Orbit 1.5Zs
by FSA
Orbit 1.5 ZS – 1-1/8'' to 1.5'' ZeroStack Headset
Description
A high-performance tapered ZeroStack headset designed for modern frames and forks.
The Orbit 1.5 ZS features precision 36°/45° ACB (Angular Contact Bearings) for smooth steering and long-lasting durability.
The forged alloy upper cup (blue-seal bearing) and CNC-machined alloy lower cup (black-seal bearing) deliver excellent fit, alignment, and strength for demanding road, gravel, or mountain setups.
Compatible with tapered 50 mm / 62 mm OD head tubes and 1-1/8'' to 1.5'' tapered forks.
Specs
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Upper: Forged alloy cup with ACB (blue seal)
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Lower: 1.5'' CNC-machined alloy cup with ACB (black seal)
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Stack Height: 16.9 mm + 2.9 mm = 19.8 mm
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Weight: 124.6 g
Attributes
Bearing Grade: ACB Sealed
Crown Race Diameter: 40 mm
Lower Cup: 56 mm
Headset Type: ZeroStack
Upper Cup: 44 mm
Headset Weight: 125 g
Misc: 36° / 45° ACB
Material: Aluminum
Primary Color: Black
S.H.I.S.: ZS44/28.6 | ZS56/40
Steerer Tube: 1-1/8''–1-1/2''
Stack Height: 19.8 mm
Headset Position: Complete
SHIS Upper: ZS44/28.6
SHIS Lower: ZS56/40