Cane Creek 40 Series Headset Solutions. Features: ~ 40-Series Solutions: separate top and bottom headset cup assemblies for tapered, reducer and conversion applications (mix & match system helps reduce inventory overlap) ~ Same features and materials as 40-series complete headsets ~ Top assemblies include star nut and top cap, while bottom assemblies include crown race (Carbon indicates a carbon top cover) ~ 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 ~ Please see: www.canecreek.com/headset-fit-finder for fit information Specs S H I S : ZS56/30 Upper Lower : lower Stack : 4mm Color : black Weight : 88g Please visit our website at http://www.ecomtb.com.my OR https://shopee.com.my/eco_mtb ** There is 1-3cm errors due to manual measurement. Please kindly understand. ** Actual product colour may slightly vary due to photographic lighting sources or your monitor settings. ** WE DO NOT DO COD ** ONLINE ONLY ** We support original products only. ** PRICE INDICATED IS ALREADY BEST PRICE, EXCLUDE COURIER