Orbit MX
by FSA
FSA Orbit MX – 1-1/8'' External Threadless Headset
Description
The Orbit MX is a lightweight, high-performance external headset designed for smooth steering and long-lasting durability.
Featuring precision 36°/36° ACB sealed bearings with black seals in both the upper and lower assemblies, it provides consistent, low-friction rotation and excellent load handling.
Forged and CNC-machined alloy cups keep the headset light without sacrificing strength, making it suitable for road, gravel, and MTB builds using a straight 1-1/8'' steerer.
Specs
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Upper bearings: 1-1/8'' – 36°/36° ACB (black seal)
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Lower bearings: 1-1/8'' – 36°/36° ACB (black seal)
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Stack height: 32.1 mm
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Headset weight: 100 g
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Cups: Forged and CNC-machined alloy
Attributes
Bearing Grade: ACB Sealed
Crown Race Diameter: 30 mm
Lower Cup: 34 mm
Headset Type: External, Threadless
Upper Cup: 34 mm
Headset Weight: 100 g
Misc: 36°/36° ACB (black seal)
Material: Aluminum
Primary Color: Black
S.H.I.S.: EC34/28.6 | EC34/30
Steerer Tube: 1-1/8''
Stack Height: 32.1 mm
Headset Position: Complete
SHIS Upper: EC34/28.6
SHIS Lower: EC34/30