Product description
Brand New and High Quality
Material : CNC Machined AL6061 T6
Upper cup/Bearing outside diameter+ Lower cup/Bearing outside diameter + Fork tube.
"44" for OD ø44,"56" for OD ø56,"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)
Note:please check your frame upper diamater,lower diamater,fork tube upper diamater and lower diamater before buying.
Package Included: Set of Bicycle Headset