Trek 2024 Marlin+ Headset Cartridge Bearings

Trek proprietary headset parts.

Product details

Semi integrated Sealed Cartridge bearings
1.5" Lower Bearing & Crown Race
Upper Cup: 44mm
Lower Cup: 56mm
Bearing cover, OD:49mm, H:8.2mm, Alloy, Anodized Black

Manufacturer part #	12100017000011
Steerer outer diameter	28.6mm (1-1/8") / 38.1mm (1-1/2")
Crown race inner diameter	39.8 mm
Cup Insertion OD	44 mm Top/56 mm Bottom
Stack height	15.7 mm
Bearing type	Sealed
Headset type upper	Unthreaded semi-integrated
Headset type lower	Semi-integrated
Material	Aluminium

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, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. The prices shown are the manufacturer's suggested retail prices.

Weights are based off pre-production products at time of publication. Weights may vary in final production.

Genuine replacement parts

Product details

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