Varstrom 29 Inch DIY eBike with Bafang Mid Drive Kits and Hailong Down Tube Battery
US/CA/AU: 3 to 7 Bussiness Days.
EU/UK/DE/FR/PL: 2 to 4 Bussiness Days.
Varstrom had became Bafang Cooperation Brand since 2018.
Varstrom support 14 days money back guarantee.
TWO YEARS WARRANTY
One Year Warranty for all customers.
Two Years Warranty for all subscribers.
Latest DIY eBike Experience
Varstrom is implementing a new e to bike conversion experience, if you wish to enjoy the cost effectiveness of a converted e to bike, but you don't have a bike in your garage, then you can consider this new type of e to bike kit from Varstrom. It may not have the most beautiful appearance, but it must be the most practical way to get an eBike. Another advantage is that you do not need to consider if the kits or accessories are fit to the bike, because we have already found a bike for you. So you only need to choose a rated power value of the bike, a display you like, and an ideal battery. Then we will ship everything together to your home so you can realize your e to bike conversion plan.
PS: What you will receive is a bike, a mid drive kits with display and a battery.
About the Bike
To better match the Bafang mid drive motor kit, we choose this frame and fork. Aluminum frame, aluminum front fork with lockable suspension, which makes your riding more stable and more comfortable. Also it comes with front and rear hydraulic disc brakes, allows more precise braking, reduces the possibility of tires locking up when re to braking. SHIMANO shifting system, a professional and famous gear shifting system, ensures smooth gear shifts.
Choose the eBike Power
Varstrom provides Bafang mid drive kits, 250W/36V, 250W/48V, 350W/36V, 500W/36V, 500W/48V, 750W/48V, 1000W/48V, 1000W/52V. If you buy an e-bike directly, you can never find such a wide range of power for you to choose.
Choose Down Tube Battery
There are 2 kinds of battery provided for your choice, 48V or 36V, which matches the corresponding motor you choose.
- 48V/17.5Ah battery and 750W/48V motor, the cycling mileage under pure electric bike mode per full charging is 45 to 55 (km), and under pedal assisted mode is 90 to 110 (km);
- With 48V/13Ah Battery and 750W/48V motor, the cycling mileage under pure electric bike mode per full charging is 35 to 45 (km), and under pedal assisted mode is 70 to 90 (km);
- With 36V/21Ah Battery and 250W/36V motor, the cycling mileage under pure electric bike mode per full charging is 70 to 80 (km), and under pedal assisted mode is 140 to 160 (km);
- With 36V/17.4Ah Battery and 250W/36V motor, the cycling mileage under pure electric bike mode per full charging is 60 to 70 (km), and under pedal assisted mode is 120 to 140 (km);
- With 36V/15Ah Battery and 250W/36V motor, the cycling mileage under pure electric bike mode per full charging is 50 to 60 (km), and under pedal assisted mode is 100 to 120 (km).
Choose the Display
Varstrom provides UART protocols displays for Bafang BBS or BBSHD eBike conversion kits. Such as Bafang DP C18, DP C181, C961; Varstrom Touch 1, P860C, P850C, B750C, 500C, 800S, DM03. You can always find your favorite display and use it on the e-bike.
The most important is you can get an eBike for the price of a high-end motor kit. This may be the most cost effective way with most choices to get an electric bike on the market except modifying your own bike.
What are the parts?
So, let's talk about what is inside a Bafang mid drive motor kit package.
First there is a motor and a pack of screws for mounting. Then the display, Varstrom offers many displays as options. Then the battery it is. And then a waterproof 1T4 EB-Bus cable, the cable is used to connect the motor to the display, thumb throttle and eBrake levers. Then we'll have a chainwheel and cranks for this motor, and the chainwheel and cranks are customized to be used on the eBike conversion kits, you don’t need to use the chainwheel or cranks from your bike. The gear sensor will cut the power of the system when the rider shifts gears. Next is the eBrake levers or the eBreak sensor, if the customer wants to keep their own brake levers, you can choose the eBrake sensors. Then there is the speed sensor set for recording speed and mileage information for the system. There is also a thumb throttle for controlling the output of the motor.
At the same time, Varstrom offers some gift for our customers such as the 36V/250W sticker, bracket wrench, crank puller, XT60 connector cable for BBS01 or BBS02 or Anderson cable for BBSHD, headlight, gloves, cable ties, 73mm screws (for 73mm bracket) and the user manual.
Mid Drive Motor
250W 36/48V (68 to 73mm)
350W 36/48V (68 to 73mm)
750W 48V (68 to 73/100mm)
250W 48/52V (68 to 73/100/120mm)
Varstrom offers different displays for customers, and you can get an extra price discount ($10.00) by purchasing the meter along with the conversion kits.
Varstrom offer different batteries for customers, and you can get extra price discount ($20.00) by purchasing the battery along with the conversion kits.
Chain Wheel (Chainring)
Thickness: 3/32 (in)
Diameter: 5.98/7.1/7.5/7.8/8.5 (in)
Offset: 0/0.236/0.267/0.248/0.213 (in)
Diameter: 5.98/6.69/7.2/7.2/7.5 (in)
Offset: 0.279/0.480/0.370/0.370/0.728 (in)
Support 7/8/9/10 Flywheels
Length: 8.07 (in)
Compatible with Bafang mid drive kits. The cranks are used to replace the original cranks of the bike.
Shift sensor is used to cut the power of the motor when the rider is shifting gears, which can make the gear shifting smoother or quiet.
Mechanical eBrake Levers
Varstrom eBrake levers have built-in motor brake wires, it is used to replace your original mechanical eBrake Levers. EBrake levers connect to the 1T4 EB-Bus cable.
If you want to keep your Hydraulic levers or mechanical levers, you can choose this eBrake sensor to convert the original brake levers. The EBrake sensor connects to the 1T4 EB-Bus cable.
Speed Sensor Set
Speed sensor is used to record real-time speed and mileage information of the trip. Speed sensor connects to the motor.
The motor has a built-in automatic pedal assistant system (PAS), while you can also use the thumb throttle to control the forward movement of the eBike.
Varstrom provide a headlight as a gift for the eBike conversion kits connect to the motor.
Bafang eBike conversion kits installation.
Global one-stop e-bike conversion service for Bafang eBike Kits
Since 2018, Varstrom has been a Bafang partner brand. Over the last four years Varstrom has built very close relationships with our customers all over the world and Varstrom has set up warehouses and repair centers for complete e-bike conversion kits in many regions of the world. As soon as your complete e-bike conversion system is realized at Varstrom, you can get faster shipping from the warehouse and support from all these after-sales centers.
Shipping & Repairing
Varstrom and Bafang established very close cooperation. To provide Delivered Duty Paid (DDP) Product, we also established a lot of warehouse around the word to make sure that all the customer will get their package without extra tax fees and as soon as possible. Also we work with local bike stores to provide repairing service. You can get one-year guarantee and lifetime warranty from these bike stores.
Varstrom eBike Conversion Service
- BAFANG BBS01B 250W/36V
- BAFANG BBS01B 250W/48V
- BAFANG BBS01B 350W/36V
- BAFANG BBS01B 350W/48V
- BAFANG BBS02B 500W/36V
- BAFANG BBS02B 500W/48V
- BAFANG BBS02B 750W/48V
- BAFANG BBSHD 1000W/48V
- BAFANG BBSHD 1000W/52V
Varstrom offers Bafang and Accolmile displays. We highly recommend customers to consider Accolmile meters because they have the same performance as Bafang's but the price is much cheaper, it helps you complete the ebike conversion with lower budget.
Greenway is one of Varstrom's battery suppliers, it is a leading company specializing in the battery design and manufacture. We have established a common goal to provide the safest, best performing and most cost effective eBike batteries for all those who use Bafang eBike motors.
If you don't know who is Greenway, you may know DURACELL and Energizer, they are top dry cell brand. And Greenway is their supplier.
DLG is the other one of Varstrom's battery suppliers. DLG provides customized green energy solutions based on core technology of battery cell manufacturing. DLG started E-BIKE project in 2007, 15 years of development has ensured the quality and safety of its eBike battery, which we can use their batteries with confidence.
DLG has latest equipment and latest technology, Varstrom develop its new battery with DLG for better, safer batteries for Bafang Drive Kits.