Forty Combines durability and value. Cane Creek's 40-Series sets the standard for performance, durability and value. The 40-Series includes all the features necessary for a durable, lightweight, long-lasting headset. You are buying a upper bearing and top cap assembly. ZN40 Bearings The ZN40 bearings are corrosion-resistant zinc-coated, machined steel cartridge bearings with hardened steel balls, which vastly increases the longevity of the 40 series headsets. This upper bearing is a direct fit for Ebay Item Numbers: 23462530106 and 234625301358 search these numbers to learn more.
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