The 40-Series is the workhorse of Cane Creek's headset lineup and incorporates all the features necessary for a durable, lightweight and long-lasting headset while offering the perfect balance of performance and value . Contoured and relieved 6061-T6 aluminum for minimized weight and maximized strength with split-lip sealed stainless steel bearings. Low friction, dual-seal crown race and top cover provides maximum sealing from contaminants, plus a captured compression ring design for carbon steerer compatibility (Interlok spacer compatible, sold separately). Cane Creek Integrated 41.0mm ID (36x45), Campy Hiddenset 42.0mm ID (45x45) , ZS (ZeroStack), or EC (traditional, External Cup) available for 1", 1-1/8" and tapered steerers. Carbon indicates a carbon top cover on upper cup. Internal.
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