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Get free shipping, on most items, with your $50 purchase today! Same day shipping on most orders if placed by 3pm PST.
PLEASE NOTE:
This offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and some exclusions apply.
Oversize Charges
Some large and/or heavy items are subject to additional oversize charges that are separate from standard shipping costs.
Bike Build Process
All bikes are built, tested, tuned, and ready to ride upon shipment. The bike build process typically takes 2-3 days to complete depending on the bike model and the complexity of the build.
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Orders for in-stock items placed by 3PM PST usually ship on the same day. Orders that include special-order or backordered items may be subject to shipping delays depending on product availability. Refer to estimated delivery times in cart when selecting shipping options.
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Our Gear Advisors are Ready to Help.
Only up to three bikes can be compared at once.
| DRIVE UNIT |
| BATTERY |
| DISPLAY |
| FRAME |
| FORK |
| REAR SHOCK |
| HEAD SET |
| SHIFTERS |
| FRONT DERAILLEUR |
| REAR DERAILLEUR |
| CRANKSET |
| BOTTOM BRACKET |
| CHAIN |
| CASSETTE |
| BRAKES |
| ROTOR SIZE |
| WHEELSET |
| TIRES |
| HANDLEBARS |
| STEMS |
| GRIPS |
| SEATPOST |
| SEATCLAMP |
| SADDLE |
| INTENDED USE |
Your bike headset upper might be a small part, but it plays a big role in how your ride feels. It's the heart of your steering, connecting your fork to your frame, letting your handlebars turn smoothly and giving you full control of your steering. If you’ve been feeling stiffness, play, or rough steering, it might be time for an essential upgrade.
At Jenson USA, you’ll find a wide selection of bicycle headset uppers designed to bring back that smooth, confident steering you love. Whether you’re tuning up your trail bike, restoring your road setup, or customizing your dream build, we’re here with trusted options that deliver precision, durability, and a perfect fit for your ride.
Different bikes use different headset standards, and it’s super important to match the right one to your frame. Our selection covers the most common SHIS upper types including EC34, IS41, IS42, and ZS44. Whether you ride a mountain bicycle, gravel bike, trail bike, enduro bike, BMX, or road bike, these options ensure a precise fit and smooth steering action.
A high-quality bike headset upper reduces friction, keeps dirt and moisture out, and supports better handling. We believe your bike should look as good as it rides. Our headset uppers come in a variety of anodized colors like black, blue, red, gold, and more, letting you match performance with your personal style. Most models feature sealed bearings and premium-grade materials for long-lasting reliability, even under tough riding conditions.
If you’re noticing stiffness, grinding, or play in your steering, upgrading your headset upper can make a big difference. It's time to ride without holding back! Some benefits include:
When choosing your bicycle headset upper, keep a few things in mind:
When you shop for bicycle headset uppers at Jenson USA, you get more than just parts. You get rider-to-rider service, fast shipping, and the confidence that every product meets our performance standards.
Refresh your ride with a new headset upper and experience smoother steering and better control on your next adventure. Find your next bike headset upper at Jenson USA today.