What makes it special
VP Components A77CK1 Semi-Integrated Lower - Standard Upper Headset
28.6mm (1-1/8") / Black
$27.99
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VP Components / Bike Headsets
VP Components A77CK1 Semi-Integrated Lower - Standard Upper Headset
Get back on the road with an original equipment headset.
$27.99
Special order · expected Nov 16, 2026
Free pickup at any of our four stores. Questions? We're happy to help.
About this product
The details.
Genuine replacement parts
Keep your bike operating as it should.
Product details
- For headtubes with a standard press-in upper and semi-integrated lower fitting
- Uses cage ball bearings
The details
Good to know-
Specs8
- Manufacturer part #
- 1310-290398-01
- Steerer outer diameter
- 28.6mm (1-1/8")
- Crown race inner diameter
- 28.6mm
- Stack height
- Not applicable
- Bearing type
- Sealed
- Headset type upper
- Unthreaded
- Headset type lower
- Semi-integrated
- Material
- Steel
Complete your setup
Goes well with.
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