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.

• ZeroStack (Top) with External Cup (Bottom) Threadless Headset
• Contoured and relieved 6061-T6 aluminum headset cups
• Low friction, dual-seal crown race and top cover provide maximum sealing from contaminants
• Captured compression ring design for carbon steer compatibility
• 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