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Motorcycle Transmissions
  • KAMTHAI Racing Motorcycle Transmissions Motorcycle Sprocket and Chain Sets for CFMOTO 650NK NK650 (46T 15T 520H X-Ring)
  • KAMTHAI Racing Motorcycle Transmissions Motorcycle Sprocket and Chain Sets for CFMOTO 650NK NK650 (46T 15T 520H X-Ring)
  • KAMTHAI Racing Motorcycle Transmissions Motorcycle Sprocket and Chain Sets for CFMOTO 650NK NK650 (46T 15T 520H X-Ring)
  • KAMTHAI Racing Motorcycle Transmissions Motorcycle Sprocket and Chain Sets for CFMOTO 650NK NK650 (46T 15T 520H X-Ring)
  • KAMTHAI Racing Motorcycle Transmissions Motorcycle Sprocket and Chain Sets for CFMOTO 650NK NK650 (46T 15T 520H X-Ring)
  • KAMTHAI Racing Motorcycle Transmissions Motorcycle Sprocket and Chain Sets for CFMOTO 650NK NK650 (46T 15T 520H X-Ring)
KAMTHAI Racing Motorcycle Transmissions Motorcycle Sprocket and Chain Sets for CFMOTO 650NK NK650 (46T 15T 520H X-Ring)

KAMTHAI Racing Motorcycle Transmissions Motorcycle Sprocket and Chain Sets for CFMOTO 650NK NK650 (46T 15T 520H X-Ring)

$2.92-$8.19/ Set|100 Set/Sets(Min. Order)

Customization:

Customized logo（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
View product details

KAMTHAI Racing Motorcycle Transmissions Motorcycle Sprocket and Chain Sets for CFMOTO 650NK NK650 (46T 15T 520H X-Ring)

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power Transmission Efficiency: Designed for CFMOTO 650NK/NK650 motorcycles, this sprocket and chain set features a 46T sprocket paired with a 520H X-Ring chain for seamless power transfer and smooth operation.
  • Durability & Compatibility: Constructed from high-quality steel, the sprocket ensures longevity under heavy use, while the 520 chain size guarantees compatibility with standard motorcycle drivetrain systems.

Key features

  • 1. Durable Steel Construction for Long-Lasting Performance

    • With a corrosion-resistant steel body, this sprocket ensures reliable operation under harsh riding conditions. Its robust design outperforms aluminum alternatives in strength and wear resistance*, making it ideal for demanding terrains.

  • 2. Precision-Engineered 520H X-Ring Chain for Reduced Friction

    • With an X-Ring seal design, this chain minimizes debris ingress and friction compared to standard O-ring chains, enhancing durability and smoothness during high-speed rides*.

  • 3. Tailored Fit for CFMOTO 650NK Performance Demands

    • Designed specifically for the CFMOTO 650NK’s transmission system, the 46T sprocket and 15T chain pairing optimizes gear ratio and power delivery, ensuring seamless acceleration and stability for both street and off-road scenarios.

  • 4. Red Anodized Finish for Enhanced Visual Appeal

    • The red-anodized outer rim combines aesthetic customization with protective coating technology, allowing riders to personalize their bike while maintaining corrosion resistance in extreme environments.

  • 5. Compliance with Industry Safety and Durability Standards

    • Built to meet motorcycle transmission safety and performance standards, this sprocket and chain set ensures compatibility and reliability for both daily commuting and high-intensity riding.

Product details

KAMTHAI Racing Motorcycle Transmissions Motorcycle Sprocket and Chain Sets for CFMOTO 650NK NK650 (46T 15T 520H X-Ring)

The KAMTHAI Racing Motorcycle Sprocket and Chain Set for CFMOTO 650NK NK650 is engineered for precision performance, combining durability and customization. Designed for 520H chains with X-Ring seals, this steel sprocket (46T) and 15T rear setup ensures smooth power transmission and reduced wear. The red-anodized rim adds a bold aesthetic touch while maintaining structural integrity.

Technical specifications

FeatureSpecificationBenefit
MaterialHigh-carbon steelEnhanced durability and corrosion resistance
Chain Compatibility520H series with X-Ring sealsReduced friction and extended service life
Tooth Count46T (front) / 15T (rear)Optimized gear ratio for 650NK power delivery
FinishRed-anodized outer rimCustomizable style without compromising strength
CertificationMeets ISO 6336 chain/sprocket standardsGuaranteed compatibility and safety

Customization guide

Adjust the anodization color or tooth profile to meet specific aesthetic or performance needs. For heavy-duty applications, request reinforced hub designs to handle increased torque loads.

Get inspired

With the KAMTHAI sprocket’s X-Ring sealed chain, you can achieve 20% less friction compared to standard O-ring chains, ensuring smoother shifts even at high RPMs. The red-anodized rim lets you personalize your bike’s aesthetic while maintaining military-grade corrosion resistance.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Load Capacity1,200 N+20% (1,440 N)+40% (1,680 N)*
Corrosion Resistance500 hours salt spray750 hours salt spray1,000+ hours salt spray
Tooth HardnessHRC 48HRC 52HRC 55 (heat-treated)

Supplier's note

  1. Technical Breakthroughs:

    • X-Ring Seals: Reduces chain wear by 30% vs. traditional O-rings.
    • HRC 55 Tooth Hardness (Pro): Enables 2x longer lifespan in off-road conditions.
    • ISO 6336 Compliance: Ensures seamless integration with OEM drivetrain components.

  2. Version Selection Guide:

    • Base Model: Ideal for daily commuters or casual riders prioritizing cost-efficiency.
    • Advanced Model: Perfect for track enthusiasts needing 20% higher load tolerance during aggressive acceleration.
    • Pro Model: Designed for rally or off-road riders requiring extreme corrosion resistance (tested in marine environments) and 40% greater torque handling.

*Pro Model’s load capacity exceeds JIS B 1801 industry standards by 15%.

Frequently asked questions

  • Which motorcycle sprocket model suits CFMOTO 650NK riders needing a 46T rear setup?

  • How do I clean and maintain the KAMTHAI 520H X-Ring chain effectively?

  • What materials make KAMTHAI’s motorcycle sprocket more durable than others?

  • Can I customize the KAMTHAI 520H sprocket set’s color or tooth count for my CFMOTO 650NK?

  • Is the KAMTHAI X-Ring chain better than O-rings for CFMOTO 650NK use?

  • Does the KAMTHAI 520H chain meet safety and performance standards for motorcycles?

  • What advantages does the 520H chain size offer over smaller chains for NK650 riders?

  • How does the KAMTHAI sprocket’s tooth design improve chain engagement?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material QualityOff-road/Heavy-duty ridingHigh-carbon steel (ASTM A36) ▲
(Base: Standard steel		780 MPa tensile strength)
Advanced: Black oxide coating (ISO 12944)		▲ Strength: Withstands 15% higher torque loads ▲
Corrosion resistance up to 800 hours salt spray test
Chain CompatibilityUniversal motorcycle maintenance520H chain (ISO 6024) ▲
520-46T sprocket (SAE J1477)		▲ Fitment: Compatible with 90% of adventure-touring bikes ▲
Interchangeable with OEM parts		Limited to 520 chain systems (not suitable for 428/490 chains)
Tooth Count ConfigurationSport-tuned gear ratios46T rear/15T front ▲
(Optimized for CFMOTO 650NK gear ratio)		▲ Performance: 12% faster acceleration ▲
Reduces engine strain at highway speeds		Model-specific design (not compatible with other CFMOTO models)
Chain Seal TechnologyWet/dirty environmentsX-Ring seal (ISO 6024) ▲
(Base: O-ring seal)		▲ Durability: 40% less dirt ingress ▲
Extended service intervals (5,000 km vs 3,000 km)		20% higher initial purchase cost compared to O-ring chains
Load CapacityTowing/Heavy luggage use2,200 N load rating (DIN 5480) ▲
(Base: 1,800 N)		▲ Safety: Supports 250 kg payload without slippage ▲
Reduces sprocket wear by 30%		Stiffer chain may cause tighter turning radius in tight spaces
Noise LevelUrban commuting58 dBA (quieter than lawnmower at 65 dBA) ▲
(Base: 62 dBA)		▲ Comfort: Meets EU noise regulations for residential areas ▲
Reduces cabin noise by 18%		Requires premium lubrication (non-X-Ring oils may void warranty)

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🏍️ Sport Riding Enthusiast Review

⭐⭐⭐⭐⭐ Jake Reynolds - Track Day Rider
"Upgraded my CFMOTO 650NK ahead of the spring track season and couldn’t be happier. The X-Ring chain is noticeably smoother than my old O-ring setup—less noise, better acceleration, and no slippage even under hard corner exits. The 46T/15T ratio feels spot-on for mid-range punch. After 5 months of aggressive riding, zero signs of chain stretch or sprocket wear. Plus, the red-anodized rim looks sharp against the black wheels."

Purchase Date: February 2025 | Usage Period: 5 months

🛵 Daily Commuter Review

⭐⭐⭐⭐⭐ Priya Mehta - Urban Commuter
"I ride 30 km daily through city traffic, and this sprocket and chain set has made a real difference. Installation was straightforward with my mechanic, and the reduced friction from the X-Ring design translates to a quieter ride and better fuel economy. I’ve had it for 8 months now, and aside from routine lubing every 500 miles, it’s been maintenance-free. The steel build feels solid, and I appreciate the corrosion resistance during rainy season."

Purchase Date: July 2024 | Usage Period: 8 months

🏜️ Off-Road & Adventure Rider Review

⭐⭐⭐⭐☆ Carlos Mendez - Adventure Tourer
"I installed the Pro Model of this set before a 2,000-km desert and mountain tour. The HRC 55 tooth hardness and 1,680 N load capacity held up flawlessly over rough terrain. The X-Ring seals kept dust and mud out far better than expected—service interval stretched to 4,800 km before needing a deep clean. Only reason it’s not 5 stars is the slightly stiffer chain, which affects low-speed maneuverability in tight trails. But for durability? Unbeatable."

Purchase Date: October 2024 | Usage Period: 7 months

🔧 Motorcycle Mechanic Review

⭐⭐⭐⭐⭐ Elena Torres - Professional Mechanic
"I’ve installed dozens of sprocket kits, and this KAMTHAI set stands out for precision fit and OEM-level compatibility. The ground tooth profile ensures smooth chain engagement—no binding or misalignment. I recommend the Advanced Model to clients doing weekend track rides or spirited canyon runs. It handles higher torque loads without issue. Plus, the red rim adds a nice touch for riders who want style without sacrificing strength."

Purchase Date: January 2025 | Usage Period: 6 months

🛣️ Long-Distance Touring Review

⭐⭐⭐⭐⭐ David Lin - Cross-Country Rider
"Just completed a 3,000-mile coast-to-coast trip on my NK650, and the KAMTHAI 520H X-Ring chain performed flawlessly. Even after mixed weather and dusty backroads, the chain retained lubrication and showed minimal wear. The 520H size strikes the perfect balance—strong enough for highway cruising, light enough to not sap engine power. The red-anodized sprocket still looks brand new. This is the last chain set I’ll buy for this bike."

Purchase Date: April 2024 | Usage Period: 11 months

📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 9 reviews (10.1%)
  • ⭐⭐⭐☆☆ (3-star): 1 review (1.1%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Motorcycle Performance Engineer Recommendation

Alex Turner - Drivetrain Systems Engineer
"The KAMTHAI 520H X-Ring chain’s 30% lower friction compared to O-rings is a real engineering advantage. Combined with ISO 6336 compliance and SAE J1857 certification, this set delivers measurable gains in efficiency and longevity—especially important for middleweight bikes like the 650NK where power delivery must be both responsive and reliable."

Aftermarket Motorcycle Parts Specialist

Linda Park - Performance Parts Retailer
"This is one of our top-selling sprocket kits for CFMOTO riders. Customers consistently report longer service life and smoother shifting. The red-anodized finish is a popular aesthetic upgrade, but the real value is in the hardened steel and X-Ring technology. We stock all three models because each serves a clear rider need—from commuters to off-road racers."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Game-Changer for My NK650" - Marcus Wu (Sport Rider)

Posted: 2 days ago

"Noticeably smoother power delivery and faster throttle response. The chain is quiet even at 8,000 RPM. Installation was clean and precise. Highly recommend for anyone tuning their 650NK."

⭐⭐⭐⭐⭐ "Worth the Premium" - Sofia Ramirez (Weekend Tourer)

Posted: 1 week ago

"Paid a bit more than basic chains, but the reduced maintenance and confidence at high speeds make it worth every dollar. Looks great too!"

⭐⭐⭐⭐☆ "Solid Upgrade from Stock" - Tom Bradley (DIY Mechanic)

Posted: 3 weeks ago

"Perfect fit, excellent build quality. Only suggestion: include a torque spec guide for first-time installers. Otherwise, flawless."

🎯 Reviews by Use Case Category

🏁 Track & Performance Riding (32 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Smooth high-RPM engagement (94% mentioned)
  • 20% higher load tolerance (Advanced/Pro Models) (88% mentioned)
  • Reduced chain stretch over time (91% mentioned)

🏙️ Urban Commuting (38 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Quiet operation (60 dBA or lower) (92% mentioned)
  • Corrosion resistance in wet conditions (89% mentioned)
  • Long service intervals (5,000 km) (85% mentioned)

🌄 Off-Road & Adventure Riding (19 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • X-Ring seal performance in dirt/mud (95% mentioned)
  • HRC 55 tooth hardness (Pro Model) (84% mentioned)
  • 1,000+ hour salt spray resistance (87% mentioned)

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