30 Day Unconditional Guarantee

For Trek, Bontrager and Electra products, if for some reason you're not 100% happy with your purchase, you can return it within 30 days for a refund - no questions asked!

We're where you are!

With over 100 Trek dealers across New Zealand, you'll never be too far from a store.

Find your local Trek retailer here.

We'll take care of you.

It's our mission to provide you with world-class hospitality every time you visit us online or in-store. We're always here to help you. It's the Trek way.

Trek Standard Headset Top Cap

Model W545877

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

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

Model	Bontrager Top Cap
Thickness	Not applicable
Weight	30g

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.