Cane Creek 40 IS42/28.6 Short Cover Top Headset - Black

6061 T-6 Aluminum Internally relieved to reduce weightDurable steel crown racesAll complete Cane Creek headset assemblies (top or bottom) will use a 36×45 degree contact angle bearing, with the exception of our IS47/33 and EC44/33 headset assemblies. IS47/33 and EC44/33 will use a 45×45 degree contact angle bearing.Interlok®Interlok® spacer compatibleClip SealInnovative Clip-Seal completely seals the top assembly and captures the compression ring to reduce the number of loose partsFace SealHigh-quality, low friction face seals on the crown racesStack HeightsExternal Cup (EC) - 16mm top, 12mm bottom, ZeroStack (ZS) - 8mm or 15mm top, 4mm bottom, Integrated (IS) - 9mm or 15mm top, 1mm bottom