Cane Creek 40-Series ZS Zero Stack Threadless Bottom Assembly Headset ZS56/40

The 40-Series is the work-horse of Cane Creek's headset line-up and incorporates all the features necessary for a durable, light-weight and long-lasting headset while offering the perfect balance of performance, durability and value

Separate top and bottom assemblies available by Cane Creek allowing you to mix-and-match to fit your frame and fork needs.

• ZeroStack Threadless Bottom Assembly
• Complete bottom headset including crown race
• 6000 series alloy cups and a sealed steel crown race
• Low friction, dual-seal crown race provides maximum sealing from contaminants
• ZN40 Zinc-coated corrosion-resistant bearings with machined steel balls which vastly increase longevity of the 40-Series headset 
  
• Interlok spacer compatible
• Internal parts are cross-compatible with 10-Series, 40-Series and 110-Series