What makes it special
FSA Trek FSA No. 57 E2 Tapered Headset with Reducer
28.6mm (1-1/8") / 38.1mm (1-1/2") / Black
$58.99
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FSA / Bike Headsets
FSA Trek FSA No. 57 E2 Tapered Headset with Reducer
Value oriented replacement parts
$58.99
Special order · expected Dec 28, 2026
Free pickup at any of our four stores. Questions? We're happy to help.
About this product
The details.
Genuine replacement parts
This ZS/Semi-Integrated complete headset is perfect for cost effective replacements and custom projects.
Product details
- E2 Tapered Steer Semi-Integrated Headset w/Reducer
- Includes star nut and top cap
The details
Good to know-
Specs7
- Manufacturer part #
- ZS44/28.6 | ZS56/30
- Steerer outer diameter
- 28.6mm (1-1/8") / 38.1mm (1-1/2")
- Crown race inner diameter
- 28.6mm
- Stack height
- 7mm
- Bearing type
- Sealed
- Headset type upper
- Unthreaded semi-integrated
- Headset type lower
- Semi-integrated
Complete your setup
Goes well with.
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