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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.

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

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