The 2026 Powerfly FS+ 4 Equipped Gen 4 XL MERCURY/DARK WEB is available at the following locations.
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The Powerfly FS+ 4 Equipped Gen 4 from TREK is a premium electric mountain bike, designed to enable you to tackle both city streets and rugged mountain trails with equal aplomb. Fitted with a powerful Bosch Performance Line CX motor and a removable Integrated Battery 2.0 (RIB 2.0), this e-bike offers full-suspension and a whole suite of features aimed at enhancing your riding experience.
Whether you are an adventurer at heart or just looking for a comfortable and electrically-assisted ride around town, this e-bike is built for you. Its 130 mm front and 120 mm rear suspensions easily smoothen out rough surfaces while providing an excellent on-the-saddle comfort during your single-track escapades.
Furthermore, it boasts a sturdy and durable Alpha Platinum Aluminium frame, tubeless-ready wheels with puncture-resistant 2.4" tyres, and a 10-speed Shimano CUES drivetrain. The hydraulic disc brakes ensure an uncompromising stopping power while the Bontrager Line dropper post adds an extra layer of comfort and control to your ride.
What sets the Powerfly FS+ 4 Equipped Gen 4 apart is a range of integrated features such as lights, mudguards, a rear rack and a kickstand. These additions make it a ready-for-adventure e-bike, be it a weekend exploration of alpine trails or a daily commute in the city.
Also noteworthy is that the bike is compatible with the Bosch eBike Flow app. This next-gen app lets you customise your motor's assist behaviour, track ride stats, integrate data with other apps and remind you of regular bike service — enhancing your e-biking experience like never before.
In summary, the Powerfly FS+ 4 Equipped Gen 4 from TREK is your ticket to limitless, exhilarating adventures. With its full-suspension engineering, powerful motor and a removable battery, it boldly takes you where few e-bikes have been before.
| Frame | Size XL, 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 |
| Fork | RockShox Recon Silver, Solo Air spring, Motion Control damper, lockout, tapered steerer, 42 mm offset, Boost110, Maxle Stealth, mudguard mounts, 130 mm travel |
| Wheel Size | Front 29 / Rear 29 |
| Wheels | Bontrager Line TLR 30, Tubeless-Ready, 28-hole, Presta valve // Bontrager Line TLR 30, Tubeless-Ready, 32-hole, Presta valve Shimano TC500 alloy, CentreLock, 110x15 mm thru axle Shimano TC500 alloy, CentreLock, 148x12 mm thru axle |
| Tyres | Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.40" |
| Battery | Bosch PowerTube 600 Wh, smart system |
| Charger | Bosch standard 2A, 230V, smart system |
| Display | Bosch Purion 200 |
| Motor | Bosch Performance Line CX, 20 mph / 32 km/h max assist (25 km/h max assist in EU and APAC) |
| Shifter | Shimano U6000, 10-speed |
| Rear Derailleur | Shimano CUES U6000 GS |
| Crank | FSA Bosch CK-220, 36T ring, 165 mm length |
| Cassette | Shimano CUES LG300, LINKGLIDE, 11-48, 10-speed |
| Chain | Shimano LG500, 9/10/11-speed |
| Pedals | VP-536 nylon platform |
| Front Brake | Tektro Gemini SL 4 piston hydraulic brake // Tektro Gemini SL 4 piston hydraulic brake Tektro, CentreLock, 203 mm Max brake rotor size |
| Rear Brake | Tektro Gemini SL 4 piston hydraulic brake // Tektro Gemini SL 4 piston hydraulic brake Tektro, CentreLock, 203 mm Max brake rotor size |
| Handlebar | Bontrager Comp, alloy, 31.8 mm, 40mm rise, 780 mm width |
| Grips | Bontrager XR Trail Comp, nylon lock-on |
| Stem | Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length |
| Headset | FSA IS-2, 1-1/8" top, 1.5" bottom |
| Seatpost | Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 31.6 mm, 450 mm length |
| Seatpost Clamp | Bolt-on, 36.4 mm |
| Saddle | Bontrager Commuter Comp |
| Front Light | Supernova Mini 3 pure, LED, headlight // Supernova TL3 Mini, LED |
| Kickstand | Pletscher Comp Flex 18 |
| Weight | 26.5 kg |
| Colours | MERCURY/DARK WEB, PENNYFLAKE/BLACK OLIVE |
| Sizes | L, M, S, XL |
| Brand | Trek |
| Model Year | 2026 |
| Barcodes | 197216108528, 197216108535, 197216108542, 197216108559, 197216108566, 197216108573, 197216108580, 197216108597 |
| SKUs / Part Numbers | 5329725, 5329726, 5329727, 5329728, 5329729, 5329730, 5329731, 5329732 |
Please note: Manufacturers can sometimes change the specification of the products from time to time.