ZTTO MTB Road Bicycle CNC Headset 1 1/8″-1 1/2″ Sealed Bearing 1.5Tapered 28.6 Straight Tube Bike Fork Internal Steering Bearing

ZTTO MTB Road Bicycle Headset

Material: CNC Machined AL6061 T6
Sealed bearings
Weight: About 92~136g

ZTTO Code

Upper cup/Bearing outside diameter+ Lower cup/Bearing outside diameter + Fork tube.
Such as 4456ST:
"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.

ZTTO F4444S Folding Bike Headset

"F" for Folding bike, "44" for OD 44mm, "S"for Straight Tube fork



ZS44/28.6

ZS44/30



This headset design for floding bike, so there is NO star nut, screw and cap.

4444S

"44" for OD ø44, "S"for Straight Tube fork

ZS44/28.6

ZS44/30

3434S

"34" for OD ø34,"S"for Straight Tube fork



EC34/28.6

EC34/30

4242S

("42" for OD ø42,"S"for Straight Tube fork)

IS42/28.6

IS42/29.8

4252ST

"42" for OD ø42, "52" for OD ø52, "S"for Straight Tube, "T" for Tapered Tube fork

Integrated Angular Contact

IS42/28.6

IS52/40(30)

4252T

"42" for OD ø42, "52" for OD ø52, "T" for Tapered Tube fork

Integrated Angular Contact

IS42/28.6

IS52/40

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.

4444T

"44" for OD ø44,"T" for Tapered Tube fork

ZS44/28.6

EC44/40

4455ST

"44" for OD ø44, "55" for OD ø55, "S"for Straight Tube, "T" for Tapered Tube fork



ZS44/28.6

ZS55/40(30)

4456ST

"44" for OD ø44, "56" for OD ø56, "S"for Straight Tube, "T" for Tapered Tube fork



ZS44/28.6

ZS56/40(30)

ZTTO MTB Road Bike Headset Spacer Cover

Fits：Road and Mountain Bicycles Stems and Forks
Material : Aluminum Alloy MTB Headset Spacer&Top Cap,Stainless Bicycle Fork Headset Star Nut&Bolt
Color: Black
Light weight, strong pressure resistance, not easy to deform and suitable for majority of bicycle headset.