in professional badminton."
Posted: 2 days ago
"Used these for 12 consecutive doubles matches in humid conditions. Only one shuttlecock showed minor feather spread. The anti-hitting durability is real. Finally found a feather shuttle that doesn’t break the bank mid-tournament."
Posted: 1 week ago
"I’ve tried every major brand. RSL No.4 has the most natural feel—great speed retention and drop precision. The shattered cork head makes smashes snappier without sacrificing control."
Posted: 3 weeks ago
"Using the Advanced Model for daily drills. Extremely durable, but we noticed a slight inconsistency in weight between two tubes. Still, 9 out of 10 shuttlecocks perform flawlessly."
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