34mm Bike Headsets steering Sealed Cartridge Bearings Stem taper Column Mountain Bike Road Bike CNC Threadless External Headset

High-concerned chemical：None Type：Bicycle Headset Model Number：A5A041 Size：34mm Weight：100g Outside Diameter：45mm Bore Diamete：34mm Material：Aluminum alloy Brand Name：NowAct Origin：Mainland China Height：50MM

High-concerned chemical: None Type: Bicycle Headset Model Number: A5A041 Size: 34mm Outside Diameter: 45mm Bore Diamete: 34mm Brand Name: NowAct Origin: Mainland China Height: 50MM