Powerfly 4 is our most affordable electric mountain bike. It's built with parts that hold up, like a smooth-shifting Shimano drivetrain, and a powerful Bosch motor. Plus, it features our user-friendly Removable Integrated Battery (RIB) system that's fully encased in the frame yet doesn't require tools for removal. This bike expands your boundaries and lets you travel to destinations you never thought you'd reach on a mountain bike. It's right for you if... You're sold on the e-bike revolution and want the capability and versatility of a mountain bike at a price that doesn't resemble the car you're trying to use less. You want bigger, better off-road adventures, and know an e-MTB with the latest user-friendly tech is the best way to get them. The tech you get A tough yet refined aluminum frame that fully encases a long-range 500Wh battery for sleek looks, a Bosch Performance CX (250W, 75Nm) motor that assists up to 20 mph or 32 km/h, a Bosch Purion controller, a 1x10 Shimano drivetrain, an 80mm SR Suntour fork with lockout, and hydraulic disc brakes. Plus, Smart Wheel Sizing means riders of every size get a great fit—29" wheels on larger frames, 27.5" wheels on smaller frames. The final word Our most affordable electric mountain bike comes with the same powerful Bosch motor and intuitive controller as our most expensive e-bikes, with a smaller battery and parts chosen to give you great value. Why you'll love it - Trek's Removable Integrated Battery (RIB) system looks great and is super user-friendly: it fully hides the battery in the frame for protection, makes it easy remove the battery without tools and lets you mount a water bottle cage - This bike expands boundaries: the top-notch Bosch system is equally suited to commuting, recreation, and a ridiculously fun time on the trails - The Purion controller has Walk Assist and an intelligent eMTB mode that automatically delivers the right amount of power based on your terrain - It's equipped with an external charging port for easy charging on or off the bike - You can boost your Powerfly’s utility by adding a rack and fenders, plus built-in wiring lets you easily install lights powered by the motor Wheel size: Sizes X-Small – Small: 27.5-inch Sizes Medium – X-Large: 29-inch
The Heckler is about expanding your own trail map—accessing previously unreachable trails, unlocking less-used trails, and doing so independently. The full carbon frame and interchangeable 504wh battery keep the weight down (45.3lb) compared to bikes with larger batteries, but it's fast and easy to put in a fresh battery for even bigger, longer days. The new Shimano EP8 motor is lighter than the previous unit (310g), has more power (85Nm versus 70Nm), smaller volume (-10%) for greater ground clearance, less drag (36%), more heat resistant, and is tuned to give more power in Trail mode. All this means it's even more capable of tackling longer, tougher rides. The 27.5-inch wheels keep the bike playful and maneuverable in order to make the most of the trail. The slack head angle (65.5-degree) and 445mm chainstay length provide a snappy and fun feel while still providing traction for when the trail gets steep and technical, both up and down. Like all Santa Cruz bikes, the Heckler pedals well regardless of watts involved. The 160mm-travel fork is paired with 150mm-travel at the rear to provide a wide range of capabilities. We tweaked the VPP kinematics to have slightly lower anti-squat than other bikes. This adds a touch more support and traction over rough stuff when pedaling seated—a major advantage of having the pedal-assist on your side. And like every Santa Cruz bike, the Heckler is built for the rigors of true mountain biking. Shimano electronics were chosen for their refinement and reliability, while quality pivot hardware, easily replaceable radial bearings, and no-nonsense internal cabling were considered with a mechanic's sanity in mind! The Heckler's boundaries aren't defined by distance, laps, or time. The boundaries in our head that say, "Don't bother", "Turn back", "Impossible." Smashing these boundaries is what got us hooked on riding in the first place. Heckler's not about taking things easy, it's about making things possible.
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