Origin 8 31.8 Integrated-IS Sealed Bearing Headset

The Origin 8 31.8 Integrated-IS Sealed Bearing Headset is a tapered Campagnolo IS headset that is compatible with 1-1/8" upper and 1-1/2" lower steerer tubes. It features sealed bearings for long lasting performance and durability. The headset also comes with an alloy top cap and star nut. The upper bearing has a 45º/45º angle and an outer diameter of 41.8mm, while the lower bearing has a 45º/45º angle and an outer diameter of 52mm. The crown race has an inner diameter of 39.76mm and the stack height is 15.9mm. This headset is perfect for those looking for a high-quality, durable and easy to install option for their bike.