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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® MTB Heavy Duty Stem CNC Factory - OEM SGS Certified M6 Bolt High-Torque Alloy bike stem manufacturer for Enduro, Downhill & E-MTB


Why the XT-A037 Stem Opts for M6 Bolts Over the Industry-Standard M5? 🏭 LUNJE Factory: Committed to Rider Safety 1. Maximum Clamping Force for DH, Enduro, and E-MTB Safety 2, High Durability & Fatigue Resistance (Built to Last) 3, Zero Bolt Stripping (M6 Precision Engineering) 4, Over-Engineered for Heavy-Duty Performance Technical Specifications :💎 ✓ Model: LUNJE XT-A037 (New models for sale now) ✓ Material: Full CNC Machined 6061-T6 Aluminum Alloy ✓ Length: 35mm (Short reach for snappier handling) ✓ Handlebar Clamp Diameter: 31.8mm (Ideal upgrade for 31.8mm handlebars) ✓ Steer Tube Diameter: 28.6mm (1-1/8") ✓ Angle: 0° Degree (sharpens up the handling) ✓ Weight: Approx. 160g (Optimized Strength-to-Weight Ratio) ✓ Finish: Anodized Scratch-Resistant Surface (clean, race-ready look)

LUNJE® XT-A032 5-Axis CNC Stem manufacturer - 31.8mm/35mm Ultra Short MTB Stem (ISO 4210) Custom Logo OEM


XT-A032 🚴 35mm Ultra-Short Innovative Stem lightweight hollow structure Ultimate Control Precision 5-axis CNC machined 3D dynamic tiger stripe reduces wind resistance multi-angle refraction upgrade anodization bike industrial aesthetics for MTB DH BMX & Enduro; 🚴Key Innovations: ▸ 35mm ultra-short center (instant steering response), ▸ 5-axis CNC machined from T6 aluminum, ▸ Patent-pending 3D tiger stripe aerodynamics, ▸ Military-grade gradient anodization, ▸ 150g optimized hollow design, 🚴Performance Benefits: ✓ 18% faster steering input, ✓ 15% reduced wind resistance, ✓ 800HV surface hardness, ✓ UCI-certified for pro racing, 🚴Built For Champions In: • Downhill • Enduro • BMX • Technical Trail. 🔥 Why Choose LUNJE? 🚴🏼‍♀Designed for riders who demand instant response and unshakable control on technical trails. 🛠Perfect for OEM brands seeking high-performance, customizable stems with a rugged aesthetic. 🏭 OEM/ODM Solutions: ✓ Multiple lengths & clamp sizes ✓ Custom laser engraving ✓ Bulk pricing for brands, ✓ Rigorous QC testing for impact & fatigue resistance, 📩 Get Your Custom Quote Today! 📧 Email: georgechen@koofbicycle.com 📱 WhatsApp: +86 13798419681 🌐 Website: https://en.koofbike.com/Product_detail/43.html 💬 "Already using our stem ? Share your experience below!" 🚴 Tag us in your setup—we love seeing LUNJE parts in action! 🏷️ Trending Hashtags: #MTBStem #ShortStem #LUNJEStem #OEMSupplier

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.