2026 Powerfly FS+ 4 Gen 4 Full Suspension Electric Mountain Bike
Fully assembled, tuned, and test-ridden—ready to ride at pickup from any DFW Bike Mart location.
Expected to ship within 3 days
Professionally built and test-ridden before it ships. Arrives mostly assembled with just minimal setup needed. See Reassembly Instructions
Delivered fully assembled and tuned by Bike Mart—ready to ride right at your doorstep within 10 miles of any DFW location.
Ship
Get your bike or equipment delivered to your home directly from Bike Mart via our FedEx or USPS Carrier partners. Adult signature is required for all bike deliveries and for equipment & gear deliveries over $500.
For orders that include a bike, it will be professionally pre-built and shipped to your home with minimal assembly needed. While we try to make it as easy as possible, basic mechanical skills and proper tools are required. For orders that include a frameset please visit our support center to make sure you have the specialty tools and skills required.
If you decide to take your bike to a local retailer for assembly, additional fees will apply.
Pickup
We’ve made it easier than ever to get the gear and bikes you love—fast. With our Buy Online, Pick Up In Store (BOPIS) option, you can shop online and pick up your items at your convenience from any of our six DFW locations.
The best part about picking up at a Bike Mart location is that you get the same high quality service with the convenience of having the exact bike or part.
Bikes / Car Racks will be assembled and installed at no extra charge
Delivery
When you select "Home Delivery" at checkout. Your bike will be professionally assembled and the closest Bike Mart store will call you to schedule the delivery.
We offer home delivery for bike purchases only within 10 miles of a Bike Mart location. Contact us if you live beyond 10 miles and we can discuss more options. Additional fees may apply.
In stock bikes will be delivered within 7 days. Warehouse bikes will delivered within 14 days*.
2026 Powerfly FS+ 4 Gen 4 Full Suspension Electric Mountain Bike
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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.
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Extend your ride
Wanna take your ride even farther? Pair a 250Wh PowerMore range extender with your bike to chase your most epic adventures.
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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.
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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.
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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.
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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.
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Active Braking Pivot
Active Braking Pivot allows our engineers to tune how the suspension reacts to acceleration and braking forces independently. That means you get more confident control when you need it most.
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A better way to produce aluminum
Starting in 2024, we began removing high-emission aluminum from our manufacturing and replacing it with low-emission aluminum made with renewable energy. By October 2025, nearly every alloy bike we make - this one included - had made the switch, driving a major drop in our footprint.
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Shimano CUES
Inspired by rider demand for trouble-free drivetrain longevity and performance, Shimano CUES offers a new foundation for versatility and durability across a range of both electric and standard bikes. CUES features Shimano’s new LINKGLIDE drivetrain technology for significantly increased life on wear items like chain, cassette, and chainrings.
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Shimano LINKGLIDE
LINKGLIDE technology has been specifically engineered for incredible durability while still delivering smooth and decisive shifting – along with a great pedalling experience. Available exclusively on Shimano CUES drivetrains.
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Compliant with leading safety regulations
The e-systems on Trek and Electra e-bikes are third-party tested to meet the latest e-bike safety regulations, including the stringent UL 2849 certification — so all you have to worry about is where your e-bike will take you next.
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Don’t forget your pedals
This bike doesn’t come with pedals because you’ll have a better time on your new bike if you choose your own. See the pedal guide to find the best pedals for your riding style. We recommend clipless road pedals for control and efficiency.
Overview
Overview
Technical Specifications
Technical Specifications
| Frame | Alpha Platinum Aluminum, Removable Integrated Battery (RIB 2.0), tapered headtube, guided internal routing, Motor Armor, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, 34.9mm seat tube, ABP, UDH, rack and mudguard mounts, Boost 148, 120 mm travel |
| Fork | RockShox Recon Silver RL, Solo Air, Motion Control damper, lockout, tapered steerer, 42mm offset, Boost110, 15mm Maxle Stealth, 130mm travel |
| Shock | RockShox Deluxe Select R, 210x50mm |
| Hub front | Shimano TC500 alloy, centerlock, 110x15mm thru axle |
| Hub rear | Shimano TC500 alloy, centerlock, 148x12mm thru axle |
| Skewer rear | Bontrager Switch thru axle, removable lever |
| *rim | Size: S , M , L , XL Bontrager Line TLR 30, Tubeless Ready, 32-hole, Presta valveSize: S , M , L , XL Bontrager Line TLR 30, Tubeless Ready, 28-hole, Presta valve |
| *tire | 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'' |
| Tire part | Bontrager TLR sealant, 6oz |
| Rim strip | Bontrager TLR |
| Max tire size | Frame: 29x2.50\ (S: 27.5x2.50\), Fork: see manufacturer |
| Battery | Bosch PowerTube 600Wh, smart system |
| Charger | Bosch standard 2A, 110V, smart system |
| Computer | Bosch Purion 200 |
| Motor | Bosch Performance Line CX, 20 mph / 32 km/h max assist (25 km/h max assist in EU and APAC) |
| E-bike classification | Class 1 |
| Shifter | Shimano U6000, 10 speed |
| Rear derailleur | Shimano CUES U6000 GS |
| Crank | FSA Bosch CK-220, 36T ring, 165mm length |
| Chainring | FSA, 36T, steel |
| Cassette | Shimano CUES LG300, LINKGLIDE, 11-48, 10 speed |
| Chain | Shimano LG500, 9/10/11 speed |
| Pedal | VP-536 nylon platform |
| Max chainring size | 1x: 38T |
| Saddle | Bontrager Verse P3, steel rails |
| *seatpost | Size: S Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 31.6mm, 310mm lengthSize: M , L , XL Bontrager Line Dropper, 170mm travel, MaxFlow, internal routing, 31.6mm, 450mm length |
| Handlebar | Bontrager Comp, alloy, 31.8mm, 40mm rise, 780mm width |
| Grips | Bontrager XR Trail Comp, nylon lock-on |
| Stem | Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length |
| Headset | FSA IS-2, 1-1/8'' top, 1.5'' bottom |
| Brake | Tektro Gemini SL 4 piston hydraulic brake |
| Brake rotor | Tektro, centerlock, 203mm |
| Rotor size | Max brake rotor sizes - Frame: 220mm, min 180mm, Fork: see fork manufacturer |
| Weight | M - 24.58 kg / 54.19 lbs (with TLR sealant, no tubes) |
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg). |
Parts are subject to change without notice. Chat with us if you have any questions.
Geometry
Geometry
All measurements provided in cm unless otherwise noted.
| Frame size number | 15.5" | 17.5" | 19.5" | 21.5" |
| Frame size letter | S | M | L | XL |
| Wheel size | 27.5" | 29" | 29" | 29" |
| A — Seat tube | 38.0 | 40.0 | 42.0 | 45.0 |
| B — Seat tube angle (degrees) | 71.1° | 71.3° | 71.2° | 72.4° |
| Effective seat tube angle (degrees) | 77.0° | 77.0° | 77.0° | 77.0° |
| C — Head tube length | 13.0 | 11.0 | 13.0 | 15.0 |
| D — Head angle (degrees) | 65.0° | 66.0° | 66.0° | 66.0° |
| E — Effective top tube | 56.3 | 59.5 | 63.0 | 65.4 |
| F — Bottom bracket height | 33.0 | 33.5 | 33.5 | 33.5 |
| G — Bottom bracket drop | 3.0 | 4.5 | 4.5 | 4.5 |
| H — Chainstay length | 45.8 | 46.1 | 46.1 | 46.1 |
| I — Offset | 4.4 | 4.4 | 4.4 | 4.4 |
| J — Trail | 12.3 | 12.5 | 12.5 | 12.5 |
| K — Wheelbase | 120.1 | 122.3 | 125.7 | 129.0 |
| L — Standover | 75.6 | 78.0 | 77.5 | 77.8 |
| M — Frame reach | 42.5 | 45.0 | 47.5 | 50.0 |
| N — Frame stack | 59.7 | 62.9 | 64.7 | 66.6 |
This Geometry Chart is provided by the Manufactuer. Chat with us if you have any questions.
Sizing
Sizing
| size | inches | cm |
|---|---|---|
| S | 5'1" - 5'5" | 155 - 165 |
| M | 5'5" - 5'10" | 165 - 177 |
| L | 5'10" - 6'2" | 177 - 188 |
| XL | 6'2" - 6'5" | 188 - 195 |
Sizing to be used as a reference only. Chat with us if you have any questions.
