HX1 / HX2 / EVO G2 Headset Technical Spec

Any headset with the same spec as the one below will work.  Call us if you'd like to order directly from us for one of your frames.

FSA Orbit 1.5ZS Internal 1-1/8" top/1.5" lower

Part Number: HD4553
Category: Headsets
Manufacturer: FSA (Full Speed Ahead)
Model: Orbit 1.5ZS
Manufacturer Part Number: 141-2040
Universal Product Code: 400310033208

Orbit 1.5ZS is a 1-1/8" Zero stack top cup paired to a 1.5" Zero Stack lower cup. For use with tapered steerers and tapered headtubes

Item Specifications
Color	Black
Material	Alloy
Steerer Tube	1 1/8" to 1.5" Tapered
Crown Race	39.7
Stack Height	19.8mm
Bearing Type	ACB
Headset Type	Internal Upper 44mm OD, Internal Lower 56mm OD