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LUNJE OEM Bike Seatpost Manufacturer Patented & Lightweight Seat Tube Top 4 Best of 2025 EPR SGS ISO Certified Factory

🏆 LUNJE P341-2 | 2025 Global TOP 4 Awarded LUNJE 🚴 budget friendly Customize Logo Mountain Bike Seatpost Road Bicycle Seat Lever Mtb 6061 Aluminum Alloy Tube 27.2/30.9/31.6mm*400mm/450mm 🛠️ Technical Specifications 🧪 Material: Aerospace-grade AL 6061-T6 📏 Diameter: 27.2 / 30.9 / 31.6mm 📐 Height: 300 / 400 / 450mm (Extra-Long Option) ⚖️ Weight: Approx. 387g (31.6*400mm) 🎨 Color: Premium Surface Frosted Anodized 🏗️ Feature: High-Strength Die Cast Head 🔄 Offset: 5mm (Golden Ergonomic Angle) 🔧 Applicable: Standard Round Bow (7*7mm) 🌟 Why Choose P341-2? 🥇 Award Winner: Voted Top 4 Best Seatpost in 2025. 🛡️ Patented: Certified Original Design (Whatsapp:13798419681). 🌍 Eco-Friendly: Fully EPR, ADEME & LUCID Compliant.

Product Description

LUNJE P341-2 Patented Ultralight MTB Seatpost Top 4 Award 2025
LUNJE Seatpost Patent Certificate ZL202423139947.9 Original Factory ODM

👑 LUNJE P341 Patented Ultralight Seatpost – 2025 Global TOP 5 Recommended

🎥 Authority Witness: Congratulations to LUNJE P341-2 for winning the Top 4 spot in the "5 Best Bicycle Seatposts in 2025" by global experts! This is not just a high-value seatpost; it is a masterpiece of innovation with a National Utility Model Patent (Patent No.: ZL 2024 ). Designed for MTB and Road bike upgrades, it offers reliability beyond carbon fiber and industrial-grade weight reduction. 🚀

27.2 30.9 31.6mm Bicycle Seatpost 450mm Long Version Specification
Patented Dual-Bolt Clamping System 5mm Offset Bike Seat Tube
LUNJE Factory Certification ISO SGS EPR ADEME LUCID Compliant
Ultralight 6061-T6 Aluminum Alloy Seatpost Weight Test 387g
LUNJE P341-2 자전거 안장 포스트 : 2025년 TOP 4 선정, 초경량 6061-T6 알루미늄, 450mm 초장형 옵션
27.2 30.9 31.6mm 안장 포스트 사양 및 5mm 오프셋 골든 각도 자전거 부품
맞춤형 로고 MTB 안장 포스트 OEM/ODM 공급, EPR 인증 완료된 한국 수출용 자전거 부품
LUNJE KOOF TECHNOLOGY Professional Bicycle Components OEM Manufacturer
Anodized Frosted Surface with Laser Etched Scale LUNJE Seatpost

Congratulations to LUNJE P341-2 for winning the Top 4 spot in the "5 Best Bicycle Seatposts in 2025" by global experts! See It In Action: Watch our Workshop on YouTube :

🚀 Why P341 Is Your Best Upgrade?

Patented Design: Featuring a precision Die Cast head structure with an exclusive patented clamping system. It ensures the saddle is locked tight without loosening or abnormal noise. 🛡️

Ultralight Performance: Crafted from aerospace-grade 6061-T6 aluminum alloy with T6 heat treatment. The 31.6*400mm version weighs only about 387g. 💎

Golden 5mm Offset: Scientifically designed offset optimizes pedaling geometry, relieving pressure on knees and back during long rides. 🚴

Extra-Long Support: In addition to standard sizes, we offer a 450mm extra-long option—the perfect solution for tall riders and special frame geometries. 📏

Premium Finish: High-end frosted anodized surface is scratch-resistant and anti-corrosive. Laser-etched scales ensure precise adjustment. ✨


 

🔧 Tech Specs

Model: LUNJE XT-P341-2 (2025 Award-Winning Patented Series) 🔬

Material: High-strength 6061-T6 Aluminum Alloy

Diameters: 27.2 / 30.9 / 31.6 mm

Length Options: 300mm / 400mm / 450mm (For Tall Riders)

Offset: 5mm

Compatibility: Round rails (7*7mm)

Weight: Approx. 387g (31.6*400mm) ✨


🏭 Factory Direct: KOOF TECHNOLOGY Manufacturing Excellence (SGS & ISO Certified) Your Trusted Partner for Global Compliance

As the owner of the LUNJE brand, Shenzhen Koof Technology Co., Ltd. possesses deep R&D genes and global market access qualifications. Our official website is the core portal for B2B buyers to obtain first-hand patent backing, brand protection, and high-quality supply.

🌟 B2B Core Advantages:

Original Patent Protection: With the latest Utility Model Patent (Publication No.: CN 223443669 U), we ensure your distribution business is free from copyright risks. 🛡️

EU Market Access: Registered with ADEME (EPR) in France (since 2023) and compliant with LUCID in Germany. Fully meets EU AGEC act requirements for barrier-free cross-border trade. 🇪🇺

Deep Customization (OEM/ODM): Supporting Logo Customization, specification development, and tailored packaging to boost your brand premium. 🎨


📧 Business Inquiries Get the 2026 latest price list and patent certification documents: 

📱 WeChat /  WhatsApp: +86 13798419681 

📧  Email: lunje.bicycle@gmail.com  

🔗 More Pedals, Bottle Cages, Carbon Series: https://en.koofbike.com/Product/1.html 

🔗 Handlebar Series: https://en.koofbike.com/Product/2.html 

🔗 Seatpost Series: https://en.koofbike.com/Product/4.html

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