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EKX
EKX X21 Max

EKX X21 Max

Last price we saw

$899.00last seen Oct 28

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Our take on the EKX X21 Max

The EKX X21 Max is a full-suspension electric mountain bike with a 6000W peak motor, a 60V 30Ah battery, and a claimed top speed of 50 mph. It has 19-inch wheels, a 7-speed drivetrain, hydraulic disc brakes front and rear, and an aluminum frame. At $899.00 it sits at the low end of what high-power e-bikes cost, well under most 50 mph-class machines.

Best forRiders who want maximum speed per dollarOff-road and trail riding with full suspensionTall or heavier riders needing a sturdy frameBuyers comfortable with a 99 lb bike
Pros
  • 6000W peak motor and claimed 50 mph top speed
  • Full suspension front and rear for rough terrain
  • Hydraulic disc brakes front and rear
  • 60V 30Ah battery with a claimed ~55 mile range
  • 7-speed gearing and 19-inch wheels
  • $899.00 is low for this power class
Cons

EKX X21 Max price history

Lowest price we've seen: $899.00 on Oct 28. Tracked across 1 store since Oct 28.

Specifications

Motor
6000W (peak)
Battery
60V / 30Ah lithium-ion
Top Speed
50 mph (80 km/h)
Range
Up to ~55 miles (90 km) per charge
Weight
45 kg (99 lbs)
Street-Legal
Road-ready lighting & safety components (varies by region)
Full suspension

Questions and answers

Is the EKX X21 Max worth $899.00?
At $899.00 it is one of the cheapest ways to get 6000W peak and a claimed 50 mph. Expect heavy weight and check local e-bike laws before buying.
How fast does it actually go?
EKX claims 50 mph (80 km/h) with the 6000W peak motor. Real speed depends on rider weight, terrain, and battery charge.
What range can I expect?
The claimed range is up to about 55 miles (90 km) per charge. Riding near top speed will cut that substantially.
Is it street legal?
It ships with road-ready lighting and safety components, but legality varies by region. Many areas cap e-bikes at 20–28 mph, so check your local rules.
How heavy is it, and can I carry it?
It weighs 45 kg (99 lbs). That is too heavy to carry up stairs regularly; plan on ground-level storage.
What size rider fits it?
The frame is 550 mm (21.7 in) with a 500 mm standover height and a 630 mm seat. It suits taller riders; shorter riders may struggle to reach the ground.

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Compare the EKX X21 Max

  • Talaria Sting R MX4 vs EKX X21 Max
99 lbs (45 kg) is very heavy to move or store
  • 50 mph and 6000W are aggressive for a bicycle frame
  • Street legality varies by region and may need registration
  • Range drops sharply at high speed
  • No torque or mid-drive spec given; hub motors run hot on long climbs
  • Soaks up rough terrain for a smoother, more controlled ride.
    Max. E-bike Height
    1135 mm / 44.7 in
    Max. Frame Height
    880 mm / 34.6 in
    Bottom Bracket Height
    400 mm / 15.7 in
    Frame Size
    550 mm / 21.7 in
    Standover Height
    500 mm / 19.7 in
    Rear Seat Height
    860 mm / 33.9 in
    Seat Length
    630 mm / 24.8 in
    Wheelbase Length
    1200 mm / 47.2 in
    Total Length
    1730 mm / 68.1 in
    Riding Position
    795 mm / 31.3 in
    Suspension Type
    Full Suspension
    Frame Material
    Aluminum
    Type
    Mountain
    Wheel Size
    19 inch wheels
    Number Of Speeds
    7 speed
    H
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    HappyRun F18 2.0 60V/30Ah 6000W Off-Road Electric Dirt Bike
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