FSA Headset No.57/55E-1 1-1/8" Aluminium Cups OE

A proper FSA headset without the fancy retail box.

COMES WITHOUT TOPCAP AND BOLT

OEM supplied, so you get the headset, not acres of cardboard you'll throw away five minutes later.

The FSA No.57/55E-1 is a Zero Stack (semi-integrated) headset with forged aluminium cups and sealed angular contact bearings for smooth, reliable steering. It's designed for frames with a tapered 44/56 mm head tube while allowing the use of a standard 1-1/8" straight steerer fork via the supplied reducing crown race.

FSA headsets have been fitted to countless complete bikes over the years for one simple reason: they work. Fit it, adjust it, forget about it.

Features

• OEM FSA headset
• Zero Stack (semi-integrated) design
• Forged aluminium cups
• Sealed angular contact bearings for smooth operation
• Compatible with straight 1-1/8" forks
• Black finish
• OEM packaging (no retail box)

Head Tube Specification (SHIS)

• Upper: ZS44/30
• Lower: ZS56/30 (using supplied reducing crown race)

Suitable for frames with:

• 44 mm upper head tube internal diameter
• 56 mm lower head tube internal diameter
• Semi-integrated (Zero Stack) headset standard

Specifications

• Brand: FSA (Full Speed Ahead)
• Model: No.57/55E-1
• Type: Zero Stack (Semi-Integrated)
• Steerer: 1-1/8" straight
• Cup Material: Forged aluminium
• Bearings: Sealed angular contact
• Colour: Black
• Packaging: OEM (bulk packed)

Please check your frame's headset standard before ordering. Headset standards can vary even between similar-looking frames, and the easiest way to avoid disappointment is to confirm your frame uses a ZS44 upper / ZS56 lowerhead tube.