1-1/2" Threadless 4456ST ZS44 ZS56 Bicycle Headset Bike Headset Sealed Bearing

45 degree design, Special Sealed bearing for headset. waterproof design keep your steering smooth and long life. Sealed Bearing. Note: "44" for OD ø44,"56" for OD ø56,"S"for Straight Tube ,"T" for Tapered Tube fork.

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