For a more effortless and secure experience on our site, please consider updating your browser

Electric Bike DIY Kit - convert your 26" 21 speeds mountain bike to electric mountain bike 2019


Ships within New Zealand
Click and collect or buy online


Loading Facebook Like button...


one set of Electric Bike DIY Kit for mountain bike with 26" rear wheel and 7 speeds freewheel

If you are familiar with bike assembling, and would like to convert your mountain bike to an electric one by yourself. Yes, this is the one you would like.
It is easy, reliable and more affordable!

We could convert your bike to electric bike at a flat rate of $100.
Or you can select one of our 26" 21 speeds mountain bikes , and we convert it to electric bike for you at an special installation fee of $50.

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

- 26" rear wheel with 7 sprocket freewheel. (This KIT offers 7 sprocket threaded freewheel, can be upgraded to 8 sprocket).
- water bottle location ready on the downtube of 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, 7 sproket Freewheel 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 LG Battery cells inside.)
Part 5: Battery Charger
Part 6: Bright LED Bike Light
Part 7: 5 in 1 Extension Cable
Part 8: E-Bike Dual Hall Power-Assist Sensor

- Brand Name: LangTu (We are exclusive agent)

- Two 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 uphill.
- Range: 40 ~ 50 km at mode 1 ~ 3 (depended 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.

Keywords: Electric Bike convert kit, Electric bike DIY Kit.

Brand: Other
Type: Electric Conversion Kits
Wattage: 250W
Item condition: New
Availability: Click & Collect, Buy online
ID: 100073755


  • Convert 26" mountain bikes with 7 Speeds at rear wheel
  • 26" Rear Wheel with 7 speeds screw Freewheel and built-in brushless geared 36V/250W Motor
  • LCD Display and mode control
  • 36V/5.2Ah Lithium Battery (20 x 2600mAh LG Battery cells inside.)
  • May not be available at either Auckland or Tauranga Depot, please ask before pickup

Shipping policy

Please visit for details
Please note as the system does not support different delivery fees for different products shipping to different delivery areas, the flat rate may be not right. We have listed the shipping fee in the listings if it is different with flat rate. Please pay the listed shipping fee instead of the flat rate.

Goods will only be dispatched once the full payment (including the correct courier charge)
is received. If you do not receive your parcel within 5 Working days, please contact us and we will track your parcel.
We DO NOT deliver to PO Boxes.

View Store Policies

Click and collect policy

Please note not all products listed here are available at both of our Depots in Auckland and Tauranga, please ask before you come.
Green Eden try our best to update the stock information in time. We refund the money you paid if running out of stocks, Green Eden will not take any other responsibility.

Customers are welcome to pick up the goods at the following pickup depots and time:

Auckland Pickup Depot
- Address: unit D, 587 Mt Eden road, Mt Eden, Auckland
- Open Hours: 1pm – 6pm from Monday to Friday (excluding public holidays), other times by appointment.
- Contact Phones: (09)6368606 or 021668073.

Tauranga Pickup Depot
- Address: 1 Kauri Street, Gate Pa, Tauranga
- Contact phone: 021826628
- Open Hours: by appointment only

Please visit for details

Exchange, Returns, and Refunds Policy

Please visit for details
Return Policy:

- Goods can be exchanged or Credited within 3 days of delivery provided that they
are returned undamaged, unused and in their original packaging. Contact MUST be
made directly with Green Eden Online for approval prior to returning. Freight charges
are not refundable. We do not provide refunds for CHANGE OF MIND.

- Any Faulty and/or damaged products must be reported within 3 days of delivery;
we will immediately replace or repair the faulty/damaged item. Green Eden Online is
not liable for any claims made after that time frame. So please check the product
as soon as you receive it. IF you suspect your product has been damaged during
delivery please do not throw away the parcel or cover in which the product came
as Delivery Company will need to inspect it.

- If you received the wrong product, we apologies and you are more than welcome
to an exchange or refund. We will organize the return of the product and will send
you a replacement as soon as possible.

Electric Bike DIY Kit - convert your 26" 21 speeds mountain bike to electric mountain bike 2019


Ships within New Zealand
Click and collect or buy online


Loading Facebook Like button...