ZTTO
ZTTO 3434S A-Head Headset black EC34
Cone 30,0mm (for 1 1/8" Steerer Tube)
Lower Bearing for 1 1/8" 34mm (EC34)
Upper Bearing for 1 1/8" 34mm (EC34)
Material: Aluminium
Sealed Bearings
Weight ca. 110gramm
incl. Ahead-Plug/Claw/Bolt
Color: black

ZTTO 4444S A-Head Headset Semi-Integrated black ZS44
Cone 30,0mm (for 1 1/8" Steerer Tube)
Lower Bearing for 1 1/8" Semi-Integrated 44mm (ZS44)
Upper Bearing for 1 1/8" Semi-Integrated 44mm (ZS44)
Material: Aluminium
Sealed Bearings
Weight ca. 99gramm
incl. Ahead-Plug/Claw/Bolt
Color: black

ZTTO 4444T A-Head Headset Semi-Integrated black EC44/40 ZS44/28.6 for Tapered Fork
Cone 39,8mm (for Tapered Steerer Tube)
Lower Bearing for 1 1/8" Semi-Integrated 44mm (EC44) External Cup
Upper Bearing for 1 1/8" Semi-Integrated 44mm (ZS44)
Material: Aluminium
Sealed Bearings
Weight ca. 126gramm
incl. Ahead-Plug/Claw/Bolt
Color: black
For use of Tapered Fork in Frame with ZS44 44mm Steerer Tube

ZTTO 4455ST A-Head Headset Semi-Integrated black ZS55 ZS44
Cone 39,8mm (for Tapered Steerer Tube) with Inlet 30,0mm (for 1 1/8" Steerer Tube)
Lower Bearing for 1 1/8" Semi-Integrated 55mm (ZS55)
Upper Bearing for 1 1/8" Semi-Integrated 44mm (ZS44)
Material: Aluminium
Sealed Bearings
Weight ca. 116gramm (Tapered) / ca. 123gramm (1 1/8")
incl. Ahead-Plug/Claw/Bolt
Color: black
