Trek Powerfly FS 4 625 EU 2023 electric bike burgundy

The Powerfly FS 4 625 is a full-suspension electric mountain bike built for tackling rugged trail adventures.

Fine-tuned suspension soaks up rough terrain, and the powerful Bosch electric drive system and long-range battery increase your capacity to tackle singletrack mile after mile.

This reliable full-suspension e-MTB with an aluminum frame and Bosch motor is the ideal choice for riders looking for a comfortable and powerful e-bike for everyday riding, trail rides, and tackling technical climbs effortlessly. Thanks to modern technologies, solid construction and carefully selected components, it delivers a balanced riding experience on diverse terrain.

Frame and suspension

• Lightweight, strong and durable Alpha Platinum aluminum alloy frame with integrated battery (RIB)

• Internal cable routing, motor unit protection (Motor Armor) and mudguard or rack mounts

• ABP (Active Braking Pivot) technology for smooth suspension operation even during braking

• 100 mm rear travel and SR Suntour Edge R shock (190 × 45 mm)

• SR Suntour XCR 34 fork:

  • XS/S: 100 mm travel

  • M/L/XL: 120 mm travel

  • Air spring, hydraulic lockout and Boost110 standard

Wheels and tires

• Bontrager sealed bearing front hub, Boost110, 15mm thru axle

• Bontrager Boost148 rear hub for Shimano 8/9/10-speed with 12mm thru axle

• Alex MD35 rims - wide, solid, tubeless ready, 35mm width

• Bontrager XR3 Comp Tires:

  • XS/S: 27.5 × 2.35"

  • M/L/XL: 29 × 2.30"

• Maximum Tire Compatibility:

  • XS/S: up to 27.5 × 2.60"

  • M–XL: up to 29 × 2.40"

Bosch electric drive

• Bosch Performance CX motor (magnesium body) with 250 W power and 85 Nm torque

• Maximum assistance up to 25 km/h - ideal for legal riding on roads and in the forest

• Bosch PowerTube 625 Wh battery with long battery life and easy charging

• Bosch Purion display - compact and clear control panel

• Bosch 2A charger suitable for 100–240 V

Drive and shifting

• Shimano Deore M4100 10-speed shift lever

• Shimano Deore M5120 rear derailleur with long arm for wide range cassettes

• FSA Bosch CK-220 cranks with a length of 165 mm and a steel 36-tooth chainring

• Shimano Deore M4100 cassette with a range of 11–46 teeth

• KMC X10 chain - durable and reliable for 10-speed systems

• VP-536 Pedals - Nylon Platform for Comfort and Control

• Maximum Chainring Compatibility: Up to 46T (Minimum 34T)

Components and Controls

• Bontrager Arvada Saddle with Steel Rails, Width 138 mm

• TranzX JD-YSP18 telescopic seatpost:

  • XS/S/M: stroke 100 mm

  • L/XL: stroke 130 mm

• Bontrager handlebars, 720 mm wide, 31.8 mm diameter, 15 mm travel

• Bontrager Comp stem:

  • XS/S: 60 mm

  • M/L/XL: 70 mm, Blendr compatible

• FSA IS-2 headset

Brakes

• Tektro HD-M275 hydraulic disc brakes – reliable 4-piston system for everyday use

• Tektro brake discs with 6-bolt mount, diameter 203 mm

• Maximum disc size compatible with the frame: 203 mm

Weight and load capacity

• Bike weight in size M: 24.83 kg

• Maximum total system weight (bike + rider + cargo): 136 kg

This bike is the ideal companion for active riders, tourists and recreational cyclists who want the benefits of electric support combined with full suspension and comfortable handling. Thanks to the frame ready for mounting a rack or fenders, it is also suitable as a universal bike for everyday commuting or trips to nature.