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Electric Bike DIY KIT - convert your 26" Rear 9 Speed mountain bike to E-Bike

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Your bike must meet the following specifications, please read carefully otherwise we don't refund the round-trip shipping fee.

- 26" rear wheel with 9 sprocket cassette/Freewheel. (This KIT offers 9 sprocket cassette. If your bike has 8 speeds, just leave the last sproket unused).

- Water bottle location ready on the frame, for the battery (29 L x8x8 cm)

- The clear distance between the rear fork and the brake disc is about 11 ~ 13mm. Please check if your disc brake pads' position is suitable. Or you can use V brake.

- The clear distance required between two of your rear wheel forks is approxi. 135mm. 

- The narrow part of the KIT rear rim axle is approx. 11mm, make sure it can be put into your rear wheel forks.

This DIY Kit contains eight parts:

Part 1: 26" Rear Wheel including Rear Rim, Spoke, 9 sprocket cassette and built-in 36Vdc/250W brushless geared Motor. 

Part 2: LCD Display and mode control

Part 3: Battery Holder and built-in E-Bike Controller

Part 4: 36V/5.2Ah Lithium Battery (20 x 2600mAh Samsung or Panasonic Battery cells inside.)

Part 5: Battery Charger

Part 6: Bright LED Bike Light

Part 7: 1 Extension Cable

Part 8: E-Bike Dual Hall Power-Assist Sensor

- Brand Name: LangTu (We are exclusive agent) 

- Modes: 

   Normal push bike mode when the electric system is off; 

   Electric assistant mode: the system automatically provide motor power assistant when pedalling, stop motor when stop pedalling, adjust the power assistance 

   according to the paddling force/speed and mode. User can select five modes on the LCD Display/mode controller: Mode 1 offers the lowest power and longest battery time, Mode 5 

   offers the highest power and shortest battery time. Mode 0 and holding the "Down" button offers "pushing" power to drive your bike at 6km/h max, to help walking rider to push bike 



- Range: 40 ~ 50 km at mode 1 ~ 3 (depend on road & load) 

12 months return to base warranty but does not include normal wear/tear and fault caused by improper use. We will take reasonable steps to fix the problem before offering replacement. Defective goods must be reported by email in 5 days after delivery. If goods are defective we will supply you a replacement on the return of the defective goods at buyers cost. 


Stocks are available for pickup at: 

Auckland Depot and Tauranga Depot. 

Combined shipping available! 


Please just click the "Combined Shipping, enquiry for combined shipping fee" option in checkout page, our customers service staff will inform you of the combined delivery fee as soon as possible.

We convert our bike you bought at $50


In stock
Price: $743.56  inc GST

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