BG03
2 yearsComplete bike5 yearsFrame
Limited warranty · Terms applyMeet BG03
The G-SPEED BG03 takes the Cargo Series in a full-size-wheel direction, pairing a practical step-through frame with 26-inch wheels front and rear. The Bafang GT800 mid-drive system provides strong, natural support for everyday utility riding, while the longtail cargo platform adds flexibility for carrying equipment, daily loads and family-oriented transport. With its larger rear wheel and distinct geometry, BG03 is designed for riders who want cargo versatility with the familiar ride character of a full-size bicycle.
Full-Size Cargo Ride
Explore cargo riding with full-size wheels. Set up the bike for the journeys you make most often.
Longer Urban Haul
Connect everyday stops across the city. Check your route and secure everything you carry.
Weekend Utility
Take practical transport beyond the weekday routine. Choose suitable accessories for your plans.
G-SPEED BG03
Specifications
The components and equipment for BG03.
General Info
- Bike Size (L × W × H)
- 203X70X115CM
- Net Weight
- 42 Kg
- Rider Height
- One Size: 160–200 cm
- Max Rider Weight
- 125 Kg
- Max Front Rack Load
- 10 Kg
- Max Rear Rack Load
- 70 Kg
- Water Resistance
- IPX6
- Range
- Up To 100KM
- Bike Safety Certifications
- EN 17860
- Battery Safety Certifications
- EN50604
- Ideal Use
- Longtail Cargo, Heavy Duty
- Pedal Assist
- 5 Levels
Frameset
- Frame
- 6061 Aluminum, Putty finish
- Fork
- 80MM Travel, Coil Spring, Mechanical Lockout, 10X100 Nutted-Axle, Tapered Steerer Tube
- Rear Spacing
- 135mm
- Fork Spacing
- 100mm
- Frame Style
- Step-Through
Wheelset
- Front Wheel
- 26" Double Wall Aluminum, 36H, 13G Spoke, 10MM Nutted-Axle, Schrader Valve
- Rear Wheel
- 26" Double Wall Aluminum, 36H, 13G Spoke, 10MM Nutted-Axle, Schrader Valve
- Tires
- CHAOYANG 26*2.35"
E-Bike System
- Motor
- Bafang GT800 Mid-Drive Motor, 120Nm, 250W
- Motor Torque
- 120Nm
- Motor Power
- Rated 250W
- Display
- BAFANG C080 TFT, Handle Bar Mounted
- Battery
- BAFANG Removable Lithium-Ion 48V 15 Ah, 720 Wh, LG 21700M50LT cells
- Battery Weight
- 4 Kg
- Charger
- BAFANG 54.6V 3A charger
- Charging time (0–100%)
- 6 Hours
- Lights
- Head Light: LED, 60LUX
Rear Light: LED, Integrated In Mudguard - Smart Features
- Blue Tooth Connection, "G-Speed Bike" App
- Throttle
- No throttle
Brakes
- Front Brake
- 2-piston Hydraulic disc brake
- Rear Brake
- 2-piston Hydraulic disc brake
- Front Brake Rotor
- 180mm 6 bolt
- Rear Brake Rotor
- 180mm 6 bolt
Drivetrain
- Rear Derailleur
- SHIMANO Tourney, 7-Speed, RD-TY300
- Chainring
- BAFANG 44T
- Crankset
- BAFANG 170MM
- Pedals
- 9/16 Sealed Bearing Axle, Alloy Platform
- Shifter
- SHIMANO Altus, 7-Speed, SL-M315-7
- Chain
- KMC Z7 7 speed, 144L
- Chain Guide
- Included
- Freewheel
- SHIMANO Tourney, 7-Speed, MF-TZ500-7 14-28T
Cockpit
- Saddle
- G-SPEED Vacuum Saddle
- Seatpost
- Suspension Post, 31.6MM, 40MM Travel, 350MM Length
- Seatpost Clamp
- Integrated Hidden Clamp
- Stem
- 70MM Length, 31.8MM Clamp
- Handlebar
- 31.8MM Bar Bore, 660MM Width, 38MM Rise, Backsweep 25°
- Headset
- ICR Ready
- Grips
- Rubber, 130mm, End closed, Single Lock Ring, Black
Included Accessories
- Front Rack
- Aluminum
- Rear Rack
- Aluminum
- Mudguard
- Aluminum
- Chainguard
- Metal
- Longtail Rear Bench Seat
- Included
- Passenger Backrest
- Included
- Passenger Handrail
- Included
- Passenger Foot Pegs
- Included
- Kickstand
- Center Mounted
- Reflectors
- Included
- User Manual
- Included
- Tools
- Hex Keys: M3, M4, M5, M6 – 1 Pcs Each
Open-end Wrench (8-10mm): 1 Pcs
Open-end Wrench (13-15mm): 1 Pcs
Open-end Wrench (14-17mm): 1 Pcs
Dual-head Screwdriver (Phillips / Flathead): 1 Pcs
Find your fit
Enter your height to see the recommended BG03 frame size.
Recommended size
Contact us for sizing advice
One Size · 430 mm160–200 cm
Geometry & Fit
Measurements are in millimeters unless noted.
One Size · 430 mm160–200 cm
| Measurement | One Size / 430 |
|---|---|
| Seat tube (A) | 430 |
| Effective top tube (B) | 644 |
| BB drop (C) | 35 |
| Head tube (D) | 135 |
| Head angle (E) | 71° |
| Seat angle (F) | 73° |
| Chainstay (G) | 615 |
| Front center (H) | 690 |
| Wheelbase (I) | 1303 |
| Reach (J) | 458 |
| Saddle height (K) | 550–730 |
| Fork length (L) | 480 |
| Fork offset (M) | 32 |
| Trail (N) | 118 |
| Stack (O) | 606 |
| Standover height | 751 |
| Wheel size | 26″ front / 26″ rear |
Questions about your bike
What is the BG03 designed for?
BG03 is a longtail cargo e-bike for everyday utility and load-carrying. It uses a step-through frame.
What motor does the BG03 use?
Bafang GT800 Mid-Drive Motor, 250 W rated power and 120 Nm torque. The configuration follows your selected delivery country.
What battery does the BG03 use?
A removable BAFANG 48 V, 15 Ah, 720 Wh lithium-ion battery with LG 21700M50LT cells, supplied with a BAFANG 54.6 V, 3 A charger. Charging from 0–100% takes 6 hours.
What makes the BG03 a cargo e-bike?
Its longtail frame includes aluminum front and rear racks, a rear bench seat, passenger backrest, handrail and foot pegs, plus a center-mounted kickstand.
What is the rear rack load capacity?
The maximum rear rack load is 70 kg. This is a rack-specific limit, not a combined bike payload rating.
What is the front rack load capacity?
The maximum front rack load is 10 kg.
What wheel setup does the BG03 use?
BG03 uses 26-inch wheels front and rear, giving its cargo platform the familiar ride character of a full-size bicycle.
Does the BG03 have a throttle?
No throttle is included in the configuration for your selected delivery country.
How do I choose the right size?
BG03 has one frame size: 430 mm, recommended for riders 160–200 cm tall.
Find your fitWhat can the G-SPEED Bike App do?
The G-SPEED Bike App connects to the bike via Bluetooth. It is available on the App Store and Google Play.
What warranty does the BG03 include?
2 years for the complete bike and 5 years for the frame. Limited warranty · Terms apply.
Which certification applies to my delivery country?
EN 17860 is the e-bike certification for the configuration selected by your delivery country.
Have another question about BG03? Ask our team.
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