Voyager Manual, Specs & Assembly

Current model. This page covers the Dirwin Voyager folding electric bike. Not your bike? See all manuals.

Quick start

  1. Powering on: Hold down the Power button for 3 seconds to turn on your e-bike.
  2. Select pedal assist level: Use the "+" and "-" buttons to choose between pedal assist levels 0 to 5. Level 1 provides the least assistance, while level 5 offers the most. Level 0 disables pedal assist.
  3. Activate headlight: Once the display is on, hold down the "+" button for 4 seconds to turn on the headlight. When the headlight is on, press and hold the "+" button for 4 seconds to turn it off.
  4. Access settings: Press and hold both the "+" and "-" buttons for 4 seconds to enter the settings menu. Press the "+" and "-" buttons to select items once inside the settings menu.
  5. Adjust speed limit: Hold down the "-" button for 5 seconds to switch the top speed limit between 20 mph and 26 mph.
  6. Power lock: Go to Settings and choose Password. You can set a password to lock the e-bike's power when you're not using it.
  7. Start riding: You're now ready to ride your Dirwin Bike. Pedal with or without pedal assistance, use the throttle for acceleration, and enjoy your ride.

Assembly video

Manuals and downloads

Specifications

Battery 48V/13Ah (624Wh) Lithium Battery (8.4 lbs)
Motor 500W Brushless Motor
Bike Frame A6061 Aluminium Alloy (IPX5 Water Resistant)
Display LCD Display with USB-C Charging Port
Brakes 160mm Mechanical Disc brakes
Derailleur 7-Speed Shimano Altus
Freewheel Shimano 7-Speed
Tires 20" x 2.125" Tires
Shifter Shimano 7S
Front Fork 20" Adjustable Hydraulic Suspension Fork
Charger US-Standard 2A Smart Charger (fits all Dirwin batteries)
Range 25-45+ Miles
Pedal Assist 5-Levels
Throttle Half Twist
Saddle HQ-Comfort Saddle
Charging Time 5-8 Hours
Product Weight 59 lbs (50.6 lbs w/o battery)
Total Payload Capacity 250 lbs
Controller 48V 20A
Chain Ring 52T
Handle Bar Φ22.2 x Φ25.4 x 600L
Seat Post Φ30.4 x 350L
Seat Post Clamp Φ35.0
Recommended Rider Height 5'0"-6'3"

Dimensions and sizing

Dirwin Voyager dimension diagram with measurements labeled A through L
A. Total Length 63"
B. Handle Bar Height 45.3"
C. Wheelbase 42.1"
D. Minimum Seat Height 29.9"
E. Maximum Seat Height 38.2"
F. Chain Stay Length 17.3"
G. Standover Height 14.6"
H. Top Tube Length 20.5"
I. Wheel Diameter 19.7"
J. Head Tube Length 6.3"
K. Handle Bar Length 24"
L. Rear Rack Height 23.2"

Parts and accessories

Need a replacement part or want to add gear? Check each product page for Voyager compatibility.

Warranty and support

Every Dirwin e-bike is covered by a 2-year warranty: 12 months included, plus a free 12-month extension when you register your bike on our site.