Cane Creek Cycling 40 Zero Stack Headset: 44, 49/40

Super-smooth steering, quality materials, cutting-edge design and serious durability are all hallmarks of Cane Creek’s 40-Series headsets. – Technical Description: ZS44/28.6/H8EC49/40/K – Top Type: ZS – ZeroStack – Top Head Tube Inside Dia.: 44.00mm – Stem Clamp Dia.: 28.6mm – Top Stack Height: 8mm – Top Bearing Type: Black Oxide, Sealed – Bottom Type: EC – External Cup – Bottom Head Tube Inside Dia.: 49.61mm – Crown Race Seat Dia.: 39.79mm – Crown Race Type: Steel, Face-Sealed – Bottom Stack Height: 12mm – Bottom Bearing Type: Black Oxide, Sealed – Material: 6061 aluminum – Weight: 97g