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250W Crank Motor Central Drive E Bike Conversion Kit Seat Post Lithium Battery

250W Crank Motor Central Drive E Bike Conversion Kit Seat Post Lithium Battery

  • Image 1
  • Image 2
  • Central Crank Drive Motor Installed, Speed Sensors Installed on Rear Wheel, LCD Screen Display and Hand Twist Throttle installed on Handle Bars
  • Cranks Drive Motor Comes With All Parts Listed - Everything Needed For Installation
  • Central Motor Unit Installed Through Bottom Bracket Close Up
  • Crank Motor Installed Chainwheel Close Up
  • Image 7


250W Crank Motor Central Drive E Bike Conversion Kit with Seat Post Lithium Battery


Crank Motor For More Torque Up Hills!

This Crank Motor Mid Drive kit fits through your Bottom Bracket crank pedalling assembley of your bicycle

The motor is designed to fit onto almost all bikes, with its unique universal mounting kit design.

This electric bike conversion kit includes a 36V 10AH Lithium Battery, which you can easily mount to your Seat Post of your bicycle.

Using a Crank Drive, your motor will actually drive your chain, so you can shift through your regular bicycle gears with power.

Which is a great benefit, giving your extra torque to get up a steep hill under power in low gear. Comes with a hand twist throttle, and PAS sensor, as well as LCD screen display.

Enjoy The Freedom Of Having Power At Your Finger Tips!


Please Note: This is a DIY Project. In this kit, we supply the parts needed to perform the e-bike conversion. Be prepared to get hands-on, get your hands dirty and get involved in the e bike community for tips & advice. Also, as every bike is different there is no standard instructions for performing the conversion.

Please Check: View the photo diagrams above to check if this crank will fit your bottom bracket. You need tools to remove your crank and bottom bracket.


This is a 250W Motor conversion kit featuring a Lithium Battery. We stock more conversion kits as well.


We can deliver to any area of Australia, all remote areas, small towns, major cities including Sydney, Perth, Adelaide, Melbourne, Brisbane, Newcastle, Canberra, Hobart, Gosford, Central Coast, and all areas.

What You Get In The Pack

orange-tick.jpg 250 Watt Crank Motor

orange-tick.jpg Seat Post Lithium Battery 36Volt 10Ah - Can Fit on Any Bike

orange-tick.jpg Hand Twist Throttle

orange-tick.jpg LCD Display Battery Power Indicator Gauge

orange-tick.jpg PAS Intelligent Pedal Assist Sensor

orange-tick.jpg Brake Levers with Saftey Motor Cut Out

orange-tick.jpg 240 Volt Plug In Charger



Our guarantee to you!


Your REEF electic bicycle is covered with a 3 Year Warranty on your frame and a 1 Year Warranty on all other parts including the battery, motor and the electrics. Reef Bikes are manufactured with only the best quality parts, so we are confident that your electric bicycle will have no problems during the warranty period. Reef Bikes has been producing high end electric bikes since 2005, an Australian brand name you can trust for years to come.


However, should you happen to have any problems whatsoever, we are serious about helping you through them. We provide dedicated after sales service at our REEF Service Centers.


Simply contact us with your warranty claim to get your E Bike repaired under warranty. Click to read our Warranty Policy.

Got a question? We're here to help. Send us an email


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