BU02

Find a test ride
Color
Frame Size
100%
Motor + TorqueBafang GT800250 W · 120 Nm
Battery720 Wh48 V · 15 Ah
Frame6061 AluminumStep-Through
Rear RackMIK PatentedMax load 27Kg
G-SPEED Bike AppBluetoothAvailable on App Store & Google Play
Warranty
2 yearsComplete bike5 yearsFrame
Limited warranty · Terms apply
Certification EN 15194E-Bike Certification

Meet BU02

The G-SPEED BU02 combines an accessible step-through frame with the capability of the BU Series platform. Powered by the Bafang GT800 mid-drive system and a 720 Wh removable battery, it is designed for comfortable daily commuting, urban riding and practical everyday use. Its 29-inch wheels, suspension components and MIK rear rack balance ride comfort with useful carrying capacity, while up to 120 Nm of torque provides strong support across varied everyday routes. BU02 is designed for riders who want easier access without giving up the versatility and confident ride of a full-size e-bike.

G-SPEED BU02 rider on easy city starts

Easy City Starts

Explore the city with a lower step-over frame. Choose a comfortable riding position before you leave.

G-SPEED BU02 in use for market and cafe

Market & Café

Combine a market visit with a café stop. Keep everyday journeys close to the places you enjoy.

G-SPEED BU02 rider on riverside ride

Riverside Ride

Leave the busy streets for a riverside path. Pick a route that suits your riding experience.

G-SPEED BU02

Specifications

The components and equipment for BU02.

General Info

Bike dimensions
193X67X110CM
Net weight
31.5 Kg
Rider height
Small: 160–170 CM
Medium: 170–180 CM
Large: 180–200 CM
Maximum rider weight
125 Kg
Maximum rear rack load
27 Kg
Water resistance
IPX6
Range
Up To 100KM
Bike safety certification
EN 15194
Battery safety certification
EN50604
Ideal use
Urban, Comfort, Hybrid, Touring
Pedal assist
5 Levels

Frameset

Frame
6061 Aluminum, Putty finish
Fork
100MM Travel, Coil Spring, Mechanical Lockout, 15X110 Boost Thru-Axle, Tapered Steerer Tube
Rear spacing
148mm
Fork spacing
110mm
Frame style
Step-Through

Wheelset

Front wheel
29" Double Wall Aluminum, 36H, 13G Spoke, 15MM Thru-Axle, Schrader Valve
Rear wheel
29" Double Wall Aluminum, 36H, 13G Spoke, 12MM Thru-Axle, Schrader Valve
Tires
CST 29*2.25"

E-Bike System

Motor
Bafang GT800, Mid-drive Motor, 120Nm, 250W
Motor torque
120Nm
Motor power
Rated 250W
Display
BAFANG C400 TFT, Integrated In Bicycle Stem
Battery
BAFANG Removable Lithium-Ion 48V 15 Ah, 720 Wh, LG 21700M50LT cells
Battery weight
4 Kg
Throttle
No throttle
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

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 Cues, 9-Speed, RD-U3020
Chainring
BAFANG 38T
Crankset
BAFANG 170MM
Pedals
9/16 Sealed Bearing Axle, Alloy Platform
Shifter
SHIMANO Cues, 9-Speed, SL-U4000-9R
Chain
KMC XGLidE 9-11 speed, 122L
Cassette
SHIMANO Cues, 9-Speed, CS-LG300-9 11-36T

Cockpit

Saddle
G-SPEED Vacuum Saddle
Seatpost
Suspension Post, 31.6MM, 40MM Travel, 350MM Length
Seatpost clamp
Integrated Hidden Clamp
Stem
105MM Length, 31.8MM Clamp, Adjustable 90° - 150°
Handlebar
31.8MM Bar Bore, 700MM Width, 38MM Rise, Backsweep 25°
Headset
ICR Ready
Grips
Rubber, 130mm, End closed, Single Lock Ring, Black

Included Accessories

Rear rack
MIK Patented System
Mudguard
Aluminum
Chainguard
ABS
Kickstand
Side 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 BU02 frame size.

S · 420 mm160–170 cm
M · 460 mm170–180 cm
L · 510 mm180–200 cm

Geometry & Fit

Measurements are in millimeters unless noted.

BU02 step-through frame geometry illustration with measurement markers A through O
S · 420 mm160–170 cm
M · 460 mm170–180 cm
L · 510 mm180–200 cm
MeasurementS / 420M / 460L / 510
Seat tube (A)420460510
Effective top tube (B)587590600
BB drop (C)757575
Head tube (D)135135135
Head angle (E)68.5°68.5°68.5°
Seat tube angle (F)73.5°73.5°73°
Chainstay (G)497497497
Front center (H)689692684
Wheelbase (I)117611791171
Reach (J)393395398
Saddle height (K)545–725585–765635–815
Fork length (L)512512512
Fork offset (M)484848
Trail (N)122122122
Stack (O)654654659
Standover height780780780
Wheel size29 in29 in29 in

Questions about your bike

What is the BU02 designed for?

BU02 is a step-through city and comfort e-bike for everyday commuting, urban riding and practical daily transport. Its BAFANG mid-drive system, 720 Wh removable battery and MIK rear rack combine everyday usability with strong riding support.

What motor does the BU02 use?

BU02 uses the Bafang GT800 mid-drive motor with up to 120 Nm of torque. Motor power is 250 W for your selected Ship-to country.

What battery does the BU02 use?

BU02 uses a removable 48 V, 15 Ah, 720 Wh BAFANG battery with LG 21700 cells. The supplied 54.6 V / 3 A charger requires approximately six hours for a full charge under normal conditions.

How do I choose the right frame size?

Use the Size & Fit tool on this page. BU02 is available in S / 420 mm, M / 460 mm and L / 510 mm. The recommended size is calculated from the rider-height ranges for the selected country.

Find your fit
Does the BU02 have a throttle?

The bike shown for your selected Ship-to country does not include a throttle. The correct configuration is displayed automatically according to your selected country.

What is the maximum payload?

BU02 supports a maximum payload of 150 kg, excluding the weight of the bicycle itself. Always distribute loads correctly and follow the permitted load limits of individual components such as the rear rack.

What can the G-SPEED Bike App do?

BU02 supports Bluetooth connectivity with the G-SPEED Bike App. Current connectivity is Bluetooth-based; functions requiring cellular, GPS or remote cloud connectivity are not implied.

What warranty does the BU02 include?

BU02 includes a 2-year limited complete-bike warranty and a 5-year limited frame warranty. Warranty terms, exclusions and registration requirements apply, and local statutory consumer rights remain unaffected.

Which safety standard applies?

The BU02 shown lists EN 15194 in its product specifications. Contact our team for information about local requirements.

Have another question about BU02? Ask our team.

Contact
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