Cargo Bike
Trek Fetch+ 4
Trek's carbon front-loader brings mountain bike DNA to family hauling
by Trek
$6,500
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31.11lbs
Weight
400lbs
Max load
85Nm
Torque
~30mi
Real range
500Wh
Battery
2
Kids
Carryish Scores
8/10
Overall
8/10
Hills
8/10
Cargo
7/10
Range
6/10
Value
8/10
Family
The Carryish Take
Belt drive and CVP hub mean you shift smoothly under load and never clean a chain. The dropper post is a nice touch — drop the seat at stops for easy foot-down stability, raise it for efficient pedaling. 175-pound box limit fits multiple kids or a large dog. Trek dealer network is the biggest in the world, so warranty service is easy. At $6,500 it's mid-pack for front-loaders.
Bottom line: The Trek Fetch+ 4 is the luxury SUV of cargo bikes — premium, capable, and priced accordingly.
Best for
- Families replacing an SUV who want the smoothest cargo bike ride possible
- Parents with 2 kids under 8 who live in hilly or rough-road areas
- Daily commuters hauling heavy loads 15+ miles per day
- Buyers who prioritize local dealer support over saving money
- Riders planning to keep their cargo bike for 10+ years
Not for
- Budget buyers — the Rad Power RadWagon does 80% of this for $1,899
- Apartment dwellers who need to carry their bike upstairs regularly
- Cargo bike beginners who should start with a $3,000 longtail like the Tern GSD
- Riders who mainly stick to smooth pavement — save money and skip the suspension
Pros & Cons
What we like
- +OCLV Mountain Carbon frame weighs just 31 lbs despite cargo capacity
- +Fox Factory suspension front and rear smooths out city potholes and gravel
- +Dual battery option provides 1000Wh for 50+ mile loaded range
- +Trek's massive dealer network offers local service and warranty support
- +175 lb cargo capacity handles two kids plus groceries with room to spare
- +SRAM 12-speed drivetrain and hydraulic disc brakes from the mountain bike world
Watch out for
- –At $6,500, costs more than many used cars
- –78 lbs total weight requires strength to maneuver when not riding
- –Front box design takes practice to handle compared to longtails
- –Carbon frame means expensive repairs if you crash hard
Full Specifications
Motor & Power
- Motor
- Bosch (Mid-drive)
- Power
- 250W nominal / 600W peak
- Torque
- 85 Nm
- Assist levels
- 4
- Throttle
- None
- Top speed
- 20 mph
- Class
- Class 1 (20 mph, no throttle)
Battery & Range
- Battery
- Bosch 500Wh
- Voltage
- 36V
- Removable
- Yes
- Dual battery
- Yes (1000Wh total)
- Stated range
- 50 mi
- Real-world range
- ~30 mi (loaded)
- Charge time
- 4.5 hrs
Size & Weight
- Weight
- 31.11 lbs
- Max system weight
- 400 lbs
- Cargo capacity
- 175 lbs
- Length
- 100"
- Wheelbase
- 74"
- Rider height
- 5'3" – 6'5"
Drivetrain & Brakes
- Drivetrain
- Chain — SRAM
- Gearing
- Derailleur (12-speed)
- Brakes
- Hydraulic disc — SRAM
- Rotor size
- 180/203mm
Wheels & Comfort
- Front wheel
- 29in
- Rear wheel
- 29in
- Tire width
- 2.5"
- Tires
- Bontrager
- Puncture protection
- Yes
- Suspension
- Full suspension
Cargo & Family
- Layout
- Front-box
- Max child passengers
- 2
- Child seat compatibility
- Trek cargo box seats
- Integrated child seats
- Yes
- Seatbelts
- Yes
- Wheel guards
- Yes
- Rain cover
- Available separately
- Racks
- Rear
- Rack system
- proprietary
Safety & Security
- Integrated lights
- Yes
- Locking kickstand
- Yes
Extras
- Display
- Bosch Kiox 500
- Kickstand
- double leg
- Fenders
- Included
- Included accessories
- Cargo box, dropper post, fenders, integrated lights, kickstand
Frequently Asked Questions
How does the front box design compare to longtail cargo bikes?
Front boxes let you keep an eye on kids and feel more stable at low speeds. But they take more practice to handle and make the bike longer overall.
Is the carbon frame worth the extra cost over aluminum?
Carbon saves about 15-20 lbs and absorbs road vibration better. If you're riding daily and can afford it, yes — otherwise aluminum works fine.
Do I really need full suspension on a cargo bike?
For smooth city riding, no. But if you're on rough roads, gravel, or carrying precious cargo (kids), the Fox suspension makes every ride more comfortable.
How long does the 500Wh battery last when loaded?
Expect 25-35 miles with two kids and cargo in hilly terrain. The dual battery option doubles that to 50+ miles for serious car replacement duty.
If the Riese & Müller Load 75 is a German luxury sedan, the Fetch+ 4 is an American pickup truck with mountain bike genes. Choose Trek for dealer support and proven mountain bike tech, or save $2,000 with the equally capable Yuba Spicy Curry.
