Trek Electra brand Bontrager brand Trek Travel
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  • Trek Standard Headset Top Cap

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It’s our mission to provide you with world-class hospitality every time you visit us online or in-store. We’ll always take care of you. It’s the Trek way.

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All accessory orders over $49 ship to your home for free, and all accessory orders ship free to your local retailer for in-store pickup.

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If for any reason you’re not 100% happy with your online order from trekbikes.com, you can return it in like-new condition within 30 days. No questions asked.

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Trek Standard Headset Top Cap

Model W545877

Comp. Value

Our “Comparable Value” (Comp. Value) prices are based on the prices charged by Trek or other retailers, in-store or online, for the same or similar items. In most cases, this is a price at which Trek has offered the item for sale, and also the MSRP we provide to third-party resellers based on the prices of competing items in the market.

$11.99 Comp. Value Sale price

Value oriented replacement parts

Color / Black ; Finish / Anodized
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Model

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  • Note: We do not offer delivery to PO boxes, hotels, and freight forwarding addresses. Bikes cannot be delivered to FPO/APO addresses due to size restrictions on deliveries.
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Pricing details

Retailer price

Retailer pricing applies when you purchase goods online that the shop has in stock today. Order is subject to retailer acceptance.

Comp. Value

Our “Comparable Value” (Comp. Value) prices are based on the prices charged by Trek or other retailers, in-store or online, for the same or similar items. In most cases, this is a price at which Trek has offered the item for sale, and also the MSRP we provide to third-party resellers based on the prices of competing items in the market.

In-store pickup
Direct-to-home shipping

Genuine replacement parts

An industry standard star nut, top cap, and preload bolt, great for use on any fork with an aluminum or steel steer tube.

The M4 hex preload bolt allows for checking torque of the full cockpit without changing bits on the torque wrench.

Product details

  1. Do not use star nut on carbon steers
  2. Top cap has a 33.5mm diameter