External cup headsets threadless mtb 

External cup headsets Internally Contoured and Relieved Cups and Covers Minimize Weight and Maximize Strength Cut in Cane Creek's Fletcher, NC Manufacturing Facility Top-Quality Polishing, Anodizing and Laser Etching "Dual-Seal" Aluminum Crown Race for Maximum Sealing Efficiency Updated Compression Ring Design Further Enhances "Carbon Friendly" Uses by Evenly Distributing Clamping Forces on the Steerer Product Description Rider's desire, continuously improving. 1. Size: 1-1/8" 2.Bearings: Sealed-cartridge(P03*2) 3.Application:EXTERNAL CUP HEADSETS Threadless for MTB/ROAD Product Name GINEYEA GH-608 Threadless Bicycle Headparts Component for Road Bike                                    Finish Silver , BK, AD，CP…