Bikes up to 60% offWe monitor over 40,000 bikes daily to find the best prices
Today’s Deals2025 Trek
Powerfly FS+ 4 Gen 4
A 27.5″ / 29″ aluminum frame full suspension trail e-bike with mid-range components.
Compare the full range
Manufacturer Price
€4,499($5,235)| Weight | 54.2 lbs |
|---|---|
| Frame | Aluminum |
| Suspension | Full, 120 / 130mm |
| Fork | RockShox Recon Silver RL |
| Shock | RockShox Deluxe Select |
| Wheels | 27.5″ / 29″ Aluminum |
| Drivetrain | 1 × 10 |
| Groupset | CUES |
| Motor | Bosch 600W 85Nm mid-drive |
| Battery | Bosch 600Wh |
| Brakes | Tektro Gemini Hydraulic Disc |
| Seatpost | Dropper |
Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.
Compare the full Powerfly model range
View Comparison5'1" – 5'6"
5'4" – 5'11"
5'8" – 6'3"
6'1" – 6'5"
None yet.
Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.
Sep 2022 · Mike Hunger
We have tested the Trek Powerfly FS 9 Equipped with Bosch Performance Line CX motor and 625 Wh battery for you.
Wide range of applications
Sporty and stylish look
Intuitive handling
Bosch SmartphoneHub ensures good connectivity
None
Feb 2022 · Russell Burton
A well-specified, comfortable and versatile ebike, but at a serious price
Comfort
Range
Stability
Expensive, especially if you’re considering leaving it outside the local shop
| Frame | Alpha Platinum Aluminium, Removable Integrated Battery (RIB 2.0), tapered headtube, guided internal routing, Motor Armor, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, 34.9 mm seat tube, ABP, UDH, rack and mudguard mounts, Boost 148, 120 mm travel BB Standard: Bosch, Press Fit Hanger Standard: UDH Tire Clearance: 2.5" Colors: Mercury / Dark Web; Pennyflake / Black Olive |
|---|---|
| Fork | RockShox Recon Silver RL, Solo Air, Motion Control damper, lockout, tapered steerer, 42 mm offset, Boost110, 15 mm Maxle Stealth, 130 mm travel Travel: 130mm Spring Type: Air |
| Shock | RockShox Deluxe Select R, 210x50 mm Travel: 120mm |
| Bottom Bracket | Bosch, press-fit |
| Stem | Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length |
| Handlebar | Bontrager Comp, alloy, 31.8 mm, 40mm rise, 780 mm width |
| Saddle | Bontrager Verse P3, steel rails |
| Seatpost | Size: S, Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 31.6 mm, 310 mm length; Size: M, L, XL, Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 31.6 mm, 450 mm length Type: Dropper |
| Pedals | VP-536 nylon platform |
| Grips | Bontrager XR Trail Comp, nylon lock-on |
| Rear Derailleur | Shimano CUES U6000 GS |
|---|---|
| Crank | FSA Bosch CK-220, 36T ring, 165 mm length |
| Shifters | Shimano U6000, 10-speed |
| Cassette | Shimano CUES LG300, LINKGLIDE, 11-48, 10-speed |
| Chain | Shimano LG500, 9/10/11-speed |
| Brakes | Tektro Gemini SL 4 piston hydraulic brake Type: Tektro Gemini Hydraulic Disc |
| Rims | Size: S, M, L, XL, Bontrager Line TLR 30, Tubeless-Ready, 28-hole, Presta valve; Size: S, M, L, XL, Bontrager Line TLR 30, Tubeless-Ready, 32-hole, Presta valve |
|---|---|
| Spokes | 14 g stainless steel, black |
| Front Hub | Shimano TC500 alloy, CentreLock, 110x15 mm thru axle |
| Rear Hub | Shimano TC500 alloy, CentreLock, 148x12 mm thru axle |
| Tires | Size: S, Bontrager Gunnison Pro XR, Tubeless-Ready, wire bead, 60 tpi, 27.5x2.40"; Size: M, L, XL, Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.40" |
| Disc Rotors | Tektro, CentreLock, 203 mm |
| Motor | Bosch Performance Line CX, 20 mph / 32 km/h max assist (25 km/h max assist in EU and APAC) |
|---|---|
| Battery | Bosch PowerTube 600 Wh, smart system |
| Display | Bosch Purion 200 |
| Charger | Bosch standard 2A, 230V, smart system |
| Fenders | Trek 27.5" custom fender |
|---|
First added September 30
Last updated June 27
Not listed for 345 days