Trek Fetch+ 4

Name: Trek Fetch+ 4
Brand: Trek
Price: 8499.99 USD

2026 UrbanUtilityBox bike Electric bicycle Manufacturer page

Price: $8,499.99

Prices shown first for United States

Brand's site · 2026-11-11
Fork travel: 50 mm
Wheels: 650b
Drivetrain: 1 × 1
Battery: 750 Wh
Frame: Aluminum
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

One Size 160–190

Components

23 of 28 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

High-performance hydroformed alloy, low-step, Removable Integrated Battery, internal cable routing, Motor Armor, post-mount disc, 148x12 thru axle Not identified

Electric system

4 parts

Suspension

2 parts

Drivetrain

4 parts

Cassette
- Gates
Chain guide

Yes, alloy Not identified
Crankset
- Prowheel
Shifters
- Enviolo

Brakes

2 parts

Brakes
- Tektro HD-T737
HD-T737HD-E737
Disc rotors
- Tektro

Wheels and tires

5 parts

Front hub
- Formula DC-71
DC-71
Rear hub
- Enviolo
Rims

Alloy double-walled, 32-hole Not identified
Spokes

14g stainless steel, black Not identified
Tires
- Schwalbe
ECE-R75

Cockpit and contact points

7 parts

Grips
- Bontrager
Handlebar

Alloy, 31.8mm clamp, 25mm rise, 630mm width Not identified
Headset
- FSA
Pedals
- Bontrager
Saddle
- Bontrager
Seatpost
- Tranz-X
JD-YSP28PLQ
Stem
- Bontrager

Other components

3 parts

Sizes and geometry

1 size Open in the geometry plotter

Enter your height to highlight matching ranges.

Size One Size

Table

Geometry diagram unavailable

The drawing needs head tube angle and head tube length, which the manufacturer did not publish. Available facts remain in the table.

Size Reported by the manufacturer

Complete manufacturer geometry table 1 published size

Complete manufacturer geometry by size
Measurement
Reachmm	390
Stackmm	893
Seat tube lengthmm	450
Seat tube angle	68°
Chainstay lengthmm	488
Wheelbasemm	2018
Bottom bracket dropmm	70
Standover heightmm	450

Not published by the manufacturer: Top tube length, Head tube length, Head tube angle, Front center, Bottom bracket height, Fork rake, Trail, Stack/reach ratio, Front travel, Rear travel, Crank length, Handlebar width, Stem length, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum
Weight limit: 250 kg

551.2 lb

Suspension

Suspension configuration: Hardtail
Front travel: 50 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Rear sprockets: 1
Drivetrain technologies: belt-drive, internally-geared-hub

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Dropper seatpost
Shifting: Mechanical

Electric system

Battery capacity: 750 Wh

Additional specifications

Battery: Bosch PowerTube 750Wh, smart system
Fork spring: Coil
Tire width: 2.15″
Wheel material: Aluminum
Wheel size: 650b

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2026 builds
Specification	This bicycle Trek Fetch+ 4	Trek Fetch+ 2
Frame
Weight limit	250 kg	200 kg
Fork material	Not informed	Aluminum
Bicycle weight	Not informed	31 kg
Suspension
Suspension configuration	Hardtail	Rigid
Front travel	50 mm	Not informed
Drivetrain
Rear sprockets	1	10
Drivetrain technologies	belt-drive, internally-geared-hub	Not informed
Smallest sprocket	Not informed	11
Largest sprocket	Not informed	36
Cockpit
Seatpost	Dropper seatpost	Rigid seatpost
Electric bicycle systems
Battery capacity	750 Wh	500 Wh
Other specifications
Fork spring	Coil	Not informed
Suspension	Hardtail	Rigid
Tire width	2.15″	2.35″
Wheel size	650b	20″