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Powerfly FS 4 is a full suspension electric mountain bike built to tackle rugged trail adventures and rugged commutes. The plush suspension set-up soaks up rough terrain, and the powerful Bosch electric drive system boosts your capacity to crush climbs and mile after mile of singletrack. Plus, it comes equipped with useful features for everyday riding, like mudguards, lights and a rear rack. Powerfly FS 4 is a full suspension electric mountain bike built to tackle rugged trail adventures and rugged commutes. The plush suspension setup soaks up rough terrain, an
You're looking for a powerful e-MTB with trail-smoothing full suspension that you can take on the trail and around town. You want your bike to come stocked with ride-ready features like a rack, mudguards and lights.
A durable aluminium frame that fully encases a long-range 625 Wh battery, a powerful Bosch Performance CX (250 Wh, 85 Nm) motor that helps you sustain speeds of up to 25 km/h and a Kiox controller. Plus, an SR Suntour 120 mm suspension fork, 100mm of rear travel, a 10-speed Shimano drive train, powerful hydraulic disc brakes and a dropper post.
This full suspension e-MTB is comfortable, efficient and fast on rough terrain. The powerful Bosch electric drive system and loads of utility features tackle any adventure you seek.
- It comes equipped with mudguards, a rear boot rack and lights that are powered by the battery so you're ready to ride right from the start
- The full-colour Kiox controller displays ride info, connects with your Bluetooth® enabled devices and has a built-in theft prevention feature
- The dropper post lets you lower your saddle on the fly so it's out of the way on descents
- The size S frame features a curved top tube that makes standing over the bike easier. Plus, Smart Wheel Sizing means you'll get the fastest wheel that fits ? 29? wheels on larger frames, 27.5? wheels on smaller frames
- The size S frame features a curved top tube that makes standing over the bike easier. Plus, Smart Wheel Sizing means you'll get the fastest wheel that fits ? 29? wheels on larger frames, 27.5? wheels on smaller frames
Bosch Performance Line CX motor
The Bosch Performance Line CX sets the standard for eMTB performance with up to 85 Nm of torque and an intelligent eMTB mode with Extended Boost that automatically adjusts the amount of assist based on the terrain.
Custom eMTB Lite mode
Trek eMTBs feature a custom eMTB Lite mode in place of Tour mode. It gives you more natural-feeling power delivery and longer battery life.
Removable Integrated Battery
RIB is a one-piece battery and cover with a built-in handle that can easily be removed and re-installed in the frame with no tools and no hassle. It?s the most convenient way to remove your battery for transport, security or just easier charging.
Adventure-ready accessories
The Powerfly Equipped gives you maximum utility thanks to pre-installed accessories. You get a kickstand, front and rear lights, plus mudguards and a rear rack custom made for clean integration.
What is the range?
To see how far you can ride your electric mountain bike on a single charge, check out Bosch?s range calculator. We?ve auto-filled the variables for this bike model and the average rider, but you can make adjustments to get your most accurate estimate.
| Frame | Size XL, UNI, Aluminium, Alpha Platinum Aluminium, Removable Integrated Battery (RIB), tapered head tube, internal routing, Motor Armour, magnesium rocker link, rack and mudguard mount, ABP, Boost148, 100 mm travel |
| Wheel Size | Front 29 |
| Wheel Size | Rear 29 |
| Fork | SR Suntour XCR 34, air spring, LO R damper, hydraulic lockout, tapered steerer, 44 mm offset, oversized crown for eMTB, Boost110, 15 mm bolt-on thru axle, 120 mm travel |
| Fork | Unknown |
| Gears | DERAILLEUR, SHIMANO, Shimano, 1 Gears |
| Tyres | BONTRAGER, Bontrager |
| Tyres | UNBRANDED, Unbranded |
| Tyres | UNKNOWN, Unknown |
| Shifters | SHIMANO, Shimano Deore M4100, 10 speed, |
| Kickstand | PLETSCHER, Pletscher |
| Front Brake | SH, UNBRANDED, Tektro, 6-bolt, 203 mm, Unbranded, Disc brake with hydraulic actuation |
| Rear Brake | SH, UNBRANDED, Tektro, 6-bolt, 203 mm, Unbranded, Disc brake with hydraulic actuation |
| Rear Derailleur | SHIMANO |
| Crankset | FSA |
| Chain | KMC |
| Headset | FSA |
| Handlebar | BONTRAGER |
| Stem | BONTRAGER |
| Bartape / Grips | BONTRAGER |
| Seatpost | TRANZX |
| Seatpost Clamp | UNBRANDED |
| Saddle | BONTRAGER |
| Carrier | UNBRANDED |
| Mudguards | TREK |
| Front Light | UNKNOWN |
| Rear Light | UNKNOWN |
| Battery Capacity | 625 |
| Battery Brand | BOSCH |
| Battery Model | BOSCH |
| Drivetrain Brand | Bosch |
| Sensor Type | PEDALFORCE |
Please note: Manufacturers can sometimes change the specification of the products from time to time.
| Colours | FACTORY ORANGE/LITHIUM GREY, PURPLE FLIP/TREK BLACK |
| Sizes | L, M, S, XL, XS |
| Brand | Trek |
| Model Year | 2021 |
| Barcodes | 601842410059, 601842410066, 601842410073, 601842410080, 601842410097, 601842410103, 601842410110, 601842410127, 601842410134, 601842410141 |
| SKUs / Part Numbers | 1042943, 1042944, 1042945, 1042946, 1042947, 1048158, 1048159, 1048160, 1048161, 1048162 |
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Please note the above quotation is an indicative cost and actual monthly payments may vary by +/- 2p per month.
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24 Month Representative Example:
Purchase Price (incl. VAT) £750
Deposit £75
Loan Amount £675
Interest/Total Charge for Credit £109.32
Total Amount Repayable £859.32
Balance Payable £784.32
By 24 Monthly Repayments of £32.68
15.9% APR Representative
Bank rate of interest 8.1% PA fixed
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