1-1/8" Double Sealed Bicycle Headset Bearing 30.5x41.8x8mm (45°/45°)
UPC: 00193019191477
Bearing has recess lip on the inner surface as required for some Specialized models.
1-1/8" Sealed Bicycle Headset Bearing
✔️ 30.5x41.8x8mm - 45/45 Angle - Inner Lip Design
This 1-1/8" angular contact headset bearing is designed for bicycles using a 45°/45° configuration, featuring a recessed lip on the inner surface for compatibility with certain Specialized models. Sealed and pre-lubricated, it offers smooth steering and long-term durability.
✅ Size: 30.5mm ID x 41.8mm OD x 8mm Width
✅ Type: Angular Contact Ball Bearing (45°/45°)
✅ Material: Chrome Steel
✅ Closures: Double Rubber Seals (seal color may vary)
✅ Inner Surface: Recessed lip for Specialized compatibility
✅ Quantity: 1 Bearing
💡 Why use angular contact bearings in bicycle headsets?
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They’re designed to handle both radial and axial forces for smoother steering.
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The 45/45 angle improves load distribution and turning precision.
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Commonly used in high-end bike frames where precision and fit are critical.
Ideal for riders needing reliable, sealed performance with specialized frame compatibility.