
Trek Powerfly FS+ 4 Gen 4
- Powerfly FS+ gives you the powerful boost you crave on high alpine climbs, confident comfort on descents, and a big battery for getting way out there
- Bosch's Performance Line CX motor delivers plenty of torques for steep, punchy climbs, and is easy to control with the Purion 200 remote – plus you can customize it in the eBike Flow app
- Its RIB 2.0 removable integrated battery is easy to remove for travel and storage, and virtually rattle-free while you ride
- Want even more boost? With the Bosch e-Bike Flow app, you can increase torque to 100Nm and peak power up to 750W.
- It's compatible with Bosch PowerMore booster batteries, and you can even upgrade the 600Wh battery for a bigger 800Wh option to get way out there. Both parts can be retrofitted by the dealer
New RIB 2.0
Removable Integrated Battery (RIB 2.0) makes it easy to remove your battery for more convenient charging or traveling, and you don't have to worry about dropping it thanks to a secondary safety catch.

Extend your ride
Wanna take your ride even farther? Pair a 250Wh PowerMore range extender with your bike to chase your most epic adventures.

Light, quiet, powerful: 100Nm upgrade ready
Bosch's Performance Line CX motor has 85nm of torque out of the box but can be tuned all the way up to 100Nm and 750 watts of power using the Bosch eBike Flow app, the all new Bosch CX motor is lighter, quieter, and now more powerful than ever without wavering on natural-feeling support for crushing epic rides.

Massive range for epic rides
Bosch's new 800Wh battery gives you enormous range for chasing down your greatest adventures — or, you can swap to a 600Wh option for a lighter-weight ride with more nimble handling.

Customize your ride
Get more utility and sleek integration with mudguards and a rack designed specifically for Powerfly, so you can customize your setup for everyday needs or epic exploration.

Bosch eBike Flow app
The new eBike Flow app turns your ride into a personalized experience. Use it to customize your motor's assist behavior, track your ride stats, and integrate your data with apps like Strava and Apple Health. There's even handy features like navigation and service reminders.

