Big Nine 100 20ah 48v750w Mid Drive Electric Bike


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Ours are the best value for money ebikes currently available. Nothing comes close in performance and quality at this price

Includes latest DPC-18 colour display as standard!

  • 48v750w Mid Drive Motor
  • High quality lithium ion battery
  • LCD Display
  • Hydraulic disc brakes
  • Lifetime warranty on frame
  • 12 month warranty on motor and battery
  • Silent, cannot hear the motor but can definitely feel its power
  • Excellent after sales support

Stylish mountain bike, great fun for trail riding and commuting 

  • Top Speed: 45km/h +
  • Range: 100km+
  • Top speed and range is dependent on rider, riding style and conditions, the above is a rough indication. Faster top speeds and further distances can be achieved by using your legs more. Throttle only at high power without pedaling and the range will be substantially less

Benefits of a mid drive motor compared to the cheaper hub motor

  • Mid Drive motors use the bikes gears as the engines transmission so the motor can run at the optimum RPM range
  • More efficient
  • Better performance
  • Better at climbing hills
  • Better handling
  • Better weight distribution as motor is positioned close to the center of gravity and low to the ground
  • Easier maintenance

Bafang Mid Drive 48v750w includes

  • Thumb throttle
  • Gear Sensor
  • Speed display
  • Battery life Indicator
  • 9 Levels of pedal assist, plus throttle only option
  • Range Indicator: Odometer, trip distance and riding time
  • Adjustable backlight
  • Password protected to amend important settings
  • Adjustable speed limiter
  • Kilometer/Mile: Can be changed to suit

All our high quality batteries include the following

  • Charger
  • Built in charger management system that prevents over charging
  • Built in battery management system that prevents over discharging
  • Each cell in every battery goes through a strict testing process for capacity, voltage, and internal resistance
  • Keys with locking mechanism
  • For further detailed information on each battery refer to the battery section of our website

Extra Information

  • Warranty excludes misuse or abuse
  • This ebike is water resistant, not water proof. Rain and puddles are no problem, but do not fully submerge it under water
  • Assembled in Australia
  • If there's a particular bike, battery and motor combination you want that is not listed, please contact us and we'll build it for you
  • Please be aware of legal requirements in your state when purchasing this bike. Off road use only.

Bike Specs

  • FRAME-Big 9 TFS BC-S
  • SIZE-M, L, XL, XXL
  • FORK-SR 29 XCM HLO 100
  • 0B-LEVER-Shimano M315
  • BRAKES-Shimano M315
  • FRONT ROTOR-Shimano 180mm RT10-cen.
  • REAR ROTOR-Shimano 160mm RT10-cen.
  • DERAILLEUR REAR-Shimano Alivio
  • CASSETTE-Shimano CS-HG200-9 11-34
  • PEDAL-VP, VPE-891
  • GRIP-MERIDA Screw on-Single
  • HANDLEBAR-MERIDA Expert CC 720 R10
  • HANDLEBAR STEM-Merida Comp 31.8 7
  • HEAD SET-Merida M2345
  • FRONT HUB-Shimano Centerlock
  • REAR HUB-Shimano Centerlock
  • REAR AXLE-Merida Big Nine comp CC
  • SADDLE-Merida Sport
  • SEAT POST-MERIDA comp SB0 30.9mm
  • REAR SHIFTER-Shimano Altus SL-M2000
  • SPOKE-Black stainless
  • INNER TUBE-Ultralite-29
  • TYRES-Maxxis Ikon 29er 2.2 fold
  • Electric Bike Weight: Approximately 23kg (including battery and motor)

 *Also available in 27.5inch tyres, contact us!

All our electric bikes are made to order with love, please allow approximately 5 business days to build, test, pack and send. We are working hard to get great quality bikes out to you as quickly as possible. 

  • 48v26.4ah Battery
  • 48v20ah Triangle
  • Lekkie Bling Ring 46T BBS01B/BBS02B
  • Night Glow 1000 Lumens USB Charge Head Light
  • Night Hawk Front Light USB Charger
  • Night Hawk Rear USB Charge Light Back
  • Night Owl USB Charger Light Set Package
  • Small LED Light Set