Powerfly 4 is our most affordable electric mountain bike. This e-MTB is built with parts that hold up, like a dependable 9-speed Shimano drivetrain, a 100 mm suspension fork, fast-rolling wheels and a Bosch Performance CX motor that assists up to 15.5 mph. This bike expands your boundaries and lets you travel to destinations that you never thought you'd reach on a mountain bike.

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 trail adventures and know that an e-MTB is the best way to get them.

A durable Alpha Aluminium frame with a Bosch Performance CX 250-watt motor that assists up to 25 km/h, an ergonomic Bosch Purion controller, and a long-range semi-integrated 500 Wh battery that's secure while you're riding but easy to remove for charging. Plus, a smart e-MTB mode that manages the assist level automatically, a Shimano drivetrain, an SR Suntour XCM fork and hydraulic disc brakes.

Our most affordable electric mountain bike is equipped with rugged parts and a high-end Bosch motor, battery and controller for confidence and a fun boost on the trails and roads.
- This bike expands boundaries: the top-notch Bosch system is equally suited to commuting, recreation and a ridiculously fun time on the trails
- The proven Bosch electric-assist system is natural and intuitive, and makes you feel like you have super-charged legs
- This bike is built for the long-haul: it comes with a 500 Wh battery, the longest-range available from Bosch