Description
ZTTO Bicycle Headset
Material: CNC machined AL6061 T6
SEALD BEARING
ZTTO code: Upper cup/Bearing outside diameter+ Lower cup/Bearing outside diameter + Fork tube
44 for OD ø44,56 for OD ø56,Sfor Straight Tube ,T for Tapered Tube fork
ZTTO code is for quick search,not a accurate specifications.Please refer to SHISStandard Headset Information System
If you have any question about headset standard,Please google headset standard park tool or contact us
Caution: Due to product batch,the colors of crown race and bearing will be different. But it won't have any bad influence on its performance.
4252T
42 for OD ø42, 52 for OD ø52, T for Tapered Tube fork
Integrated Angular Contact
IS42/28.6
IS52/40
4252ST
42 for OD ø42, 52 for OD ø52, Sfor Straight Tube, T for Tapered Tube fork
Integrated Angular Contact
IS42/28.6
IS52/4030
4444S
44 for OD ø44, Sfor Straight Tube fork
ZS44/28.6
ZS44/30
4444T
44 for OD ø44,T for Tapered Tube fork
ZS44/28.6
EC44/40
4455ST
44 for OD ø44, 55 for OD ø55, Sfor Straight Tube, T for Tapered Tube fork
ZS44/28.6
ZS55/4030
4456ST
44 for OD ø44, 56 for OD ø56, Sfor Straight Tube, T for Tapered Tube fork
ZS44/28.6
ZS56/4030
3434S
34 for OD ø34,Sfor Straight Tube fork
EC34/28.6
EC34/30
4247T
42 for OD42, 47 for OD47, T for Tapered Tube fork
IS42/28.6
IS47/33
Attention: this is for 1-1/4 1.25 inch Tapered Tube.
F4444S Folding Bike Headset
F for Folding bike, 44 for OD 44mm, Sfor Straight Tube fork
ZS44/28.6
ZS44/30
This headset design for floding bike, so there is NO star nut, screw and cap.