Tongsheng TSDZ2 Mid Drive Motor E-bike Conversion Kit

89% of 100
In stock
Shipping cost around: 66$ to 136$ delivery to United States
  • The battery is not included in the kit, please go to order one first if you need it to avoid the shipping limit of the battery. 
  • TSDZ2 mid drive motor conversion kit with a torque sensor.
  • Suitable for bikes with 68mm or 73mm Bottom bracket.
  • Delivery: 36V kits will be shipped out in 7 days, 48V will be shipped out in 20 days.
  • Free Duty to EU, UK, USA, AU.

Download the TSDZ2 Mid Motor installation manual.

Download the   LCD-5 display manual

Download the   XH-18 display manual.

Why choose the little motor- TSDZ2 Mid drive motor?

  • Supports up to 58.6V (48V mid motor) input voltage. 
  • Fits 95% of standard bike frames with 68-73mm bottom bracket built in torque and cadence sensor- this results in much smoother acceleration than any cadence sensored mid motor.
  • Easy to install. Kit includes all installation parts and tools.
  • The motor has an extra support mount - resulting in a much more reliable install.
  • No throttle - this system is a pure pedelec; motivating you to pedal harder and go farther.
  • 80Nm of torque is almost twice as much as a hub motor and can help you climb up any hill in your way.

TSD2 Mid-drive System assembly process

1. Motor installation

Step 1: the motor shaft sleeve in the direction of the arrow push bike five-tube length of 68mm five-pass pipe, the length of the sleeve is exposed to 11mm, as shown in Pic1.

Tongsheng-TSDZ2-mid motor kit


Step 2: Install the reinforcing plate. See the Pic2.
1. the reinforcing plate set in the five-axis
2. two aluminum washers placed between the reinforcing plate and motor home
3. with two socket head cap screws M5 × 16 will strengthen the locking plate and motor home

Tongsheng-TSDZ2-mid motor ebike kit


Step 3: M33.5 nut screwed onto the sleeve axis, with a special tool to tighten the locking force of 40N · m.See the Pic3.

Tongsheng-TSDZ2-mid motor ebike kitTongsheng-TSDZ2-mid motor 250w 350w ebike kit


Step 4: fixing the motor and the frame. See the Pic4.
1. M8 * 40 screw connections fixed block and motorhome body stud hole preload.
2. with the ball screw M8 * 45 screw holes through the fixing plate fixed on the block with the fixed locking.

Tongsheng-TSDZ2-mid motor ebike kitTongsheng-TSDZ2-mid motor 500w ebike kit


Step 5: 40N · m of force tighten M8 * 40 screws (final lock). See the Pic5

Tongsheng-TSDZ2-mid motor ebike kitTongsheng-TSDZ2-mid motor 500w ebike kit


Step 6: Install cranks. See the Pic6.
Install left and right crank with M8 × 14 hexagon screw locking torque is 40N · m.

Tongsheng-TSDZ2-mid motor ebike kit


2. Meter Installation

Step 1: Install the instrument. See the Pic7.
With two M4 × 14 hexagon socket head screws and two M4 nuts square meters is fixed at a position shown in the Pic7.
Bracket Specifications: φ32, there are adjustment ring.

Tongsheng-TSDZ2-mid motor ebike kit


The second step, the left-hand operation switches installed. See the Pic8.
With two M2.5 × 10 hexagon socket head cap screws at the position illustrated operation switch fixed

Tongsheng-TSDZ2-mid motor ebike kit

Choose a lithium battery?

We have many different kinds of lithium batteries for your choice, here list some popular batteries for your reference.

electric bike li ion battery with USBebike bottle battery lithium 18650 battery36V lithium battery

What is the battery connector?

It is default No.3 connector.  electric bike lithium battery connector

More Information
Voltage 36V or 48V
Wattage 250W or 350W
motor type Mid drive motor
Controller Build in drive system
Throttle No
PAS Torque sensor
Water-proof/ IP IP54
Display VLCD-5 or XH-18
Part Name Qty
1 TSDZ2 Mid Motor (with integrated controller and torque sensor) 1 pc
2 LCD display 1 pc
3 Electric brake lever 1 pair
4 Chain wheel 1 set
5 Crank arm 1 pair
6 Speed sensor and magnets 1 set
7 4-to-1 cables 1 pc
8 Nuts and washers 1 set
9 Securing block 1 set

About shipment ( Important! )

Please read the following terms before placing an order.

The time showed in the " Shipping Method" means the transport time, not including the handling time which takes 1-7 days usually.

All the packages are shipped without the tarriff or VAT ( except the batteris or electric bike conversion kits)

1. Battery/ Products with battery

Handling time: 3-7 days
Thanks for purchasing our product.
The battery is a special product which needs several cycle tests before delivery, so production and test time need about 3-7 days.

Due to the express shipping regulation of express company for the risky item like the battery, we ship the battery separately from other goods and via special air method to the destination country, then to your door via UPS, FedEx, or some other express company.

Noted! Handling time of E-bike or electric bike kits please check on their product page.


Shipping time

Customs Tax

European Union 

( not include the Colony or dependency islands)

18-35 days ( the UPS or DPD or other Logistics companies could pick it up after completing the customs clearance,  it may take 10-25 days before picking up)


(Delivered Duty Paid for the following countries:

Germany, France, Belgium, Luxembourg, Netherlands,
Denmark, Italy, Czech Republic, Poland,
Austria, Spain, Ireland, Portugal, Sweden)

DDU ( Other countries in European)


 18-35 days

DDP(Delivered Duty Paid)


18-35 days

DDP(Delivered Duty Paid)


 18-35 days 18-35 days ( the UPS or FedEx or other Logistics companies could pick it up after completing the customs clearance,  it may take 10-25 days before picking up)


Service area not included

PO BOX; affiliated islands, remote areas: 006-009;  PUERTO RICO AND VIRGIN ISLANDS; 966-969 HAWAII AND GUAM;995-999 ALASKA,  etc. Customers from these areas please contact us to confirm the cost.


18-35 days

DDU(Delivered Duty unPaid)

Service area not included:

P.O.BOX, military address, Northwest, Territories, Nunavut, Yukon, customers from these areas please contact us first to confirm the cost.

South Africa

18-35 days

DDP(Delivered Duty Paid)

Australia, New Zealand

18-35 days

DDU(Delivered Duty Unpaid)
NO tax declare value;AU < AUD1000; NZ<USD300

Malaysia, Thailand

15-30 days

DDU(Delivered Duty Unpaid)


15-30 days

DDU(Delivered Duty Unpaid)


15-30 days

DDU(Delivered Duty Unpaid)


 15-30 days

 DDP(Delivered Duty Paid)

Service area not included
Hokkaido; Okinawa; Fukushima, Radiation Control Area.

We only ship battery/ products with battery to the above countries at present. But we will try our best to add channels to more countries in the future.




2. Other products

Handling time

3-7 days

You can choose the shipping way when you checkout and see the shipping items.

 Please note: VAT, tarriff or taxes or duty or charges are not included in the item price or postage cost. These charges are the buyer's responsibility.

Usually, we will declare a reasonable minimum value to save your customs tax. But due to the different policies in different countries, the customs may ask you to pay the tax.

Ship via ChinaPost

10-30 days

Express company

5-10 days


We understand the importance of the right product and the right fit, we sincerely want you to love your items. To make a return, please follow these guidelines:


Defective item

If an item is defective when you receive it, it will need to be returned to us for a full inspection to ensure it is covered by the warranty. To return a faulty item please follow the procedure below:

To qualify for a return:

Returns will be accepted within 15 days after you receive the product. 

The item(s) must be in new with original packaging.

The damaged item even following the regular operation.

Proof of defective item required.


Items not acceptable by return:

The item was not purchased from ELECYCLES.

The item is unclean.

The item was damaged by improper use or damaged in an accident.


Once the product has been returned to us and has been ascertained as complete and undamaged (including the “original sealed” product box including its original packing materials) your purchase price, and original shipping will be refunded to you. We do not refund any applicable tax. Note that if the product is defective through no fault of your own, you may either request a repair or an exchange.


All returns:

Refunds, including original shipping, will be refunded to the credit card account/ corresponding account used for purchase within 30 days after the return is received. A refund will be applied to the original card used in the transaction.

If an item is returned that does not meet the above criteria, the return will be declined and the item returned to you.


Please noted

1. For the electric bikes or ebike kits or the electric wheelchair or the electric handcycle, shipping fees to return the items are at the customer's own expense.

2. Please consult your local post office to confirm the actual return shipping fee. We advise you use the cheapest registered airmail method that is available.


Wrong item

If we have accidentally sent you the wrong item, you do as below.

A. If the wrong item is acceptable, you could ask for a special offer for this item, the difference would be refunded to your account.

B. You could request the return. The purchase price and original shipping will be refunded.

C. Please contact us if you have any other query or request.


Unwanted item / no faulty

If you have changed your mind on your purchase, please contact us.


If you have any questions regarding your purchase or its warranty, please chat with us one line or email to [email protected].

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