This kit comes with everything you need to convert your bicycle to an E-bike.Here's the packing list:

1. 1 x Motorized wheel  

2. 1 x HAILONG battery

3. 1 x Controller + Charger

4. 2 x Power cut-off Brake lever / sensor

5. 1 x Thumb/Twist Throttle

6. 1 x Display (optional)

7. 1 x PAS Sensor

Kindly leave comments in this format when place an order(without comments we regard as all defaul):

1. Wheel size:   20" / 22" / 24" / 26"(default)/ 27.5"/ 700C                                

2. Brake:  a.lever(default) / b.sensor                                                                                 

3. Throttle:  a.Thumb(default) / b.Twist                                                                             

4. PAS:  a.V12L(default)  /  B.BZ-4  /  c.BZ-10C  /  d.D12L

This kit includes 2A charger, If you need to upgrade 4A fast 

charger, please order the following button to pay the price 

difference: 

There are 4 options

1.V12L(default)

2.BZ-4

3.BZ-10C

4.D-12L

There are 2 options 

1. Power cut-off brake lever(default)

2. Power cut-off brake sensor

There are 2 options when you choose set with display

1. Thumb throttle(default)

2. Half twist throttle

There are 2 options when you choose set without display

1. Thumb throttle with on/off switch(default)

2. Twist throttle with on/off power lock