Surface 604 Yunbike C1 - Electric Bike Commuter | Electric Bike Revolution

Surface 604 Yunbike C1 - Electric Bike Commuter

Surface 604: Electric Bike

Your Price:
$999.00 You save: $250.00 (25.03%) $749.00

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Surface 604 Yunbike C1 - Electric Bike Commuter 

1. Agile Urban Commuter

The Yunbike C1 has been specifically designed and built for the modern city cyclist. The aluminum frame and lithium ion battery mean that unlike its heavier counterparts, the C1 weighs just 35lbs; perfect for carrying in and out of the apartment and heading off to work.

2. Smart System with Mobile App

Through a built-in smart system that communicates directly with an app on your mobile device, tracking your speed, distance ridden, and battery life is at your fingertips. The handlebar display and throttle also contains a USB port that charges your mobile device as you pedal to your destination.

3. Removable Battery Pack with Power Bank

The removable battery includes a convenient USB power bank with enough energy for 22 individual device charges.

4. Discrete Battery Placement and Integrated LED Lighting System

The discrete placement of the battery at the rear keeps the design sleek and stylish, as well as providing a built-in rear light. Paired with a powerful front light, the integrated LED system means you’re set for riding into the night.

5. Classic and Step-Through Frame Designs in Funky Colors

The Yunbike C1 electric commuter bike is available in both classic and step-through frame designs built to appeal to any type of rider. The step-through bikes come in three colors: bright red, mint green and white with pink trim. The classic bikes are available in one color – metallic graphite.

6. Accessories – Racks and Fenders

For many of us, urban commuting means riding in inclement weather and carrying gear. We’ve designed custom aluminum racks and fenders allowing you to commute comfortably in all conditions.



Drive System- Yunbike rear-mounted gearless direct drive hub

Motor- 180W+ (peaks at 250W)

Battery- 36V 5.2Ah / 187Wh Samsung Lithium Ion

Charge Time- 2.5 hours for a full charge from empty

Battery Life- Up to 20mi (32km) depending on mode

Weight Including Battery- 35lbs (16kg)

Battery Weight- 2.6lbs (1.2kg)

Frame Types- Classic and Step-Through

Frame Material- 6061 aluminum alloy

Frame Colors

Classic: graphite
Step-Through: mint, red and white

Fork- Rigid aluminum

Pedals- Aluminum alloy platform

Display Type- Fixed, backlit LCD display with built-in USB port

Drive Mode- Torque sensing pedal assist with integrated gyrometer and a throttle

Top Speed- 15.5mph (25km/h)

Brakes- V-Brakes

Handlebar- Flat, 570mm

Grips- Ergonomic rubber with lockers

Saddle- Velo, ergonomic

Seatpost- Aluminum alloy post

Seatpost Length- 350mm

Tires- 20″ x 1-1/8″ Kenda

Accessories- Racks, fenders and chain guard


Frame Size


TTH.     Top Tube Length                           53.9 cm            

HTA.     Head Tube Angle (degrees)             72                  

HTL.     Head Tube Length                         21.9 cm           

STA.     Seat Tube Angle (degrees)              73                   

STL.     Seat Tube Length                          50.2 cm         

CSL.     Chainstay Length                          41.3 cm          

WB.      Wheel Base                                 99.9 cm         

Order Confirmation:

Immediately after placing an order online, you will receive an email confirming the details of your order.

Should the item purchased be unavailable, not in stock or have a longer than usual lead time, a member of our team will reach out via phone or e-mail to find a probable solution.

Order Shipment:

A tracking number will be emailed as soon as the order is ready for shipping.

If you do not receive tracking information from us within six business days of your order, please follow up with us at

Alaska and Hawaii:

Please note, if you live outside the continental USA please call us or write us to get a free quote, additional charges may apply to your shipment.

Damaged Shipment:

Please inspect the packaging of your item(s) upon arrival and make note of it when signing for delivery. If your item(s) arrived damaged, please send photos to and we will process an exchange for the same item or return.

Cancellations & Refunds:

Order cancellations must be received within 24 hours of placing an order. If your order has shipped, you (the buyer) will also be responsible for the return shipping charges.


***Please check our warranty page for manufacturer specific return policies before reading our general return policy below.***

No returns will be accepted if used or not in original packaging and new condition.

Please contact us first before returning any items. We accept returns if it meets the following requirements:

  • Return must be initiated within 14 days of original order date.
  • Must provide proof of purchase from
  • Must be brand new, never been used
  • Original packaging and all items originally included by the manufacturer (including all manuals, accessories and other included or bonus items).
  • Returns are subject to a 20% restocking fee. 
  • Buyer pays for return shipping.


    If you have any issues with your product, please send an email to our customer support team at and we will assist you in filing a warranty claim with the manufacturer of your electric bike, part, or accessory.

    Please note, if you're simply unhappy with your bike and don't see the manufacturers return policy below or in the product description, please contact us directly and we will help you find a solution.

    Manufacturers warranty and return policy:

    Whether you are a new customer or a returning one; our mission is to not only offer you the best-in-class service but also the best prices online.

    Should you find a lower price from another online-only dealer, we will refund you the difference within 30 days of the purchase date. Tell us which competitor is offering the lower price; we will verify the price and process your refund.

    If our own price is reduced, present us with your original receipt within six months of purchase and we will refund the difference.

    Here are some terms and conditions:

    • The item must be of the same brand and model.
    • The item must be new and factory sealed.
    • Competitors’ prices must be in US dollars and will be adjusted for any fees, taxes or other charges such as environmental handling fees and shipping.

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