The Avian Tapered Integrated is for a lot of the newer, higher-end pro-sized frames that utilize a head-tube design that has a 1-1/8″ top bearing and a 1.5″ lower bearing.
- 18mm carbon fiber top cover options available
- one 1-1/8″ sealed bearing
- one 1.5″ sealed bearing
- 72mm expander plug
- one 1-1/8″ lower bearing race
- one 1.5″ lower bearing race
- Avian laser logo top cap & screw