说明

• ZTTO 4456ST Bicycle Headset forty five degree ZS44 ZS56 ZTTO code: Upper cup/Bearing exterior diameter+ Lower cup/Bearing outdoors diameter+ Fork tube ("44" for OD ø44mm, "56" for OD ø56mm "S"for Straight Tube ,"T" for Tapered Tube fork) ZTTO code is for fast search,not a accurate specs seek advice from SHIS(Standard Headset Information System) ZS44/28 ZS56/40(30) If you've got any question about headset standard,Please search "headset standard tool" or touch us MATERIAL: CNC MACHINED AL6061 T6 45 degree SEALED BEARING WEIGHT: About 126g Please measure your frame and fork earlier than purchasing Durable bearings, waterproof design 45 degree design , Special Sealed bearing for headset water-resistant design keep your steering delicate and lengthy life Precise CNC manufacturing, minimal stack peak

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