Trek 2018 Session 0-Degree Head Angle Headset Assembly
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Trek 2018 Session 0-Degree Head Angle Headset Assembly
Model W557045
Overview
Specs
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Genuine replacement parts
Original replacement headset assembly for your Session.
Product details
Complete headset assembly
0-degree offset headset is stock on Session models
Only for use on 2018+ Session Carbon models
Manufacturer part #
10100025000010
Steerer outer diameter
28.6mm (1-1/8")
Crown race inner diameter
39.8mm
Cup Insertion OD
49mm Top/56mm Bottom
Stack height
9mm
Bearing type
Sealed
Headset type upper
Unthreaded semi-integrated
Headset type lower
Semi-integrated
Material
Aluminum
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, materials, and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. Prices shown are manufacturer's suggested retail prices.
Weights are based off pre-production products at time of publication. Weights may vary in final production.
Trek 2018 Session 0-Degree Head Angle Headset Assembly
Model 33865
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