Kit BEST e-bike 2020 EN

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€1,500.00

1500 1960 €1,500.00 - €1,960.00

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What's included in this kit? 
Everything you need to turn your bike into an e-bike, namely:

• BEST mid drive Motor, including the two front chainrings,
• High Efficiency Controller, 
• Premium Quality Li-Ion Battery, 48V, with smart BMS
• e-bike Smartbox for smartphone Bluetooth connectivity
• ​App download ( iOS and Android versions)
• Battery charger for 110 - 220V
• Motor mounting bracket, 
• Two crankarms, 
• Two brake cutoffs, 
• Throttle, 
• Wheel speed sensor, 
• Mounting instruction, 
• Operation Manual
• Weight: from 7,5Kg ( 16.5 lbs ) to 8,5 Kg (19lbs) depending on the power version and optionals

IMPORTANT: Street Legal means that the kit is made in accordance with the most common regulations of the targeted Country. It's responsability of the buyer to verify the full compliance of the kit with the local laws. The phone is not included with the kit, the app is included.

Frequently Asked Questions

Why is it called BEST? 
Because that's the goal we set for ourselves: building the best electric bike technology. In order to achieve that, we chose best technologies and material, combining those with the innovative concentric mid-drive technology we patented.

I live in Europe, can I buy the 749W ( or 500W or 999W) version of your system? 
Yes, you can buy it. Please consider that you can install the BEST system on your bike and use any power version on private areas. Ebike parks are becoming more and more popular. If you'd like to use your ebike on public roads, then the resulting e-bike must comply to your country and local laws. We created a table for that up above.

Can the motor work with my normal bike shifting system? 
Of course. The motor is designed for doing that!

If you pedal without using the motor, is there drag from the motor? 
You'll have zero drag from the motor if you pedal while not assisted

Can I have the Panasonic high capacity battery (550Wh) with the 250W kit ( or 500W kit)? 
Yes, we added that option because of the frequent requests. Please add to your pledge 160 Euro when pledging the 250W kit and 90 Euro when pledging the 500W kit 

What's the battery dimension? 
Battery dimension is the same across the four power versions. You can see a detailed dimension drawing here

Will the bike chain stain my trousers as in a regular bike? 
Not anymore! During the development of the system we wanted to solve the problem of standard mountain bikes where the chain can stain the trousers. The shape and the location of our motor is specifically made to prevent that.

Can I purchase an extra battery?
Sure!

Is the motor the same for the different power versions? 
The mechanical parts are the same, so overall dimensions are the same. The electrical part is what changes ( winding, power electronic, battery), so to achieve the different performance.

Will the derailleur - chain - sprockets withstand the torque? 
There will be a faster wearing, depending on how you'll use the system. As they wear, we suggest to replace the components with higher quality components to compensate for that. As the chain, we suggest high performance ones, such as these: http://www.kmcchain.eu/chain-mtb-ebike . 
The derailleur will be OK, just make sure to not shift when the motor is in action.

Is BEST ebike kit compatible with internally geared hubs ( aka IGH) such as Alfine, Rohloff? 
Yes, the BEST system can work with geared hubs, and we encourage you to do that: it's the perfect combination. Just pay attention to the maximum torque the geared hub can withstand.

Is BEST compatible with Gates Carbon Drive belt system? 
It can be: we just need to develop the sprocket with the matching interface with the motor. As additional note: during the development of the system we wanted to solve the problem of standard mountain bikes where the chain can stain the trousers. The shape and the location of our motor is specifically made to prevent that.

How much does the motor weight? 
The weight of the motor is 4Kg for the 250W and the 500W versions, 4,5Kg for the 749W and 999W versions

Which Pledge (complete kit) I should choose for my FAT bike? 
For any kit you want, just add a note that's for the FAT bike. Also we'll contact everybody once the campaign is finished to double check the required features. By that time, please confirm you'll have the Fatbike version

What is the diameter and length of the motor? 
Diameter is 195mm, lenght is 54mm, including the double chainring.

What is the Q-factor (width) of the crank? T
he Q factor is increased of approx 50 mm. Lower Q factors are for optimizing the leg push, larger Q factor are best to prevent knee injury.

Will chainline be appropriate? 
Yes, the chainline will be perfect because the chainrings are in the same position as in a standard bicycle. That's a great advantage because you can safely use all the gear ratio of your bike

Is the 120Nm torque measured at the chainring or at the back wheel? 
At the chainrings.

How can the different power versions have the same 120Nm torque? 
The Power is torque times speed. Maximum power output is max torque times ( the maximum rpm at which the motor can extert the peak torque) . If two motors can exert the same peak torque but one of them can withstand that torque only to a lower rpm, that motor will have a lower power, even thought both motors have the same torque.

How did you get more range out of more powerful motor ? 
The more powerful motor comes with a high capacity battery ( 550Wh). Plus you have to factor that the range of the motors is not listed at their respective maximum power but at the constant speed of 25Kph, so at a constant output power.

How many amps does it take to produce 120Nm? 
​That depends on the power version. On the 250W version that's 20 amps, 25 amps on the 500W, 37 amps on the 749W and 999W versions.