Joom: Safely charging your e-bike or e-scooter
• Don’t leave your battery unattended while charging, when you're out or while you're asleep
• Don’t cover chargers or battery packs when charging
• Don’t overload sockets or use unsuitable extension chords
• Don’t charge or store batteries in direct sunlight or in areas with temperatures above 45⁰C
• Don’t charge batteries next to combustible materials or hazardous substances
• Always unplug your charger once you have finished charging
• Always make sure to only use the proper proprietary charger
• Always ask a professional when converting your e-bike or e-scooter
• Always check your battery (and charger) for visible damage
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The 2025 new version of KuKirin G2MASTER features five major hardcore upgrades, reshaping the riding experience!
1️⃣Integrated anti-skid pedal design
▶ New anti slip texture pattern, increased grip by 30%, making riding more stable and safe in rainy and snowy weather;
▶ The streamlined integrated design of the car body ensures a stylish appearance with a high rate of return, making cycling a focal point on the streets.
2️⃣Military grade anti-theft switch
▶ Key start mode+high hardness lock cylinder, anti pry performance improved by 200%, zero risk of illegal opening;
▶ 24-hour protection of your car, no need to worry about parking in the parking lot/on the roadside.
10 inch off-road vacuum tire
▶ Say goodbye to traditional inflatable tires and use puncture self-healing technology to reduce the probability of tire blowouts by 80%;
▶ Thickened tire walls cushion bumps, making it feel like walking on flat ground on gravel roads/speed bumps, with comfort comparable to that of a sedan.
3️⃣LED high-definition color screen instrument panel
▶ 1080P full-color display, still clearly visible under strong light;
▶ Intelligent integrated battery warning+speed reminder+cycling mode switching, important data can be grasped at a glance.
4️⃣3A Fast Flash Charging Technology
▶ Charging speed increased by 50%, allowing for fully charged departure during lunch break;
▶ The intelligent temperature control chip protects the battery and extends its cycle life by 2 years, making it worry free and cost-effective.
✅Why choose G2 MASTER?
✓ 5 major upgrades all revolve around deep optimization of "safety+convenience+durability"
✓ High end craftsmanship is reflected in the details, and the riding experience surpasses its peers in all aspects
Packaging
Package size
Internal dimensions: 1280 × 260 × 585mm
External dimensions: 1295 × 272 × 605mm
weight
Product gross weight: 39.2 ± 0.5kg
Net weight of product: 33.1 ± 0.5kg
Product basic parameters
size
Unfolding body dimensions: 1260 × 595 × 1315mm
Folding body size: 1260 × 595 × 595mm
Horizontal bar size: 595mm
Pedal size: 550 × 190mm
Pedal to crossbar height: 1040mm
Chassis height: 162mm
Maximum load capacity: 120kg
speed
Maximum speed: 60km/h
Gear speed:
Single wheel drive mode: 1st gear 20km/h, 2nd gear 40km/h, 3rd gear 55km/h
Dual drive mode: 1st gear 20km/h, 2nd gear 40km/h, 3rd gear 60km/h
Range and Performance
Medium speed range (65kg load): ≤ 70km
Climbing ability: ≤ 28 ° slope
Braking system: front and rear disc brakes+power-off brake
Braking distance: 6-12m
Waterproof rating: IP54
material
Frame material: aluminum alloy+steel
Motor and battery
electrical machinery
Type: DC brushless wheel hub motor (front and rear wheel dual drive)
Voltage: 52V
Acceleration mode: sine wave
Power data:
Rated power: 1000W × 2
Instantaneous maximum power: 1200W × 2
Rated speed: 1270 rpm
Maximum torque: 26 N · m
battery
Model: 18650 lithium battery
Voltage: 52V
Capacity:
Single cell capacity: 2600mAh
Battery pack capacity: 20.8Ah
Standard power consumption: 1.0816kW · h
Protection System: Battery Protection Board (BMS)
charger
Input voltage: 100-240VAC~50/60Hz
Input current: 3A Max
Output voltage: 58.8V
Output current: 3A
Charging time: 7-8 hours
Damping system
Front shock absorber: hydraulic damping shock absorber
Rear shock absorption: hydraulic damping shock absorption
light system
Headlight: LED (6W, illumination angle 45 °, area 5 ㎡)
Turn signal: Yes
Taillight:
When the headlights are on, the taillights are on;
The tail lights flash when braking.
tire
Size: 10 inches (10 x 2.75-6.5)
Type: Off road vacuum tire
Best tire pressure: 250kPa (30psi)
display
Type: LCD
Material: Instrument shell ABS/Instrument bracket PA6
Size: 133 × 76mm
Display content:
Lighting, cruise control, braking, steering, gear, mileage, real-time speed, unit (km/mile), battery level, fault code, starting mode, single/dual drive status, etc.
Function settings:
By pressing the power button three times in a row to enter the menu (P1/P5/P6/P8/PA/PB/PC), you can adjust the unit, cruise mode, start mode, sleep time, power/braking force, mileage reset, etc.
Speed limit mode: Pinch the brake lever+double-click the power button to switch (flashing prompt on the instrument panel border).
packing list
Charger x 1
Tool box x 1
Instruction manual x 1
