Orbit C-33
by FSA
FSA Orbit C-33 – Integrated Tapered Headset (1-1/8'' to 1-1/4'')
Description
The Orbit C-33 is a lightweight, premium integrated headset designed for modern tapered frames and forks.
Compatible with carbon or alloy head tubes, it uses precision 45°/45° angular contact bearings (ACB) for smooth, reliable steering performance.
A carbon-fiber top cover keeps the profile sleek and reduces weight, while size-specific upper (1-1/8'') and lower (1-1/4'') bearings ensure proper load distribution.
Specs
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Headtube compatibility: 47 mm / 52 mm OD
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Fork compatibility: 1-1/8'' to 1-1/4'' tapered
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Upper bearing: 1-1/8'' ACB (yellow seal)
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Lower bearing: 1-1/4'' ACB (black seal)
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Carbon-fiber top cover
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Stack height: 15.6 mm + 1 mm = 16.6 mm
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Weight: 69 g
Attributes
Bearing Grade: ACB Sealed
Crown Race Diameter: 33 mm
Lower Cup: 47 mm
Headset Type: Integrated
Upper Cup: 42 mm
Headset Weight: 69 g
Misc: 45°/45° ACB (black seal)
Primary Color: Carbon
S.H.I.S.: IS42/28.6 | IS47/33
Steerer Tube: 1-1/8''–1-1/4'' (tapered)
Stack Height: 16.6 mm
Headset Position: Complete
SHIS Upper: IS42/28.6
SHIS Lower: IS47/33