Cosmo X

  • 500 Watts Power
  • 15Ah Battery
View specs
Select color: Silver

Battery Capacity

$2,199 Sold out

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Free Shipping ($200+ value)

Free shipping on all e-bikes in the Continental U.S.

Professional In-Store Or Easy DIY Assembly

Choose between:
a) Delivery to your local authorized Magnum Dealer with in-store assembly (included);
b) Home delivery & DIY assembly (included); or
c) Home delivery with at-home assembly by a local bike mechanic (starting at $149).

Expert Service & Support

There are so many ways to get in touch with our Support Team! Chat, call, or drop us an email.

Warranty Protection Up To 5 Years

1-Year limited warranty (included), plus extended product protection plans available for 2, 3 and 5 years (starting at $210).

15-Day No Risk Returns

Ride your e-bike up to 10 miles on us. Don’t love it? Enjoy hassle-free returns within 15 days of delivery.

The Magnum Cosmo X

The Magnum Cosmo X is the top of range in our popular Cosmo series, featuring a light low step frame, a fully integrated battery and hydraulic disc brakes. The power system is 48 Volts running on a 500 Watt motor and a 15Ah battery for the range and power you need to run errands or go on a relaxing bike ride.


  • Category Touring
  • Class Can be configured to a Class 1, 2, or 3 E-Bike.
  • Frame Type Low-step
  • Seating Relaxed
  • Perfect For Paved / Light Trails / Recreation


Long-range (up to 50 miles) battery for the freedom and power to tackle longer rides.


50 miles (80 Kilometers) Max Range

7.5 Hours Charge Time


Easily mount and dismount with Low-step geometry.

Designed and built with the city and commuter cyclist in mind, the low-step frame design is a breeze to mount and dismount, and it comes in stylish colors with a sleek, integrated battery.

Component Overview

Motor Brand


Motor Type

Rear Hub-Drive

Motor Nominal Output

500 Watts

Motor Peak Output

750 Watts

Battery Brand

Samsung Cells

Battery Voltage

48 Volts

Battery Ah


Battery Wh


Battery Chemistry


Battery Charge Time (from empty)

7.5 Hours

Minimum Range

30 Miles (48 Kilometers)

Maximum Range

50 miles (80 Kilometers)

Display Type

Magnum Branded VeloFox, 8 x 7 cm. Display Screen, Backlit Monochrome LCD

Display Readouts

Battery Level, Assist Level, Current Speed, Power Output, Trip Distance, Odometer, Range, Trip Time

Display Accessories

Drive Mode

Cadence Sensing Pedal Assist, Trigger Throttle, Walk Mode

Top Speed

25 mph with Pedal Assist, 20 mph with Throttle


Integrated Front and Rear

Frame material

Aluminum Alloy

Frame size

18” (46 cm)

Frame Type

Fork Details

SR Suntour NVX30 Suspension Fork with Preload Adjustment and Lockout

Gearing details

Shimano 7-Speed

Shifter Details

Shimano 7-Speed


Aluminum Alloy, 52T, 170mm




Adjustable Alloy


Clarks Hydraulic Disc Brakes


Black Faux leather with stitching


QF Saddle Black

Tire Brand

Innova 26 x 2.35

Wheel size



Front and Rear Included



Seat Tube

18” (46 cm)


14.75” (37.5 cm)

Stand Over Height

22.5” (57 cm)

Virtual Top Tube Length

22” (56 cm)

Min Saddle Height

21.75” (55 cm)

Max Saddle Height

28” (71 cm)


25.75” (65 cm)


44” (112 cm)


70.5” (179 cm)

Total Weight

60.5 lbs (27.5 kg)

Battery Weight

8.5 lbs (3.9 kg)

Recommended Minimum Rider Height





Not included


48v / 2A

Front Rack

Optional Front Rack (Not Included)

Rear Rack



Front and Rear Included

Accessory Mounts

Front Carrier, Front and Rear Fender, Rear Rack

Cosmo X videos

  • Explore The Series
  • Technical Overview

Cosmo Series | Overview And Differences

Our product specialist points out which specs the Cosmo, Cosmo S, and Cosmo X have in common as well as their key differences.

In-Depth Review of The Magnum Cosmo

The folks at Epic Cycles review the Magnum Cosmopolitan line of bikes, a stylish and reliable line of city bikes that comes in several striking colors. The bikes feature Magnum’s stalwart powerful and easily recharged battery, powerful and reliable motors, pedal assist functions activated at the smart display, and aesthetic and functional components

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Cosmo XSilver

  • 500 Watts Power
  • 15Ah Battery