Description
Tange Seiki MX320 Headset | Alloy Cups | Sealed Bearings | Old School BMX & Custom Builds
The Tange Seiki MX320 Headset is a premium choice for riders upgrading old school BMX bikes, custom frames, or vintage builds. Designed with precision alloy cups and Tange-Seiki 4T5-5 sealed bearings, the MX320 headset delivers smooth steering, durability, and reliable performance for every ride. Available in Black, Blue, Silver, Red, and Gold, this headset allows you to combine style with Japanese engineering excellence.
Overview of the Tange Seiki MX320 Headset
The Tange Seiki MX320 Headset is a modern evolution of the classic MX125, retaining its trusted performance and durability while adding modern improvements for better fit and bearing security. Its 1” threaded design makes it perfect for BMX builds, vintage bikes, or custom frames. The sealed bearings reduce friction and keep dirt and debris out, ensuring years of smooth rotation and precise steering.
Key Features of the Tange Seiki MX320 Headset
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✅ Material: Lightweight alloy cups for durability and long-lasting performance
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✅ Bearings: Tange-Seiki 4T5-5 sealed bearings for smooth, low-friction rotation
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✅ Cup Size: 32.7mm | Crown Race: 26.4mm | Steerer Size: 1” (21.1mm)
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✅ Stack Height: 36.7mm (12 + 24.7mm)
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✅ Bear Trap Assembly: Positioned below the lock-nut for enhanced security and precise fit
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✅ Compatibility: Ideal for BMX, custom builds, and vintage road bikes
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✅ Available Colors: Black, Blue, Silver, Red, Gold
Why Choose the Tange Seiki MX320 Headset?
The Tange-Seiki MX320 Headset is renowned for smooth steering, reliability, and durability. Tange-Seiki has been producing high-quality bicycle components since 1925, making them a trusted brand worldwide. Their precision engineering ensures that every MX320 headset delivers consistent performance under demanding conditions.
Riders love the MX320 for its versatility. It fits a wide range of bikes, from old school BMX to custom-built frames, and its alloy cup construction and sealed bearings make it a headset that will last for years while keeping your ride precise and controlled.
Compatibility & Applications
The Tange-Seiki MX320 Headset is perfect for:
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Old school BMX bikes
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Custom and hand-built frames
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Vintage road bikes with 1” threaded forks
Its versatile design ensures a snug fit and smooth performance across multiple frame types, making it a favourite among restorers, BMX enthusiasts, and custom bike builders alike.
Installation Tips
Installing the Tange-Seiki MX320 Headset is straightforward:
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Ensure the crown race sits flush on the fork.
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Lightly grease bearings for smooth rotation.
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Tighten the lock-nut carefully to avoid over-compression.
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Check rotation and adjust preload as necessary.
Proper installation guarantees maximum performance and longevity from your MX320 headset.
Why Buy the Tange Seiki MX320 Headset from Hopkinson Cycles?
At Hopkinson Cycles, we are a family-run business passionate about cycling. When you choose the Tange-Seiki MX320 Headset from us, you get:
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🛠️ Free UK Postage – Save on delivery costs
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🔧 Expert Advice – Speak directly to cycling specialists who ride and test these components
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🏠 Family-Run Business – Honest service from real people, not a faceless corporation
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📞 Direct Support – Guidance to help you select the right headset for your bike
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🚴 Fast Dispatch & Quality Service – In-house stock management ensures your order arrives quickly
Explore more top-quality components like the headset range or learn more about Tange Seiki history.
📍 Address: Hopkinson Cycles, Queen Street, Horbury, Wakefield, WF4 6LP
📞 Phone: 01924 274209
📧 Email: info@hopkinsoncycles.com
🌍 Website: www.hopkinsoncycles.com
Upgrade your BMX, custom frame, or vintage bike today with the Tange Seiki MX320 Headset—a combination of precision engineering, smooth performance, and long-lasting reliability.










