Trek Fetch+ 4 User manual

2023 FETCH+ 4

SERVICE MANUAL

2023 Fetch+ 4

Contents

Steering

pages 1-4

Cable system Adjust cable

tension

Replace steering

cables

Drivetrain

pages 5-9

Belt guard Drive unit cover Belt tensionerr Adjust belt tension Align belt

Routing

pages 10-14

Rear Front Instructions

Battery

pages 15-17

Guide Install battery

guide

Lock, cover, and

charge port

Headsets

pages 18-20

Rear assembly Front assembly Instructions

Frame

pages 21-25

Floor plate and

mat

Cargo box Front cover Frame assembly

1 4

3 2

8 5

6 7

Frame tightening

sequence

Accessories

pages 26-32

Front fender and

light

Rear fender and

light and light

Ring lock Kickstand Child seats

2023 Fetch+ 4

About this manual

Scope

This manual contains parts diagrams, specications (such

as grease and torque values), instructions, and helpful tips

(such as the easiest direction to route cables).

This manual does not contain instructions on all

components (such as brake calipers). Refer to the original

manufacturer for more information.

Working on a front cargo bike

The length, weight, and box size make working on this

bicycle more difcult. Do not use a regular repair stand to

lift the bicycle — use a ceiling-mounted hoist.

If you do not have a hoist, you can do many repairs by

tipping the bicycle on it’s side.

Interactive models

Additional info

There are additional manuals available at Trekbikes.com/

manuals.

• E-Cargo Owner’s Manual — comprehensive instructions

that come with your bicycle

• Bosch BES3 E-bike Manual — detailed instructions on

the e-system found under Electric bikes > 2023

Legend

Zip tie

Nm Torque value

Apply threadlocker

Apply appropriate grease

Warnings

WARNING

Properly tighten hardware

Always tighten hardware to the specied torque.

Over-tightening hardware could deform or break the

hardware or components. Under-tightening hardware

could cause hardware or components to become loose.

Either situation could damage the bicycle and result in

injury to the rider.

WARNING

Reapply threadlocker

All reused-fasteners with pre-applied threadlocker must

be cleaned with isopropyl alcohol and have new thread-

locker applied before re-assembly. If threadlocker is not

applied, the fasteners may loosen which could damage

the bicycle and result in injury to the rider.

2023 Fetch+ 4

Steering Drivetrain Routing Battery Headsets Frame Accessories

Steering: cable system

18Nm

14Nm

18Nm 2

18Nm

13 12

4Nm



4Nm

1 Cable mount (front) — W5257125

2Bolts (M8x20mm)

5284657

3Washers (M8)

4Bolts (M8x80mm)

5Nuts (M8)

6 Cable mount (rear) — W5257126

7Bolts (M8x20mm) — 5284656

8Steerer tube (rear)

5284549

9Steering disc (rear)

10 Steering disc (front) — 5284720

11 Bolts (M5x20mm) — 5304417

12 Bolts, T25 drive (M5x10mm) — 5284857

13 Steering column cover — W5268883

14 Steering cables — 5284692

15 Fork — W5266799

Click

here

2023 Fetch+ 4

Steering Drivetrain Routing Battery Headsets Frame Accessories

Steering: adjust cable tension

1. Loosen the four rear cable mount bolts (2) — do not

remove them.

2. Hold the tensioning bolt (4) in place and use a 13mm

wrench to loosen the tensioning nut (5). Then, loosen

the tensioning bolt (4) to remove tension from the

cables. Repeat for the other side.

3. Move the cable mount (6) to increase tension in the

cables.

4. Tighten both tensioning bolts (4) — alternating

between them to keep the cable mount parallel —

until they are snug into the cable mount (6). Then,

tighten both tensioning nuts (5) to 18Nm.

5. Test the front wheel steering and adjust the cable

tension, if necessary. There should be no noticeable

slack when steering quickly.

• Too loose — the wheel will feel disconnected from

the steering.

• Too tight — the steering will feel heavy with a lot of

friction.

Notice: If the cables are too tight, the bearings

will wear out much faster than if the cables are

tensioned properly.

6. Tighten all four rear cable mount bolts (2) to 18Nm

(see Step 1).

7. Tighten both tensioning nuts (5) to 18Nm.

2023 Fetch+ 4

Steering Drivetrain Routing Battery Headsets Frame Accessories

Steering: replace steering cables

Replace all four cables every two years or

10,000km/6,000mi.

NOTE: If a cable is damaged and needs repair, replace all

four cables — not just the damaged one.

Remove the cables from the rear disc

1. Cut the three zip ties connecting the steering cables

to the frame (see the zip tie locations on page 1).

2. Loosen the four rear cable mount bolts (2) — do not

remove them.

3. Hold the tensioning bolt (4) in place and use a 13mm

wrench to loosen the tensioning nut (5). Then, loosen

the tensioning bolt to remove tension from the

cables. Repeat for the other side.

4. Remove the two bolts (11) securing the steering

cables in the rear cable mount.

5. Slide the cable mount (6) towards the steering disc to

relieve tension on the cables.

6. Remove the cables from the steering disc.

Remove the cables from the front disc

1. Loosen the two bolts (11) securing the steering

cables in the front cable mount (1).

2. Remove the cables from the front steering disc.

2023 Fetch+ 4

Steering Drivetrain Routing Battery Headsets Frame Accessories

Insert the cables into the front disc

NOTE: The cables may be slightly different lengths — there

is no certain order you need to install them. They will

stretch and even out after use.

1. Route the four cables through the frame brackets.

2. Route one cable into the lower section of the front

steering disc. Then, route another cable in the upper

section. Install one bolt (12) into the cable mount

and torque to 4Nm to secure the two cables.

IMPORTANT: Make sure the cable end stop is fully

inserted into the cable mount or you will not have

enough slack when you install the cables in the rear

disc.

3. Repeat Step 2 for the other side.

Insert the cables into the rear disc

1. Route the rear cables as shown below.

2. Tension the cables followings Steps 3-7 on page 2.

3. Use six zip ties to attach the cables to the frame as

shown below.



Steering: replace the steering cables (continued)

2023 Fetch+ 4

Steering Drivetrain Routing Battery Headsets Frame Accessories

Drivetrain: belt guard

22Nm

5Nm

2Nm

5Nm

1Washers (M5)

5284857

2Bolts, T25 drive

(M5x10mm)

3Bolts (M6x10mm)

4 Beltring (50T) — W5285189

5Sprocket (22T) — W590978

6Belt (128T) — W571473

7Belt guard

5280793

8Belt guard bracket

9Belt guard bracket addition

*North America only

Before removing the belt

• Remove the belt guard

• Remove the rear wheel

• Remove the driveside crank arm

• Release tension in the belt (see page 8)

See the manufacturer’s specications for more info:

GatesCarbonDrive.com.

Click

here

2023 Fetch+ 4

Steering Drivetrain Routing Battery Headsets Frame Accessories

Drivetrain: drive unit cover

4Nm

2Nm

20Nm

1Washers (M5)

5284548

2Bolts, T25 drive (M5x10mm)

3Bolts, T25 drive (M4.8x13mm)

4Sheet nuts (M4.8)

5Drive unit cover (non-drive side)

5280792

6Drive unit cover (drive side)

7Mounting bolts, T40 drive (M8x16mm) — *1270.016.470

8Bosch connect module BCM3100 — *EB13.200.02L

*Bosch part numbers are not available on Trekbikes.com.

Click

here

2023 Fetch+ 4

Steering Drivetrain Routing Battery Headsets Frame Accessories

Drivetrain: belt tensioner

7Nm

5Nm

12 5Nm

1Belt roller

5291300

2Washers (M8)

3Bearings

4Bolt (M8x40mm)

5Bolt socket set screw — W5282014

6Tensioner arm

5280807

7Tensioning bolt (M8x100mm)

8Bolt (M6x60mm)

9Tensioning nut (upper)

10 Tensioning nut (lower)

11 Coupling nut

12 Bolts (M6x10mm)

Click

here

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