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Trek Knock Block 58-Degree Headset Assembly with Display Chip

Model 5252156

Get your bike back on the trail with the headset parts you need.

Product details

Trek proprietary headset components compatible with Trek Knock Block models
58-degree headset fits all 2017-2020 Knock Block equipped models
Includes crown race, bearings, top cover, frame chip & fastener
Frame chip has display tabs to connect Bosch Kiox Mount sold separately
Must be paired with Knock Block stem and Knock Block spacers
Knock Block headset spacers not included

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Manufacturer part #	141-0011000011
Steerer outer diameter	28.6mm (1-1/8")
Crown race inner diameter	39.8mm
Cup Insertion OD	Integrated
Stack height	8.7mm
Bearing type	Sealed
Headset type upper	Unthreaded fully integrated
Headset type lower	Fully 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 Knock Block 58-Degree Headset Assembly with Display Chip

Model 5252156

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Color

Steerer OD

5 results SKU 5252156

Item type: Bearing
Description: Bearing FSA 1-1/8in
Part number: W531676
Manufacturer part number: 160-0014000000

Item type: Bearing
Description: Bearing FSA 1.5in
Part number: W532843
Manufacturer part number: 160-6761

Item type: Headset part (see also: Bearing)
Description: Headset Part Trek Knock Block 58-Degree Upper Assembly

Item type: Headset part (see also: Bearing)
Description: Headset Part FSA Compression Ring 1-1/8in
Part number: W532842
Manufacturer part number: 160-7645

Item type: Headset part (see also: Bearing)
Description: Headset Part FSA Crown Race 1.5in
Part number: W532844
Manufacturer part number: 160-5536

We’ll make this a great experience

Awesome free shipping options

30-day Unconditional Guarantee

Trek Knock Block 58-Degree Headset Assembly with Display Chip

Genuine replacement parts

Product details

More options

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Trek Madone SLR Painted Headset Covers

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Trek 2022 Emonda SL Headset Cover

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Trek 2023 Emonda SL 7 Headset Cover

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Trek Knock Block 58-Degree Headset Assembly with Display Chip

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