Cane Creek 40 Series Headset BAA0741K

- 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 \n- Contoured and relieved 6061-T6 aluminum for minimized weight and maximized strength with split-lip sealed stainless steel bearings\n- 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)\n- 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\n- Carbon indicates a carbon top cover on upper cup\n- Internal parts are cross-compatible across the 10, 40 and 110 series