Avian (IS) Tapered Headset - Carbon

AVIAN HEADSET (IS) 1-1/8" – 1.5"

The Avian headset is an “integrated” or “IS” type headset, specifically designed for frames with a tapered 1-1/8" – 1.5" head tube. Precisely CNC-machined, this headset ensures easy installation and guarantees smooth, responsive steering. Its design is built to meet the needs of the most demanding riders, delivering an exceptional riding experience.

SPECIFICATIONS

• Material: Aluminum / Steel (Bearings)
• Type: Integrated (IS)
• SHIS Code: IS42/28.6 - IS52/40
• Upper Bearing: 1-1/8" (30.4–41.8 mm / 45°x45°)
• Lower Bearing: 1.5" (40.2–51.9 mm / 45°x45°)
• Fork Compatibility: 1-1/8"
• Weight: 138 g

Kit contents :

• 1x Top cover (8 mm)
• 1x Expander plug
• 2x Adjustment washers
• 1x Compression ring
• 1x Upper bearing (1-1/8")
• 1x Lower bearing (1.5")
• 1x Fork crown race (1.5")
• 1x Fork crown reducer race (1.5" to 1-1/8")

Note: The included expander plug is designed for use with 1-1/8" steerer tubes with a 23.2 mm inner diameter. If your fork has a steerer tube thicker than 2.7 mm, the expander plug will not be compatible. Fork manufacturers using steerer tubes thicker than 2.7 mm should provide a stem lock system or another type of internal locking device.