Universal bike stem factory
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Factory Direct MTB Bicycle Stem 25.4mm/31.8mm | Ready-to-Ship Large Supply
XT-A089 🚴 3D Forged High-Strength One-Piece Stem Unlike standard stems that compromise on weight or structural integrity, LUNJE’s 089 series is 3D forged and CNC precision-engineered as a single high-strength unit. The ultra-modern hollowed-out design isn't just for aesthetics; it’s a strategic weight-reduction feat that maintains maximum torsional rigidity. This ensures a direct, responsive steering feel for trail-ready performance and professional MTB applications. ( ISO 4210 compliant bike stem ) 💎 Technical Specifications: 🆔 Model: LUNJE® XT-A089 (Universal Standard Stem Factory Series) 🛡️ Process: 3D Forged One-Piece & Advanced CNC Machining (High-Precision Hollow Design / Impact Resistant) ⚙️ Material: Aerospace-Grade 6061-T6 Aluminum Alloy 📏 Size (Clamp): 25.4mm / 31.8mm (Both standards in stock for global compatibility) 📏 Specifications: Length: 60/70/80/90mm, Angle: ±7°, Fork Diameter: 28.6mm (1-1/8") ✅ Standards: ISO 4210 Compliant (SGS Certified Fatigue & Strength Testing) 🎨 Finish: Sandblasted Anodized / Fine Frosted Texture (Corrosion-Resistant) 🌈 Color: Classic Black / Vibrant Red / Cobalt Blue / Golden (Custom Logo / Film-free labeling available) 🏭 Supply: Source Factory Direct / Large-Scale Ready-to-Ship Inventory for OEM Handlebar & Stem Brands
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Building 3, 4th Floor, Pufite Technology Park, Dalang Street, Longhua District, Shenzhen