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Save 5% on most orders Use Code 5OFFSALE
Save 5% on most orders Use Code 5OFFSALE

GREENBIKE ELECTRIC MOTION 48 V/15 Ah/750 W Fat Tire Electric Folding Bike Big Dog Off Road 2021 Edition HF20C FS

Sold out
Original price $2,300.00
Original price $2,300.00 - Original price $2,600.00
Original price $2,300.00
Current price $1,999.00
$1,999.00 - $2,299.00
Current price $1,999.00
  • Free Shipping on this Order!
  • No Sales Tax Outside WY
  • Ships From US Warehouse
  • Upgraded in 2021
  • We are Veteran Owned!
  • 1 Free Smart Phone Holder with an Ebike Purchase
Color: Black / Orange (Silver Logo) 15 Ah

 So why the Big Dog Off-Road?

  • One of our newest fat bike designs, The Big Dog Off-Road is uninhibited power!
  • Equipped with a 48V Lithium-Ion  battery
  • Hydraulic disk brakes, attention-grabbing design, and of course those tires!
  • INNOVA Tires 20″ x 4.0″ front and rear

2021 Upgrades:

  • Self-balance lithium-ion battery
  • New Israeli technology and upgraded controller
  • New fat tires flat-resistant technology
Suggested Use: Urban, Trail, Beach.
Warranty: 1 Year
Model Year: 2021

Electronic Details:

Motor: 8Fun Rear-Mounted Geared Hub 750 Watt Nominal
Battery: Cells made by BOSTON POWER USA – 48 volts 16 Ah (736 Wh) – (Li-ion)
Estimated Charge Time / Estimated Range: 5-6 hours / 25 to 50 miles
Display Type: LCD-S900 E-bike Intelligent Display
Readouts: Battery Level, Speed, Assist Level, Odometer, Trip Distance.
Drive Modes: Speed Sensor Pedal Assist, Thumb Throttle.

Bicycle Details:

Total Weight/ Battery Weight: 61 lbs. / 9 lbs.
Frame: High Step, Folding
Frame Material: 6061 Aluminum Alloy
Frame Fork: Mozo USA Suspension with 140 mm Travel.
Gearing Details: 6 speed made by Shimano
Cranks: 170 mm Length, 28-33-42T
Stem: Adjustable Height
Brakes: Green Bike Electric Motion Hydraulic disc brakes with 160 mm rotors
Grips / Saddle: Wide saddle with backlight
Seat Post Diameter: 27.2 mm
Tires: Innova, 20″ x 4.0″
Suspension: Dual suspension, front 140 mm travel Mozo USA and rear Taiwan kind shock A5 RE


Colors white, white/red, white/silver, black/orange, black/silver, black/gold
2021 Upgrades
  • Self-balance lithium-ion battery
  • New Israeli technology and upgraded controller
  • New fat tires flat-resistant technology
Estimated charge time/Range 5hrs / 25 to 50 miles range
Weight 61 lbs.
Load 300 lbs.
Folds up? Yes
Warranty One Year
Accessories Battery operated bright LED front and rear lights



Wheel Size 20′ X 4′
Frame style High Step Frame
Frame Material Aluminum alloy
Drive Modes Cadence Sensing Pedal Assist, Thumb Throttle.
Folding? Yes
Brakes Green Bike Electric Motion’s hydraulic disk brakes



Motor Watts 750 Watt Nominal

rear-mounted gear hub

(1000 W peak)

Battery Volts 48 Volt
Battery Amperes 15 Ah
Battery Manufacturer Boston Power USA (lithium-ion battery)
Removable Battery Yes
Charge Time 5-6 hours

Our return policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange.

There will be a 15% restocking fee deducted from your return.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

To complete your return, we require a receipt or proof of purchase.
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item.
Once you are approved, your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a 5 - 10 business days.

You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund. If your order has shipped, you (the buyer) will also be subject to a  $100 cancellation fee and responsible for actual shipping charges plus the initial cost to ship the item.

Our warranty includes 18 months on motor & battery, 12 months for controller and charger.This warranty is void in its entirety by any modification of the frame, fork, or components. This warranty is expressly limited to the repair or replacement of a defective item, and said repair or replacement is the sole remedy of the warranty. This warranty extends from the date of purchase, is offered only to the original retail purchaser, and is not transferable. This warranty applies only to Green Bike bicycles purchased through an authorized dealer or distributor.

Tires, spokes, brakes, rims and other mechanical components of the bicycle Normal wear and tear
Improper assembly
Improper follow-up maintenance
Installation of components, parts, or accessories not originally intended for or compatible with the bicycle as sold
Damage or failure due to accident, misuse, abuse, or neglect
Labor charges for part replacement or changeover
Bikes used for commercial activities, including those in rental, demo, or security fleets

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