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Quick Details

  • Wattage: > 500w
  • Voltage: 48V
  • Power Supply: Lithium Battery
  • Wheel Size: 26“
  • Motor: Brushless
  • Certification: CE & EN15194
  • Frame Material: Aluminum Alloy
  • Foldable: No
  • Max Speed: 30-50km/h
  • Range per Power: 31 - 60 km
  • Place of Origin: Jiangsu, China (Mainland)
  • Brand Name: BISEK
  • Model Number: BSKSO4
  • PAS: 1:1 Intellgent Pedal Assistant System
  • Display: LCD Display
  • Controller: 48V 20.4Ah intelligent brushless
  • Charge time: 4-6 hours
  • Charger: AC 100V-240V, 2Amps smart charger
  • Max load: 100KGS
  • Derailleur: SHIMANO 7-speed(Tourney)
  • N.W: 25.8kg (including battery)
  • G.W: 30.8kg (including package)
  • Loading capacity: 80pcs/20ft,182pcs/40HQ

Packaging & Delivery

Packaging Details One piece per seaworthy carton, with foam and pallet protected.
Delivery Time Shipped in 20 days after payment


2017 most popular fat tire mountain electric bike

250w/350w/500w/750w BAFANG rear-driving motor optional

Samsung lithium battery

All componnets branded

Lowest price US$550

OEM service


Frame:6061 Alloy
Motor:Light weight high speed brushless,48v 500w/750w 
Bttery: 48V 10.4AH/13AH/15.6AH Samsung Li-ion
Charger:AC 100V-240V,2Amps smart charger
Charging time:4-6hours
Front fork:Alloy suspension ZOOM brand
Wheel: Steel 44T,alloy crank
Front brake:DISC brake Tektro brand
Rear brake:DISC brake Tektro brand
Derailleur: SHIMANO 7 speed
PAS: 1:1 pedal assistant system
Loading: 120KGS
Range: 40-45km with full electric(48V 10.4AH Li-ion)
Speed: 25km/h(EU)
Speed gear: SHIMANO outer 7 speed gear



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One pc per seaworthy carton.

We will make a pallet and fill in foam to ensure your bikes safety during shipping.



We can ship the ebikes to you by air or by sea.

For one piece, we suggest ship it by air or express. So you can receive your ebikes sooner and more conveniently.

For large order, we suggest ship it by sea. So you can save a lot shipping freight loss.

We can also accept DDU if you are not familiar with the customs clearance. Bisek will try best to serve you!


My Card


Contact Person: Rex

Email: rex at bisek.cn

Skype: rextsou

WhatsAPP: 0086-186-6115-2693



1.What's the advantage of electric bike?


You can not only ride it as ordinary bike but also choose battery powered mode when you get tired, and you don't need to get a license and pay extra fees such as parking fee.


2.Can I order some samples at first to see the quality?


No problem, sample order are welcome to quality test, if <10pcs,needs extra $150 sample fee and it will be returned in next order.


3.Can you deliver samples by sea or air?


Both are available. You can inform us your destination port firstly, then I will help you check the shipping cost and suggest suitable delivery way to you.


4.Can you change components for me?


Surely, our tenet is "Quality first, customer first". We must modify it at your requests with the technical support.


5.What's your payment term?


We usually accept T/T as the main payment terms, and other payment can also be negotiated. Batch order is 30% TT in advance, sample order is 100%TT.


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China (Mainland) | Manufacturer, Trading Company
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The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $55,000
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