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


👑 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. 🚀









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:
📧 Email:
🔗 More Pedals, Bottle Cages, Carbon Series:
🔗 Handlebar Series:
🔗 Seatpost Series:
Material Download
Related Products
Product Inquiry