X-Treme Boulderado 500W Step-Thru Fat Tire Mountain Ebike

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Metallic White

500W Bafang Zero Resistance Rear Hub Motor w/ Clutch

48V/10.4Ah Downtube Integrated Lithium-ion LiPo4 Compact Battery

Atlus Shimano 9-Speed Gears & Shifting System & 5-Level Pedal Assist System (PAS) w/ Thumb Throttle

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X-Treme Boulderado Ebike Description

The Boulderado 48 volt fat tire step-through electric mountain bike is a lithium battery-powered ebike with a 500W Bafang high torque zero resistance clutch motor.

This bike features a lightweight, compact lithium LiPo4 48 volt 10.4Ah integrated battery pack providing a considerable amount of power greater than X-Treme's 24V or 36V models.

This ebike comes with everything Aluminum which means no rust! The 100% hand welded lightweight aluminum frame bike has an Atlus Shimano 9-speed gears & shifting system along with a King Meter 5-speed smart pedal assist system (PAS) providing plenty of hill-climbing power.

It has MOZO front hydraulic suspension, front & rear Tektro disk brakes, and is mounted on 26" x 4.0" fat Kenda tires all working together to provide a safe and comfortable ride.

X-Treme Boulderado Ebike Specifications

  • Motor: 500W Bafang Zero Resistance Rear Hub Motor With Clutch
  • Battery: 48V/10.4Ah Downtube Integrated Lithium-ion LiPo4 Compact Battery
  • Gears: 9-Speed Atlus Shimano Gears & Shifting System & 5-Level Pedal Assist System (PAS) w/ Thumb Throttle
  • Frame: 6061-T6 Temper Aluminum Alloy Lightweight Step-Through Frame
  • Speed: Up to 45mph Max Assisted Speed Based on Rider Weight.
  • Charger: 48V Output UL Certified Charger
  • Charge Time: 3-4 Hours
  • Tire: 26" x 4.0" Kenda Mountain Tires & Tube Mounted on Aluminum Alloy Rims
  • Display: LCD King Meter w/ Smart PAS Digital System
  • Controller: 48V/15A Sealed Smart Controller
  • Brake: Front & Rear Tektro Disk Brakes
  • Suspension: MOZO Hydraulic Front Suspension Fork
  • Handle Bars: Aluminum Alloy Mountain Bike Handle Bars
  • Pedals: Wellgo Aluminum Pedal Set
  • Seat & Post: Aluminum Alloy Adjustable Seat Post & Velo Mountain Bike Seat
  • Front Wheel: Joytech Quick Release Hub
  • Quick Release: Front & Rear Wheels Have Quick Release Axles - Flip Lever
  • Gooseneck: Aluminum VP
  • Front Sprocket: Aluminum Alloy Sprocket
  • Accessories: Cargo Rack, Bottle Holder, Headlight (Battery Operated Snap-On LED Not covered under warranty)
  • Bike Measurements: Max Seat Height = 41.3" / Min Seat Height = 33.5" / Handle Bar Height = 43.3"
  • Bike Weight: 70 Lbs.
  • Suggested Max Weight: 350 Lbs.
  • Box Dimensions & Weight: 60" x 31" x 11" (81.5 Lbs.)
  • Assembly: The Boulderado comes mostly assembled. Final assembly includes attachment of the front wheel, handlebar, rear rack, pedals and seat.
  • Typical Tools Required: Phillips Screwdriver, 2.5mm, 3mm, 4mm, 5mm 6mm & 8mm Hex (Allen) keys, Adjustable Wrench or an 8mm, 9mm, 10mm, 13mm, 14mm, 15mm & 17mm Open/Box End Wrenches (tools needed included)
  • Warranty: 1 Year Warranty & 1 Year Battery Warranty
  • ShippingFree shipping to the lower 48. For shipments to Alaska, Hawaii and Canada, please send us your shipping address and the products you want, and we will find the best rate available.

User Manual

The X-Treme Rubicon, Sedona, Catalina Rocky Road and Baja User's Manual is also compatible with the Boulderado. 

Orders for in-stock items take 24-48 hours to process, then about 5-7 days in transit. Delays due to Covid have occurred. If an item is on backorder, the estimated ship date will be shown below the Pre-Order Button.

All products are shipped free within the Contiguous US via UPS, FedEx or similar carrier. Shipping to AK, HI and PR may incur additional charges.

If your package appears damaged from shipping, please do not accept it. Tell the driver to keep the package and contact us immediately at 888-883-3350. We offerGuide Package Protectionto ensure against lost, stolen or damaged goods. Click here to learn more about Guide.

Returns for buyer’s remorse are typically not accepted by our suppliers, and if accepted, the customer may incur shipping and restocking fees.

Please click here to read our entire Shipping & Returns Policy.


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