The Rail 5 625 is an E-Mountain bike built for rugged terrain. It features the same high-end specifications as our non-electric trail bikes but is propelled forward by the powerful new Bosch drive system. If you're searching for an E-Mountain bike that boasts the same off-road capability as traditional trail bikes, and you want a robust Bosch drive system to assist you efficiently on climbs, this bike is for you. It boasts a sturdy aluminum frame with 150 mm of rear suspension and a 625-Wh RIB battery, a RockShox 35 Gold RL fork optimized for E-bikes with 160 mm of travel, the latest Bosch Performance Line CX motor with Smart System for drive support up to 25 km/h, and a Bluetooth® LED remote for seamless connectivity, navigation, and activity tracking via the eBike Flow app. Additionally, it features a 1x12 drivetrain with a wide gear range for optimal cadence, a dropper seat post, powerful 4-piston disc brakes for enhanced confidence on descents, and agile 29" wheels. The Rail 5 625 offers our electric long-travel trail bike at the best value for money. It performs just as well off-road as its non-electric counterparts, while the pedal assist helps you return to the top effortlessly. With a larger battery, it also allows for more time on the trail. - Bosch's new Smart System gives you full control with even more customization options, thanks to a new Bluetooth-connected LED remote and the eBike Flow app. - Treks Removable Integrated Battery (RIB) looks sleek and is user-friendly: the battery is fully integrated into the frame for excellent protection, easily removable without tools, and provides space for a water bottle. - The controller includes a Walk Assist feature and a smart eMTB mode that automatically delivers power based on the terrain. - It includes the same proven frame technologies as the Slash, such as adjustable geometry via Mino Link, the Straight Shot down tube for added stiffness, and Active Braking Pivot (ABP). - The more powerful battery enables longer adventures. Removable Integrated Battery The RIB (removable integrated battery) is a one-piece combination of battery and cover with an integrated handle, easily removable from the frame without tools. This feature makes it very convenient to take the battery out for transport, safety, or easier charging. Bosch Performance Line CX Motor The Bosch Performance Line CX sets new standards with up to 85 Nm of torque and an intelligent eMTB mode with Extended Boost, which automatically adjusts the support level based on terrain. Bosch LED Remote The Bosch Smart System LED Remote allows you to easily and intuitively switch through support modes, activate push assistance, or turn on optional lights. The bright LEDs are clearly visible in all lighting conditions, indicating battery level and current support mode. Bosch Smart System With the Bosch Smart System, your E-Mountain bike is more connected than ever. The LED Remote connects to the Bosch eBike Flow app, letting you view your ride data, make adjustments, and perform system updates. Additionally, you can easily add a display for clearer visibility of your ride data thanks to Bluetooth connectivity. Active Braking Pivot Active Braking Pivot allows our engineers to fine-tune how the suspension reacts independently to acceleration and braking forces, providing you with more confidence in critical situations.