See It In Action: Watch Our Manufacturing Process on YouTube ：

💎 Why This Stem Dominates the Premium Market

1. 5-Axis 3D Sculpted Artistry 🎨

Tactile Precision: The patent-pending 3D Sculpted Texture isn't just for looks—it provides multi-angle light refraction and a premium metallic grip.

Hollow-Out Engineering: Advanced 5-axis CNC machining removes excess weight while maintaining DH-level structural integrity.

2. Two-Tone Gradient Anodization 🌈

Industry Pioneer: We perfected the dual-color process. The vibrant finish is UV-resistant & Scratch-proof, ensuring your bike looks brand new after seasons of abuse.

Pro-Grade Finish: Military-grade 800HV surface hardness protects against impact and trail debris.

3. Proven Performance & Safety 🛡️

SGS Certified: Exceeds ISO 4210 standards. Every unit undergoes rigorous torque and fatigue testing.

Instant Response: The ultra-short 35mm/45mm geometry offers razor-sharp steering for Technical Trail, Enduro, and BMX.

Patented Stem Series:  Our lineup includes both CNC-machined and 3D forged stems. We leverage multiple structural innovation patents (e.g., CN114228889A) to optimize the clamping force and weight ratio, ensuring maximum cockpit stability.

Official Platform of the China National Intellectual Property Administration (CNIPA)

Visit the China Patent Publication Announcement Network (http://epub.cnipa.gov.cn/).

Enter the patent number CN222728170U in the search box to query.

🏭 Source Factory OEM/ODM Advantage

As a direct manufacturer, we empower brands with flexible, high-end solutions:

✅ Custom Branding: High-precision laser etching & custom packaging.

✅ Global Compliance: EPR & LUCID (VerpackG) registered; fully compliant for EU & US markets.

✅ Rapid Prototyping: From concept to CNC sample in just 12 days.

✅ Partner Protection: Exclusive color-matching and distribution-tier pricing.

📞 Business Partnership & Inquiries

LUNJE is committed to supporting bike shops, e-bike modifiers, and international distributors with factory-direct pricing and reliable lead times.

Connect with Our Factory Representative:        
For bulk pricing, technical drawings, or OEM collaboration, reach out to us directly:

📱 WeChat /  WhatsApp: +86 13798419681 

📧  Email: lunje.bicycle@gmail.com  

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