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2021 Large SKU: BMT22314

Trek Powerfly 4 Mountain E-Bike - 2021, Large

Regular price

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TPC Guarantee

Every bike receives our white glove, Certified Pre-Owned treatment, including a full pro-tune by our Master Mechanics in Louisville, CO. All CPO bikes are pristine and rolling beautifully before we pack and ship to your door.

- New FSA chain to optimize crisp shifting.

Master Mechanic's Notes
- Light scuff on the drive-side down tube.
- Small paint chip on the non-drive side head tube.

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141-Point Inspection

This bike passed our 141-point inspection to qualify to be a Certified Pre-Owned bike. It's free of structural damage and is in excellent cosmetic shape.

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30-Day Hassle-Free Returns

Shop with confidence. Every bike is covered by our 30-day satisfaction guarantee. If this bike isn’t perfect for you, get in touch and we’ll help you find the right bike.

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RideFast Shipping

Assemble your bike in 15 minutes or less! Our bikes ship in our RideFast box for speed and safety. All tools you need to assemble are included.

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Year 2021
Brand Trek
Model Powerfly 4
Size Large
Frame Material Aluminum
Drivetrain Shimano, 1x10 spd
Weight 51 lbs 10 oz
Fork SR Suntour XCM 34
Fork Travel 80mm
Rear Shock Travel N/A
Brakes Tektro HD-M275, Disc - Hydraulic
Shifters Shimano Deore M4100, Mechanical
Rear Derailleur Shimano Deore M5120
Bottom Bracket Shell N/A
Crankset FSA Bosch CK-220 Alloy, 36t, 165mm
Cassette Shimano Deore M4100, 11-46t
Chain FSA
Handlebar Bontrager Alloy, 750mm
Headset FSA Integrated
Stem Bontrager Alloy, 31.8mm x 70mm, 7°
Seatpost Bontrager Alloy, 31.6mm
Saddle Bontrager Commuter Comp
Front Axle Spacing 15x110mm (Thru-Axle)
Rear Axle Spacing 12x148mm Boost
Wheelset Bontrager Connection Aluminum Clincher, Formula
Front Tire Bontrager XR3 Comp, 29" x 2.3"
Rear Tire Bontrager XR3 Comp, 29" x 2.3"
Tire Type Clincher
Tubeless Compatibility Wheels are not tubeless compatible
Motor Bosch Performance CX
Torque 85Nm
Wattage 250w
Battery Bosch PowerTube 500Wh
Top Speed 20mph
Mileage 116
Key Included Yes
Charger Included Yes


Recommended Rider Height 5'10" - 6'2"
a. Effective Top Tube 642 mm
b. Seat Tube 470 mm
c. Seat Tube Angle 71.6°
d. Head Tube Angle 67.6°
e. Head Tube 140 mm
f. Stack 649 mm
g. Reach 425 mm
h. Standover Height 817 mm
i. Saddle Height Range N/A

“I love this company! My beautiful bike arrived promptly, was packed brilliantly, and tuned perfectly. It was exactly as described.”

— Kari K.


“In the past month, I purchased a road bike and MTB from TPC. Very happy with the price and condition of both bikes! I was riding the bikes 10 minutes after I received them.”

— David H.

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