The pinnacle of Cane Creek headsets featuring a manufacturer 110 year warranty 7075 T-6 Aluminum construction Internally contoured and relieved to minimize weight and maximize strength Dual-Seal crown race seal provides excellent seal efficiency with low friction Updated carbon-friendly captured compression-ring Internal parts are cross-compatible across the 10, 40 and 110 series Top-quality, sealed stainless steel bearings EC34/28.6|EC34/30 Black 97g 28.6 34 30 28 1-1/8`UPC/EAN/GTIN: 840226095677