ZTTO 4456ST Bicycle Headset 45 degree ZS44 ZS56
ZTTO code: Upper cup/Bearing outside diameter+ Lower cup/Bearing outside diameter+ Fork tube
("44" for OD ø44mm, "56" for OD ø56mm "S"for Straight Tube ,"T" for Tapered Tube fork)
ZTTO code is for quick search,not a accurate specifications.please refer to
SHIS(Standard Headset Information System)
ZS44/28.6
ZS56/40(30)
If you have any question about headset standard,Please search "headset standard tool" or contact us
MATERIAL: CNC MACHINED AL6061 T6
45 degree SEALED BEARING
WEIGHT: About 126g
Please measure your frame and fork before buying
Durable bearings, waterproof design
45 degree design , Special Sealed bearing for headset. waterproof design keep your steering smooth and long life.
Precise CNC manufacturing, minimum stack height