Internal HS Upper – Orbit Z – 44mm ZS

HEADSET TYPE: Threadless Zero Stack
STEERER TUBE: Straight 11/8″
MATERIAL: Alloy
UPPER CUP: 44mm Flush Cup
UPPER BEARING:36 x 45 11/8″ ACB Sealed Bearing 41.0mm OD

External HS Upper – Orbit X – 34mm EC

HEADSET TYPE: Threadless External Cup
STEERER TUBE: Straight 11/8″
MATERIAL: Alloy
UPPER CUP: 34mm External Cup
UPPER BEARING: 36 x 45 11/8″ ACB Sealed Bearing 41.0mm OD

Integrated HS Upper – Orbit C – 41.8mm OD

HEADSET TYPE: Threadless Integrated
STEERER TUBE: Straight 11/8″
MATERIAL: Alloy
UPPER CUP: N/A
UPPER BEARING: 36 x 45 11/8″ ACB Sealed Bearing 41.0mm OD

Integrated HS Upper – IS2 – 41mm OD

HEADSET TYPE: Threadless Integrated
STEERER TUBE: Straight 11/8″
MATERIAL: Alloy
UPPER CUP: N/A
UPPER BEARING: 45 x 45 11/8″ ACB Sealed Bearing 41.8mm OD