3T Ultra Boost: The Most Aerodynamic Gravel eBike You Can Own

Light, Long-range, Customizable, Connected, Speedy

You know, there's something almost poetic about hitting the open road—or, in this case, the gravel trail—on two wheels. A bike can be your ticket to solitude, your instrument of exploration, a way to find and lose yourself all at the same time. And when it comes to blending the feel of an unpowered ride with a jolt of electric power, 3T’s Ultra Boost gravel ebike is a symphony in carbon fiber.

This Italian masterpiece is crafted for those who yearn for adventure but perhaps don't want to return home gasping for air. The Ultra Boost retains the essence of a traditional gravel bike but dials it up a notch with its Mahle hub motor. Imagine it as the espresso shot to your morning ritual: strong, but not overpowering. The magic truly lies in the balance. You still get to feel the terrain, push through the climbs, and sense the thrill of the downhill. But when you need it, the Ultra Boost whispers in your ears like a Siren, coaxing you to push farther, climb higher, and venture into the unexplored.

Starting at just 12 kg, the Ultra Boost is fairly light for an e-bike, thanks to its sleek carbon-fiber frame. The Mahle X-20 system not only keeps the weight in check but also connects to your Garmin or health monitoring devices, ensuring you can push your limits responsibly. Think of it as your co-pilot, constantly recalibrating to maximize performance and efficiency.

And let's talk range. A 150-km battery means you can take those extended forays into the great unknown without the range anxiety that usually plagues e-bike riders. But if you’re looking for more, an optional battery can extend your ride by another 50%. Whether you’re commuting to work or scaling far-off trails, range is the last thing you'll worry about.

The Ultra Boost is not just a bike; it's a well-thought-out ecosystem. From its 12-speed SRAM Rival gearset to the hydraulic disc brakes and the wide choice of tire options, it's designed for the purist who values quality and options. The bike's versatility doesn't end there. You can choose between a flatbar and dropbar, allowing you to tailor the bike to your style and comfort.

Performance-wise, it's fascinating how 3T has engineered aerodynamics into the design. They’ve basically made a wind tunnel on wheels. When you kick it into high gear, the bike defies your expectations, channeling the air around the massive 61mm tires and wide downtube, making you feel like you’re slicing through the wind.

If you're commuting, the Urban variant offers a more relaxed position with a carbon flatbar, perfect for weaving through city streets or tackling rough patches with more control.

All of this doesn't come cheap, mind you. With a starting price of $6,599, this is a serious investment. But let's face it, quality experiences often come with a price tag. You’re not just buying a bike; you’re buying the freedom to explore, to challenge yourself, and to find out what lies beyond the next bend.

So if you're looking for a bike that's as complex and nuanced as a fine bottle of Barolo—equally suitable for a quick sprint or a long journey—look no further than the 3T Ultra Boost. It's an ebike that respects the past, lives in the present, and wheels into the future.


  1. Extended Range: With a 150-km battery and an optional range extender, the Ultra Boost allows for long-distance rides without the usual range anxiety.
  2. Lightweight Design: Weighing in at just 12 kg (26.5 lb), the bike remains relatively light for an e-bike, making it easier to handle on various terrains.
  3. High-Quality Components: From the 12-speed SRAM Rival gearset to the hydraulic disc brakes, the bike is equipped with top-of-the-line components that enhance performance and durability.
  4. Connectivity: The Mahle X-20 system offers Bluetooth and ANT+ connectivity, allowing seamless integration with health-monitoring devices and bike computers like Garmin.
  5. Customization: The bike offers a wide array of customization options, from tire width to handlebars, allowing riders to tailor the bike to their specific needs and preferences.
  6. Aerodynamic Engineering: Designed with airflow in mind, the Ultra Boost performs exceptionally well at high speeds, maximizing efficiency and speed.
  7. Versatility: Whether you are commuting to work or hitting off-road trails, the Ultra Boost is adaptable, with the Urban variant offering an even more relaxed and upright position.


  1. Price: Starting at $6,599, the Ultra Boost is a significant investment and may be out of reach for riders on a budget.
  2. Battery Weight: The optional 173-Wh battery extender adds an additional 1.1 kg (2.4 lb) to the overall weight, potentially affecting the bike's handling on more demanding terrains.
  3. Complexity: The numerous features and customization options might overwhelm beginners or those looking for a simpler, straightforward riding experience.
  4. Limited Off-Road Capabilities: While designed to handle a variety of terrains, the Ultra Boost is still more oriented towards speed and efficiency, possibly limiting its performance on extremely rough or technical trails.
  5. Regulatory Restrictions: With a speed limit conforming to EU standards (25 km/h or 15.5 mph), the bike might not be as fast as some riders would prefer, especially in regions without such limitations.

From $6,599

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