FSA Headset Orbit 1.5E ZS-1 NO.57E-1 | ZS44/28,6 | ZS56/40 | Semi-Integrated Tapered 1 1/8" - 1 1/2" | black
This FSA headset is a semi-integrated headset for tapered head tubes and fork steerer tubes. With its sealed ball bearings, it offers easy handling and low maintenance at a good price/performance ratio. It is a ZS version (Zero Stack - semi-integrated) with a press-fit dimension Ø of 44 mm at the top and 56 mm at the bottom.
An Ahead cap incl. screw is included in the scope of delivery, as is the Ahead claw.
NOTE: Contrary to the manufacturer's technical illustrations, this headset is supplied with the 8 mm flat cover: H2051A.
Technical data:
Material: steel, plastic, aluminum (Ahead cap)
Design: semi-integrated
Fork steerer: 1 1/8"
S.H.I.S. upper part: ZS44/28.6
S.H.I.S. lower part: ZS56/40
Press-in dimension top Ø: 44 mm
Top offset: 9 mm
Press-in dimension bottom Ø: 55.95 mm
Offset bottom: 15 mm
Outer diameter top: 50 mm
Outer diameter bottom: 62 mm
Overall height top: 12.8 mm
Overall height bottom: 2.9 mm
Bearing: sealed angular contact ball bearing
Color: black
Weight according to manufacturer: 129.6g
Weight self-weighed: 125g (incl. flat cover, Ahead cap, bolt and claw)
Scope of delivery:
1x upper part incl. bearing ZS44/28.6
1x lower part incl. bearing and fork cone ZS56/40
1x Ahead cap incl. screw and Star nut