Home e-bike kits 4KW coaxial mid-motor
4kw Coaxial electric fat bike Top speed 70km/h We give one year warranty with battery , motor, controller, throttle.
Big Boy fat electric Bicycle Spec. and cost list:

Coaxial Motor :  250~4KWMax, 22/32/42T with crank , 24~72V ----cost 380USD
Controller: Cyclone Build-in battery case 30A or Bluetooth programable 40A------cost 100USD
Frame:For safety we use pure Cr-mo steel light weight for heavy load and high speed use, cost more then alloy 6016----599USD
Fork: Fat tir fork , Travel 60mm------120USD
shock: King shock, Travel 170mm------15USD
F/R hub: 135mm/ 175mm ------110USD
Freewheel : 12~32T 9 speeds-----33.9USD
650W Battery: Samsung 8C , 22.5ah 24V or 15ah 36V or 12.5ah 48V or 7.5Ah 72V ------580USD
1300W Battery: Samsung 8C , 42.5ah 24V or 30ah 36V or 22.5ah 48V or 15Ah 72V----1095USD
Charger : 2.5a 24V or 36V or 48V or 72V
F/Derailleur: Shimano M4000-----17.99USD
R/Derailleur: Shimano M370--- 23.95USD
F/R Shift Lever: Shimano M370-----24.99USD
Tires: 26x4"-----90USD
F/R Brake Lever: TEKTRO e-brake  4 piston W/ 203mm Disc HD-e715-----279USD
Handlebar with stem -----18USD
Seat with tube -----65USD
Chain: YBN 9 speeds chain-----15USD
Assemble cost------75USD
Come with 250 Lumen LDE headlight with Hooter(120db) and LED back Light

Elite with 650W battery cost 2510USD not including shipping , Now only cost 1999USD

Elite with 1300W battery cost 2981USD not including shipping , Now only cost 2489USD

Shipping to Austraila, New Zealand U.S.A. and Canada cost 650USD, shipping to Europe 635USD

2689USD 24~72V Big boy fat e-bike with 4kw Coaxial mid motor 9 speeds, with 19.2 ah 72V panasonic with Smart BMS 2.5A 72V charger Bluetooth programable controller Top speed 70km/h In Stock, ship in 5 days

2599USD 24~72V Big boy fat e-bike with 4kw Coaxial mid motor 9 speeds, with 16ah 48V Panasonic 2.5A 72V charger Bluetooth programbale controller Top speed 55km/h In Stock, ship in 5 days

Store Policies

CYCLONE e bikes offers the following Warranty and Returns Policy:


We guarantee Motors, purchased from us with a 12 months warranty against defects in quality. Batteries with BMS, Chargers, gear box and throttle have no warranty against defects in quality, . All products are checked for quality before being shipped out.

If you purchased any items which appear to have a problem, please contact us. In most cases we are able to sort out the problem by providing technical support, without your sending anything back. If we cannot resolve the problem by email we will provide you detailed instructions on how to return the item for repair or replacement only. Please do not return anything without first contacting us to obtain authorization. Shipping fees are not refundable.

Any special order or discounted order are no warranty, the buyer need to pay full amount to receive the warranty

7 days return or exchange

Returns or exchanges will only be accepted for defective or damaged products upon shipment and must be authorized by us before the product(s) is returned. We will replace, refund, or credit your account for a returned product(s) at our discretion. Shipping & handling fees are NOT REFUNDABLE. For any exchange or refund, we need the receipt or a record of the purchase in our system, and the product must be in its original condition, including the box, packaging, & accessories.

All our Coaxial frame kit, e-bikes and parts' lead time 3~5 days, usually send in 5 business days

We give 6 months limited warranty on our battery packs

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