1-1/8" Double Sealed Bicycle Headset Bearing 30.5x41.8x8mm (45°/45°)

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?

1. They’re designed to handle both radial and axial forces for smoother steering.

2. The 45/45 angle improves load distribution and turning precision.

3. Commonly used in high-end bike frames where precision and fit are critical.

Ideal for riders needing reliable, sealed performance with specialized frame compatibility.