110 Headset IS41/28.6|IS52/40, Tall Top 51.1 OD Blk

- 110-Series features the strongest materials, most effective seals and the best aesthetics with a 110 year no-questions-asked warranty\n- Contoured and relieved 7075-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- Internal parts are cross-compatible across the 10, 40 and 110 series