Cane Creek, 110 Ext Cup Set Black 1-1/8", 34mm Head-Tube EC34/28.6|EC34/30

* No-Compromise Premium Headset Series* Cut in Cane Creek's Fletcher, NC Manufacturing Facility* Top-Quality Polishing, Anodizing and Laser Etching in the USA* 7075-T6 Aluminum Cups and Covers, Internally Contoured and Relievedto Minimize Weight and Maximize Strength* Top-Quality Sealed, Stainless Steel Bearings* Low-Friction Top Cover Seal Completely Seals Cup from Solid and Liquid Contaminants* Fully Captured Top Cover - No Loose Parts* Updated Compression Ring Design Further Enhances "Carbon Friendly"Uses by Evenly Distributing Clamping Forces on the Steerer* Interlok Spacer Compatible* "Dual-Seal" 7075-T6 Aluminum Crown Race for Maximum SealingEfficiency* Consistent Stack Heights Across 10, 40 and 110-Series* Internal Parts Are Cross-Compatible Across 10, 40 and 110-Series