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LUNJE Aero Suspension Seatpost: Best 25mm Offset Adjustable Seatpost for MTB & Gravel

XT-P008🚵‍♂ Weight-saving lattice cutouts LUNJE Offset 25mm aerodynamic Adjustable Cushion 27.2mm /30.9mm/31.6mm * 400mm Aluminum Alloy Bicycle Seat Post MTB Road Mountain Bike Shock Absorbing Suspension Seatpost Spring Tube Absorbers; 🚀 Aero Suspension Seatpost - The Ultimate Vibration Killer, 💎 REVOLUTIONARY COMFORT TECH: ✓ 3D Forged 6061-T6 Aluminum - Hollow aero profile with weight-saving lattice cutouts, ✓ Dual-Spring Suspension - 45mm adjustable travel with progressive damping, ✓ Proprietary Aero Offset - 25mm setback optimizes pedaling efficiency, ✓ Frosted Anodized Finish - Scratch-resistant surface in 5 stealth colors, 🔥 WHY THIS CHANGES EVERY RIDE: "Eliminated 87% of trail buzz while keeping sprint stiffness - game changer!" 🏆 KEY INNOVATIONS: ✓ Aero-Elastic Tuning - Vertical compliance without lateral flex, ✓ Tool-Free Adjustment - Rebound control for road/MTB modes, ✓ Universal Rail Clamp - Compatible with all 7x7mm round saddle rails, 🏭 OEM SOLUTIONS: ✓ Custom lengths (350-500mm) ✓ Branded laser engraving ✓ White-label packaging ✓MOQ 50 units 🔬 IPX6 waterproof testing, 📩 LIMITED PRODUCTION SLOTS: 👉 First 3 OEM partners Orders >1000pcs: Complimentary water sticker, 📞 ENGINEERING SUPPORT: 📧 Email: georgechen@koofbicycle.com 📱 WhatsApp: +86 13798419681 🌐 Tech Specs: https://en.koofbike.com/Product_detail/39.html 🏷️ TECHNICAL HASHTAGS: #SuspensionSeatpost #GravelComfort #AeroCompliance #ForgedAluminum #MTBtech #EnduroEssentials #BikeOEM #RideSmoother #VibrationControl ⚠️ WARNING: May cause excessive rider smiles on rough terrain. Tested to withstand EWS-level impacts.

Product Description

LUNJE XT-P008 - High-performance aero suspension seatpost with 45mm adjustable travel
Revolutionary weight-saving lattice cutouts for vertical compliance and vibration damping
3D forged 6061-T6 aluminum alloy structure for maximum structural integrity
LUNJE Workshop - Professional OEM ODM Service for Global Premium Bicycle Brands - CNC Machining Center
Optimized 25mm offset geometry for improved pedaling ergonomics on endurance rides
Frosted anodized finish available in multiple stealth colors for custom bike builds
Precision internal dual-spring system with tool-free rebound adjustment mechanism
LUNJE Manufacturing - Rigorous ISO 4210 safety testing and quality control for export
Universal 27.2mm 30.9mm 31.6mm diameters compatible with most MTB and Road frames

See It In Action: Watch Our Demo on YouTube :

💎 Why the LUNJE XT-P008 Dominates the Premium Market

1. Revolutionary Aero-Elastic Lattice Design

Unlike traditional, bulky suspension posts, the LUNJE XT-P008 features a proprietary Aero Profile with Weight-saving Lattice Cutouts. This unique "Gitter" (lattice) structure doesn't just look high-tech—it provides lateral stiffness while allowing vertical compliance to soak up high-frequency trail chatter. It is the perfect vibration killer for the modern Gravel, Road, and MTB rider who refuses to sacrifice aerodynamics for comfort.

2. Precision Adjustable Damping System

Every rider is different. Our Dual-Spring Suspension offers 45mm of travel with a Tool-Free Adjustable Rebound mechanism. By simply turning the bottom tension bolt, users can fine-tune the spring rate to match their weight and terrain—from plush gravel paths to stiff, responsive XC sprints.

3. Optimized Geometry: 25mm Offset

The 25mm Setback (Offset) is engineered to optimize pedaling ergonomics. It allows for a more natural seated position, reducing pressure on the lower back and improving power transfer during long-distance endurance rides.

4. Aerospace-Grade Durability

Forged from 3D-forged 6061-T6 Aluminum Alloy, this seatpost undergoes rigorous ISO 4210 testing. The Frosted Anodized Finish provides a military-grade 800HV surface hardness, ensuring it remains scratch-resistant even in the harshest muddy or gritty conditions.


🏭 Source Factory OEM/ODM Advantage

As the original manufacturer (KOOF/LUNJE), we provide global brands with a seamless supply chain experience and technical superiority:

Full Customization (Branding): We offer high-precision laser engraving for logos and exclusive artwork. Our latest capability includes the 2026 Year of the Snake limited edition zodiac engraving—a high-margin feature for premium retailers.

Rapid Prototyping & Scalability: From initial concept to CNC-finished samples in just 12 days. We support low MOQ (50 units) for emerging brands and high-volume capacity for global distributors.

Global Compliance: Our factory is fully registered with EPR and LUCID (VerpackG) standards. Every batch passes IPX6 waterproof testing and fatigue tests exceeding industry standards.

Engineering Support: We offer custom lengths (350mm to 500mm), specialized tube diameters, and bespoke color anodizing (Gradient/Bicolor) to help your brand stand out in a crowded market.


📞 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  

🔗 Explore More Products: https://en.koofbike.com/Product/5.html

https://en.koofbike.com/Product/1.html

🔗 Butted Handlebars with Certificates: https://en.koofbike.com/Product/2.html

Classic Seatposts: https://en.koofbike.com/Product/4.html

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