Trek Powerfly FS 4 625 2021
2021 E-bike
Estimate price |
5,821$
E-bike
Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Aluminum -
Wheels 27.5" / 29" -
Travel Front 120mm -
Travel Rear 100mm -
Fork SunTour XCR 34
-
Groupset Deore, FSA -
Suspension Full -
Motor Bosch 250W 85Nm mid-drive -
Battery Bosch PowerTube 625 -
Drivetrain 1 × 10 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
XS
137cm - 155cm
SM
153cm - 166cm
MD
161cm - 176cm
LG
173cm - 188cm
XL
186cm - 196cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Alpha Platinum Aluminum, Removable Integrated Battery (RIB), tapered head tube, Knock Block, internal routing, Motor Armor, magnesium rocker link, rack and fender mount, ABP, Boost148, 100mm travel
Suspension Fork
SR Suntour XCR 34, air spring, LO R damper, hydraulic lockout, tapered steerer, 44mm offset, oversized crown for eMTB, Boost110, 15mm bolt-on thru axle, 120mm travel
Drivetrain
Rear Derailleur
Shimano Deore M5120, long cage
Shift Levers
Shimano Deore M4100, 10 speed
Cassette
Shimano Deore M4100, 11-46, 10 speed
Crank
FSA Bosch CK-220, 36T ring, 165mm length
Bottom Bracket
Bosch, press-fit
Chain
KMC X10, 10 speed
Pedals
VP-536 nylon platform
Wheels
Front Hub
Bontrager sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle
Rear Hub
Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12mm thru axle
Rims
Alex MD35, Tubeless Ready, 32-hole, 35mm width, presta valve
Tires
Bontrager XR3 Comp, wire bead, 30tpi, 29x2.30"
Brakes
Brakes
Tektro HD-M275 hydraulic disc
Cockpit
Stem
Bontrager alloy, 31.8mm, Blendr compatible, 7 degree
Handlebar
Bontrager alloy, 31.8mm, 15mm rise
Grips
Bontrager XR Trail Comp, nylon lock-on
Seat
Saddle
Bontrager Arvada, steel rails, 138mm width
Seatpost
TranzX JD-YSP18 dropper, internal routing, 31.6mm
Motor & Battery
Motor
Bosch Performance CX, magnesium motor body, 250 watt, 85 Nm, 25km/h
Battery
Bosch PowerTube 625
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.48 mm | 1.44 mm | 1.48 mm | 1.4 mm | 1.33 mm |
| Bottom Bracket Height | 332 mm | 332 mm | 335 mm | 335 mm | 335 mm |
| Front Center | 703 mm | 713 mm | 739 mm | 773 mm | 798 mm |
| Rake | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Trail | 107 mm | 107 mm | 114 mm | 114 mm | 114 mm |
| Stack | 601 mm | 601 mm | 639 mm | 648 mm | 648 mm |
| Reach | 407 mm | 417 mm | 432 mm | 462 mm | 487 mm |
| Top Tube Length | 556 mm | 566 mm | 591 mm | 623 mm | 648 mm |
| Seat Tube Angle | 76 ° | 76 ° | 76 ° | 76 ° | 76 ° |
| Seat Tube Length | 368 mm | 395 mm | 420 mm | 450 mm | 500 mm |
| Head Tube Angle | 66.5 ° | 66.5 ° | 66.5 ° | 66.5 ° | 66.5 ° |
| Head Tube Length | 140 mm | 140 mm | 130 mm | 140 mm | 140 mm |
| Chainstay Length | 470 mm | 470 mm | 472 mm | 472 mm | 472 mm |
| Wheelbase | 1172 mm | 1182 mm | 1208 mm | 1242 mm | 1267 mm |
| Bottom Bracket Drop | 24 mm | 24 mm | 39 mm | 39 mm | 39 mm |
| Standover Height | 693 mm | 693 mm | 714 mm | 718 mm | 715 mm |
| Wheels | 27" | 27" | 29" | 29" | 29" |
| Rider Min Height | 137 cm | 153 cm | 161 cm | 173 cm | 186 cm |
| Rider Max Height | 155 cm | 166 cm | 176 cm | 188 cm | 196 cm |
About this model
Powerfly FS 4 625 completes the Trek E Powerfly model. Trek released 92 e-bikes variations of this model so far. You can easily view all of the Trek E Powerfly e-bikes models from 2021, here.
Model range prices
Trek Powerfly 4 2021 is the cheapest e-bike model and costs 3699$. Trek Powerfly FS 7 2021 is the most expensive one and costs 6688$.
Safety
When cycling always take safety very seriously. Wear a helmet, obey the traffic rules and wear hi-vis clothes. In short, take care of yourself so others can take care of you.
Average price for Crosscountry e-bikes
Our math shows that the average cost of a dependable Crosscountry e-bike is 2453$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Crosscountry e-bike. To sum up, when you purchase your e-bike, make sure to check if it has reviews, and also do some components research.
At the moment of the release date, Trek Powerfly FS 4 625 price was 5291$. Comparing this to the average Crosscountry e-bike price, we see that the price is 115.7% higher.
Internal Cable Routing
This bike has an internal cable routing. As a result, this helps to preserve the bike’s cables. No more cables around your bike.
Overview of components
Fork
This e-bike has the SunTour XCR 34 fork installed. The fork’s travel is 120mm. Bike forks are perfect to absorb shocks and provide a great riding experience overall. In short, you should always ensure you have a good fork when purchasing a bike.
Rear Shock
Rear shocks offer better comfort, better traction, and better cornering. This allows for quicker riding on rough roads and trails. To sum up, always consider getting a bike that has a rear shock as well.
Wheels size
When leaving the production line, the Powerfly FS 4 625 model has 27.5″ aluminum wheels. 27.5″ wheels are a mixture between 29″ wheels and 26″ wheels. However, these wheels have a slower top speed if you compare them to 29″ wheels.
Brakes
For your safety, it is important to have quality breaks on your bike. Trek Powerfly FS 4 625 has Hydraulic Disc brakes installed. With Hydraulic Disc brakes, you’ll be able to stop on a dime, even in wet or icy conditions. To sum up, you can ride your bike with confidence.
Sizes
This e-bike is available in 5 sizes. They vary from 137 cm – 196 cm (4.49 ft – 6.43 ft). In short, it won’t be difficult to find the right one for you.
Dropper post
Trek Powerfly FS 4 625 includes a dropper post. If you are a technical rider, a dropper post is essential. A dropper post provides increased safety while riding. The lever system, allows you to move your saddle up and down, which is very useful on climbs and descends.