The AER headset upper is a great choice for road and mountain bike applications- a high quality durable headset upper with durability and lightweight performance in mind.
Specifications:
- Bearing Type: Cartridge
- Color: Black
- S.H.I.S Upper: ZS44
- Upper Stack Height: 15
- S.H.I.S. Stem Clamp Diameter: 28.6 Threadless