Cane Creek 40 Series EC44/33 Conversion Headset Lower Assembly Black. 40-Series External Cup headsets set the standard for performance durability and value. Drawing from the premium 110-Series design the 40-Series includes all the features necessary for a durable lightweight long-lasting headset.

• Sealed ZN40 cartridge bearings
• 6000 series alloy cups and materials
• Steel crown race with integrated seals
• Interlok spacer compatible

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