ZTTO 4247T Bicycle Headset
ZTTO code: Upper cup/Bearing outside diameter+ Lower cup/Bearing outside diameter + Fork tube
("42" for OD42, "47" for OD47, "T" for Tapered Tube fork)
ZTTO code is for quick search,not a accurate specifications.Please refer to SHIS(Standard Headset Information System)
Integrated Angular Contact
Attention: this is for 1-1/4" (1.25 inch )Tapered Tube.
MATERIAL: CNC MACHINED AL6061 T6
SEALD BEARING
WEIGHT: About 92g