Headsets

The AER headset lower is a great choice for road and mountain bike applications- a high quality durable headset lower with durability and lightweight performance in mind. - Steel/Aluminum hybrid bearings

Super-smooth steering, quality materials, cutting-edge design and serious durability are all hallmarks of Cane Creek's 40-Series headsets. • Technical Description: ZS49/30/H4/K • Bottom Type: ZS - ZeroStack • Bottom Head Tube Inside Dia.: 49.61mm • Crown Race Seat Dia.: 30.015mm • Crown Race Type: Steel, Face-Sealed • Bottom Stack Height: 4mm • Bottom Bearing Type: Black Oxide, Sealed • Material: 6061 aluminum • Weight: 58g