Trusted & Sturdy Brand Bike Parts
Free Express Shipping Worldwide 3-7 Days
24/7 Biker Technical Support
Finding the perfect riding position is often the difference between a grueling slog and a seamless adventure. If you find yourself hunching over your handlebars or experiencing lower back pain after a few miles, your handlebar height is likely the culprit. At RIDERACE, we specialize in ergonomic solutions that keep you in the saddle longer. Our Bike Fork Stem Extenders are the most cost-effective way to customize your bike's geometry without replacing your entire fork or cable system.
A bike fork stem extender (also known as a "heads-up" adapter) acts as an extension to your fork's steerer tube. It allows you to raise your handlebars by several inches, shifting your center of gravity and providing a more upright riding posture.
Relieve Physical Strain: By reducing the reach and drop to your bars, you take significant pressure off your wrists, neck, and lumbar spine.
Improved Visibility: An upright position allows you to see the road or trail ahead more clearly, enhancing safety in urban environments.
Avoid Expensive Upgrades: Instead of buying a new bike or an uncut fork, an extender provides the height you need for a fraction of the cost.
Not all extenders are created equal. When browsing the RIDERACE collection, keep these technical specifications in mind to ensure a perfect fit:
Safety is paramount when it comes to your steering column. Our extenders are forged from 6061 Aluminum Alloy, a material prized in the cycling industry for its high strength-to-weight ratio and excellent corrosion resistance.
Most modern mountain bikes and hybrids use a 1-1/8" (28.6mm) threadless steerer tube. Before purchasing, verify your fork's diameter. Our extenders are designed to fit standard threadless systems perfectly, ensuring a wobble-free connection.
RIDERACE extenders typically come with a set of removable spacers (usually 5mm or 10mm). This allows for "micro-tuning." You don't have to commit to the maximum height immediately; you can swap the order of the spacers to find the "sweet spot" for your specific arm length.
Installing a stem extender is a simple DIY project that takes less than 10 minutes.
Remove the Top Cap: Unscrew the top cap and remove your current stem from the fork.
Slide on the Extender: Place the extender onto the steerer tube.
Tighten the Bolts: Secure the side bolts on the extender to lock it onto the fork.
Re-attach your Stem: Slide your handlebar stem onto the new extension, add your spacers, and tighten your original top cap to pull the headset tension together.
Pro Tip: Always check your brake and gear cable slack. Raising your handlebars significantly may require longer cables if they are currently pulled taut.
Whether you are a daily commuter looking for comfort or a long-distance tourer needing to save your back, we have a model for you. Look for our Professional Series for lightweight performance, or our Heavy-Duty models for e-bikes and rugged trekking.
Ready to transform your riding experience? Browse our collection above to find the height and finish that matches your rig.
As the industry's leading authority on performance components, RIDERACE provides thousands of cyclists and pro-shops with premium, track-tested bike parts that prioritize safety and mechanical precision.
Upgrade your ride without the wait—we offer lightning-fast, complimentary express shipping to over 150 countries, ensuring your essential gear arrives at your doorstep exactly when you need it.
Ride with total peace of mind knowing our team of expert mechanics and support specialists is available. We're here around the clock to assist with technical compatibility, installation advice, or order tracking.
