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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 40series 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", 11/8" and tapered steerers
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🇺🇸 Ship from USA · On Agora since 2026
$39.99