X-Treme Boulderado Electric Bike

On Sale


The Boulderado Electric Bike is a step through mountain bike cranking out 500X from the Bafang high torque zero resistance clutch motor.  This bike features a lightweight, compact lithium upgraded LiPo4 48 volt 17 Ah integrated battery pack providing a considerable amount of power beyond our 10 amp battery allowing for up to an additional 75 miles range.

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Great Equipments

This bike comes with everything Aluminum – every bolt, every nut, every nipple, every spoke.  That means no rust!   The 100% hand welded lightweight aluminum frame bicycle has Atlus Shimano 9-Speed Gears & Shifting System, oversized MOZO Front Hydraulic Suspension, aluminum rims with quick release axle on the front and a water proof quick disconnect on the rear and oversized Kenda 26 x 4.0 tires.  This electric mountain bicycle comes standard with a rear cargo rack and high quality beverage holder. There is no extra charge!

Integrated Technology

It comes equipped with the King Meter 5 Speed Smart Power Assist System (SPAS).  The electronics are controlled via rider input on the LCD screen attached to the handlebars.  Smart PAS with 5 speeds will enable the bike to operate nearly twice as efficient as a non-smart assist e-bike, because you select the power consumption (speed controls 1-5 setting) on the LCD during your ride.  This feature will allow your Boulderado 48 Volt to possibly reach or exceed 150+ miles per charge when using low SPAS while always pedal assisting on flat ground under perfect conditions with a light weight rider.  The LCD also indicates Speed, Distance and Battery Life.


The Boulderado Electric Bike is faster than any model we sell.  It has been tested climbing a 5-7% mountain grade continuously for 45 minutes at 18 mph while having to slow down for hair pin turns.


Model Name
X-Treme Boulderado Electric Bike
Top Speed
25 mph
70 miles
Bafang 500W Zero Resistance Rear Hub
48V 10Ah
Charge Time
3 Hours
Braking System
Tektro Disk
Max Load
350 Lbs
Frame Material
Aluminum Alloy
70 Lbs
Smart Technology
LCD Display
Kenda Tube - 26"x4.0"
Carton: 60"x31"x11"


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