FSA NO.57E ORBIT 1.5E ZS Semi-Integrated Headset – 1-1/8"–1.5", Tapered Steerer
EAN: 4712010058556
Part Number: 121-0503
Brand: FSA
Type: Semi-integrated headset (ZS)
The FSA NO.57E ORBIT 1.5E ZS semi-integrated headset is designed for tapered 1-1/8"–1.5" fork steerers. Its reliable construction makes it suitable for road, MTB and urban bikes, providing smooth and precise steering performance.
The ACB angular contact bearings ensure smooth operation and reliable load handling, while the aluminium top cover provides a lightweight and durable design.
Key Features
Semi-integrated (ZS) design
Compatible with tapered 1-1/8"–1.5" fork steerers
ACB angular contact bearings
36° / 45° bearing contact angles
Aluminium top cover
Suitable for road, MTB and urban bikes
Technical Specifications
| Specification | Details |
|---|
| Brand | FSA |
| Model | NO.57E ORBIT 1.5E ZS |
| Part Number | 121-0503 |
| EAN | 4712010058556 |
| Type | Semi-integrated headset (ZS) |
| Application | Road, MTB, urban / commuting |
| Steerer Size | Tapered, 1-1/8"–1.5" |
| Bearings | ACB angular contact |
| Bearing Sizes | 1-1/8" / 1.5" |
| Bearing Contact Angles | 36° / 45° |
| Head Tube Outside Diameter | 50 / 62 mm |
| Top Cover Material | Aluminium |
| Stack Height | 16.9 + 2.9 = 19.8 mm |
| Weight | 124 g |
Applications
Suitable for road, mountain and urban bikes using a semi-integrated (ZS) headset standard and a tapered 1-1/8"–1.5" fork steerer. Before purchasing, check the frame's head tube dimensions and required headset standard to ensure compatibility.
