The Vakole CO20 Max has been upgraded to the Torque Sensor and Chaoyang Tire in April 2024, and 2 versions are now available for sale: Torque Sensor and Speed Sensor. 

Torque Sensor:

• Enhanced sensor technology: The upgraded Torque sensors feature advanced technology, offering greater accuracy and precision compared to speed sensors. They measure the force applied by the rider to the pedals and adjust the motor accordingly, resulting in a more natural and responsive riding experience.
  
• Improved efficiency and smoothness: While the increase in cruising range may not be significant, Torque sensors deliver a smoother and more efficient power delivery system, enhancing overall performance and ride quality.

Chaoyang Tires:

• Chaoyang tires are recognized for their strong road grip, robust sidewalls, high safety standards, and excellent performance across various terrains.

In conclusion, despite the higher initial cost of the upgraded version, it provides a superior riding experience and performance that may justify the investment for riders. 

Main Features

Dual-motor electric bike (750W motor*2)( Top speed: 25km/h )
A dual 48V 750W Brushless Motor has high performance, more power, and faster acceleration. The rear and front hub motors offer unmatched performance on climbs, deep snow, and even mud.

20Ah 48V Removable Battery Samsung
Long Range: 80-120Km by assist, 60-80Km by pure electric
Its simple design and compact size make the bicycle beautiful and generous. Also, it is easy to install and disassemble as well as convenient transportation and safe use.
√ Waterproof design
√ Long cycle life
√ Compact Size
Travel more than 50-55KM on a single charge.

5 Speed Levels with Mechanical Shift 7 Gears
7-speed Shimano bikes can travel on different terrains. Riders can adjust the bike’s gear according to personal preference to adapt to different road conditions, such as tilt, bumps, or other difficulties. The lower gears make it easier to pedal, and the higher gears make it easier to move downhill.

3 Riding Modes
√ Electric-only mode
√ Cycling mode (without electricity)
√ Pedal-assist mode

UPGRADED Light System
Front Head Beam Lamp, Manual Seat backlight, Tail light)Big beam light for clearer vision at night

UPGRADED fast 4A charger, fully charged in 5-6 hours

Key-Disp Smart Display
CO20 Max supports the most recent smart App: Key-Disp, which allows your bike become more smart and reliable. You can track your bike's position (IOS only) and edit bike's specifications as you wish on the App. No need to reset the display any more, the settings are now become easier. Download the App with the photo below:

For Android: Click here√
For IOS: Click here√

More details：
Hydraulic brake: Hydraulic disc brakes use a sealed fluid system to transfer the braking force from the lever to the caliper.

Pros of Hydraulic Disc Brakes:
√ More likely to last longer
√ Less maintenance
√ More brake-stopping power

Comfort Seat with LED light
This Folding dual motor fat tire electric bike has an oversized Comfort seat with a lightweight foam seat made of high-quality waterproof artificial leather and filled with decompression function, bringing you a different comfort experience.

Lockable Suspension Fork
The high-strength shock absorber front fork allows you to be more relaxed and comfortable when riding, and no longer afraid of bumps. Meanwhile, the lock switch can be manually locked or opened depending on riding conditions. The separate fork-shaped bridge design makes the outer tube of the front fork stronger and effectively prevents dust pollution during riding.

4.0 cut-resistant and wear-resistant wide tires
The deep and wide tread design provides good grip and stability. Make it perfect for driving on snow, sand, mountain, and rugged roads, and even hunting.

Front and Rear Shock Absorber
VAKOLE CO20 MAX has front and rear shock absorbers. The full shockproof system keeps your tires stay in contact with the ground when riding on rugged ground, and bumps. Meanwhile, it will improve traction, instead of rebounding from bumps and losing grip, and reducing the risk of making mistakes on rough terrain for long distances riding with smoother riding.

Specifications

Model	VAKOLE CO20 MAX	VAKOLE CO20
Meter Display	Key-Disp Smart Display	Color Screen LCD meter
Frame Material	Aluminum Alloy	Aluminum Alloy
Color	Silver-gray	Silver-gray
Battery	20Ah Samsung 21700 lithium battery	15Ah  lithium battery
Battery Voltage	48V	48V
Charger Voltage	56.4V 4A	56.4V 4A
Charger Plug Type	European standard round plug	European standard round plug
Charging Time	About 5H	About 4H
Motor Wattage	750W*2	750W*2
Torque	Single-motor Mode: 60N.M Dual-motor Mode: 85N.M	Single-motor Mode: 60N.M Dual-motor Mode: 85N.M
Speed Level	5 levels	5 levels
Mechanical Shift	7-speed gears	7-speed gears
Riding Modes	1. Electric-only mode 2. Cycling mode (without electricity) 3. Pedal-assist mode	1. Electric-only mode 2. Cycling mode (without electricity) 3. Pedal-assist mode
Tire	CST 20*4.0	CST 20*4.0
Brake	Hydraulic disc brakes	Mechanical disc brakes
Shock Absorber	Front fork suspension & tail mechanical suspension	Front fork suspension & tail mechanical suspension
Gradeability	35°- 40°	35°- 40°
Top Speed	25km/h (can be unlocked)	25km/h (can be unlocked)
Mileage of Pure Electric	60-80KM	40-60KM
Mileage of Assistance	80-120KM	70-110KM
Maximum Load	150kg	150kg
Rear Seat Bracket Maximum Load	50kg	50kg
Suitable Height	160 - 190cm	160 - 190cm
Headlight	Big beam light	Big beam light
Tail Light	Yes	Yes
Turn Signal Light	Yes	Yes
Mudguard	Front & rear fender	Front & rear fender
Reflectors	Front & rear wheel	Front & rear wheel
Waterproof Level	IP65（life waterproof, can be used in the rain）	IP65（life waterproof, can be used in the rain）
Net Weight of the Bike	36.7kg	31kg
Weight of Battery	4.6kg	4.2kg
Gross Weight	43.5kg	36kg
Packing Mode	Folding	Folding
Package Size	98×44×83cm	98×44×83cm
Accessories Pack	1*Hanging bag 1*Tyre pump 1*Multi-function tool kit 1*Phone holder 1*Turn signal light (installed under the seat ) 1*Charger	1*Hanging bag 1*Tyre pump 1*Multi-function tool kit 1*Phone holder 1*Turn signal light (installed under the seat ) 1*Charger

【Unlock Speed Limit Note】

The bicycles currently on sale have a speed limit. If you want to lift the speed limit, please follow the steps below:

1. Press and hold the power button at the same time and then the P1 character appears in the middle of the screen, Press the "+" button to add from P1 to P6.
2. Press the left button of the power button to display the speed on display, and press the button above the power button to increase the speed to what you want.
3. Press the left button of the power button again to return to P6.
4. Finally, press and hold the left button of the power supply to complete the setting.