LUNJE® 3D Forged Suspension Stem Factory - SGS Certified Adjustable ±60° Shock Absorber for E-Bike/Gravel/Trekking Upgrade

XT-A829 🏆 3D Forged Suspension Stem Factory (SGS Certified) 💎 Technical Specifications: 🆔 Model: LUNJE® XT-A829 (Suspension Bike Stem Series) 🛡️ Material: 3D Forged 6061-T6 Aluminum Bike Parts (High Strength) ⚙️ Tech: Smart Shock Absorber (Soft/Hard Spring Options) 📏 Length: 60/70/80/90/100/110mm Options ⭕ Clamp: 31.8mm (Standard Aluminium Bicycle Handlebars Fit) 📐 Adjustment: Adjustable Bike Stem OEM (0-60° Customizable Rise) 🍴 Steerer: 28.6mm (1-1/8") Universal Compatibility 🎨 Finish: Black/Purple Anodized (Bicycle Parts Custom Logo Available) ✅ Performance: Absorbs 30% Trail Vibrations / 45% Fatigue Reduction 📜 Compliance: SGS Certified & ISO 4210 Bike Stem Compliant Direct Factory Quotes & OEM/ODM Support: 📧 E-mail: lunje.bicycle@gmail.com 📱 WhatsApp: +86 13798419681

LUNJE 30° rise riser stem, 50 mm height, designed for upright‑style mountain bikes to enhance riding comfort; 31.8 mm handlebar clamp and 28.6 mm steerer tube—no top cap required.

✅ One‑click installation for 28.6 mm forks (no cap required). ✅ Say goodbye to back pain! 30° rise handlebar stem, suitable for mountain bikes and road bikes. ✅ Quick installation, forged monolithic design, compatible with 31.8 mm handlebars. 🚵🏻‍♀️ Contact us for a quote and OEM customization: 📧 Email: spencerchou@koofbicycle.com 📱 WhatsApp: +86 19926456877 🌐 Product page: #MountainBikeStem #DownhillBikes #EnduroBikes #BicycleAccessories #OEMManufacturing

LUNJE® XT-A030 Skeleton MTB Stem Factory - 31.8mm/45mm Lightweight CNC Stem China Manufacturer - Bulk Alloy Components

🚀 LUNJE® XT-A030 Skeleton Series – Ultra-Light Precision MTB Stem Skeleton Design | 31.8mm/45mm | 145g Competitive Weight 💎 Key Innovations: ✓ Extreme Lightweight (145g): Innovative Skeleton Hollow-Forged 6061-T6 aluminum reduces mass without compromising structural integrity. ✓ Titanium Hardware Integration: Factory-fitted with Grade 5 Titanium Screws for ultimate weight reduction and permanent corrosion resistance. ✓ Optimized Handling Geometry: The 45mm Short Reach design provides razor-sharp steering control, perfect for modern aggressive trail geometry. ✓ Anodized Aesthetics: Premium Rainbow & Gradient finishes with a matte CNC-machined surface that resists scratches and looks stunning on high-end builds.