
FSA Orbit 1.5Zs
The FSA Orbit 1.5Zs is a ZeroStack tapered headset (ZS44/28.6 upper, ZS56/40 lower) with sealed angular contact bearings in forged and CNC-machined alloy cups, weighing about 125 grams. It fits frames with tapered 50/62mm head tubes running 1-1/8 to 1.5 inch tapered steerer forks.
- 1-1/8"/1.5", 36°/45° ACB
- For tapered 50 mm/62 mm OD head tube
- For 1-1/8" to 1.5" tapered fork
- Upper: Forged alloy cup with ACB (blue seal)
- Lower: 1.5" CNC-machined alloy cup with ACB (black seal)
- Stack height: 16.9 mm + 2.9 mm = 19.8 mm
Pairs well with

FSA Orbit 1.5Zs
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