Trek Powerfly+ FS 8 Gen 4

Trek Powerfly+ FS 8 Gen 4

The Powerfly+ FS 8 is a high-performance, full-suspension e-mountainbike in a class of its own that is ready for any adventure. With 130 mm front and 120 mm rear suspension travel, the robust aluminium frame offers enough travel to fly through even the roughest trails with confidence. The powerful Bosch Performance Line motor and the 800 Wh RIB 2.0 battery ensure that you never have to turn round too early again. An Alpha Platinum aluminium frame with a Bosch Performance Line drive system with 250 W power and 85 Nm torque, including a removable, integrated PowerTube RIB 2.0 battery with a massive 800 Wh capacity and Purion 200 controller. A FOX Rhythm 36 with 130 mm travel and a FOX Float Rhythm rear shock with 120 mm travel. Tubeless-ready wheels with puncture-proof 2.4" tyres, a wireless SRAM GX Eagle AXS T-Type 12-speed drivetrain for clean gear changes, a Bontrager Line dropper post and hydraulic disc brakes.

Bosch update July 2025: Are you ready for more power?

From July 2025, you can increase the torque of the Gen 5 Bosch motors (BDU38) to up to 100 Nm using the Flow app. Your advantage: noticeably more thrust and up to 400% motor support. You can use the eBike Flow app to customise the riding modes and adapt the performance precisely to your riding style.

Highlights

• The Powerfly+ FS provides a powerful boost on crisp climbs and reliable comfort on challenging descents - and takes you a long way out thanks to its long-lasting battery.
• The Bosch Performance Line CX motor offers plenty of torque for crisp climbs, while the Purion 200 remote ensures easy operation and the eBike Flow app enables customisation of the system.
• The removable, integrated RIB 2.0 battery sits securely in the frame and can be removed quickly and easily for transport and storage purposes.
• With mounting points for bags, lights and pannier rack, the Powerfly+ can be customised to your needs.
• Want to ride even further? The Powerfly+ FS is compatible with Bosch PowerMore additional batteries, so you can really let off steam from dawn to dusk.

Bosch Performance CX - redefining e-biking!

• Powerful motor: The Bosch Performance Line CX motor offers 85 Nm of torque (default setting).
• Optimum support: Ideal for steep climbs and long uphill sections.
• Fast response: Improved sensor technology ensures a dynamic and natural riding experience.
• Lightweight: At just 2.8 kg, the motor improves the handling of the e-mountainbike.
• Quiet operation: Quiet operation of the motor for a particularly pleasant ride.
• Revised modes:
  • Extended Boost helps you overcome obstacles.
  • Improved push assistance offers more control in difficult terrain.