The Rail 9 is our highest quality electric aluminum mountain bike with plenty of suspension travel. Its suspension setup and components are suitable for the most challenging enduro use, while the powerful Bosch drive system quickly gets you back up the mountain. The wireless SRAM AXS drive ensures reliable shifting and a clean cockpit.

If you are looking for a long-travel e-mountain bike that gives you extra momentum without holding you back from attacking technical terrain and taking on every drop, then this is the bike for you. Instead of investing in the frame, you prefer to put your money into upgrades such as a smooth suspension and high-quality parts.

Built with a robust aluminum frame with a 625Wh RIB battery, a highly responsive RockShox ZEB fork with sturdy 38mm stanchions and extensive adjustments, a RockShox Super Deluxe Ultimate shock with revised Thru Shaft damper, the latest Bosch Performance Line CX motor with Smart System for assist up to 25 km/h, and Bluetooth® LED Remote for seamless connectivity and navigation functions, as well as activity tracking through the eBike Flow App. Additionally, you get a SRAM GX Eagle drive with an extra-large climbing gear with 52 teeth, 29-inch wheels with durable,

Our best Rail with aluminum frame comes with significant upgrades to the suspension, drive, seatpost, and more. If you are looking for an e-mountain bike that can match our best long-travel trail bikes in terms of equipment and handle descents just as proficiently, then you have found it here.

- Trek's Removable Integrated Battery System (RIB) looks good and is user-friendly: The battery is fully integrated into the frame, well-protected, tool-less removable, and accommodates a bottle cage.

- The Bosch motor provides plenty of power to tackle steep climbs with energy-efficient efficiency.

- Bosch's new Smart System gives you full control and more customization options - thanks to the new Bluetooth-connected LED remote and eBike Flow App.

- The controller features a Walk Assist function and an intelligent eMTB mode that automatically delivers the required power depending on the terrain.

- It comes with the same exclusive frame technologies as the Remedy and Slash - such as the customizable geometry via Mino Link, the Straight Shot downtube for added stiffness, and Active Braking Pivot (ABP).