Argon 18 Headset IS‑2 6.5 mm (30676)

The Argon 18 Headset IS‑2 6.5 mm (30676) is the original top cover used on many Argon 18 road, gravel, and triathlon frames equipped with an IS‑2 integrated headset. This 6.5 mm top cover helps set the correct stack height, ensures smooth steering performance, and maintains proper compression on the upper headset bearing.

• Original Argon 18 IS‑2 top cover (6.5 mm)

• Fits IS‑2 integrated headset systems (45° × 45°)

• Helps maintain correct stack height and cockpit fit

• Works with IS42/28.6 upper bearings

• Smooth, precise steering performance

• Direct OEM replacement

• Durable molded construction

• Sold as the top cover only