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        Welcome to the SLDBK BIKE Official Store

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        SLDBK X21

        Original price was: $2,099.00.Current price is: $1,499.00.

        Technical Specifications
        Motor Power 1000W (Rated) / 2000W (Peak)
        Top Speed 31MPH (50 km/h)
        Battery 48V 35Ah (1680Wh) Lithium Battery
        Riding Range 65-108 mi (105-175km)
        Frame Aluminum Alloy
        Max Load 150kg (330lbs)
        Net Weight 42kg (93 lbs)
        Brake System Front & Rear Hydraulic Brake
        Suspension Front & Rear Suspension
        Tire Type & Size 20” x 4.0” All-Terrain Fat Tires

        1* Electric Bike

        1* 35Ah Battery

        1* Headlight
        1*Charger

        2*Pedals

        2 * Fat Tires
        1*Fenders

        1*User Manual

        Speed & Range

        • Top Speed: 31mph (50km/h)
        • Range: 65-108 Miles (105-175km)
        • Throttle: Up To 65 Miles (105km)
        • Assist Mode(PAS): Up To 108 Miles (175km)
        • Pedal Assist: 5 levels
        • Transmission: 7 Speeds

        Performance

        • Motor Power: 1000W(Rated),2000W(Peak)
        • Max Torque: 120 N.M
        • Battery: 48V 35Ah Lithium Battery
        • Charging Time: 6-12 Hours
        • Max Load: 150kg (330lbs)

        Frameset

        • Frame: Aluminum Alloy
        • Suspension: Full Suspension
        • Fork: Hydraulic Suspension
        • Brakes: Hydraulic Brakes
        • Tire Type: All-Terrain Fat Tires
        • Tire Size: 100/90-20 (20″×4.0″)
        • Display: LCD Display
        • Headlight: LED Light
        • TailLight: Brake Light
        • Pedal Type: Flat Pedals

        Dimension

        • Net Weight: 42kg / 93 lbs
        • Package Size: 58.3″×12.2″×32.7″ (148×31×83cm)
        • Rider Height: 5’5″ – 6’5″ (165–195 cm)
        1-Year Warranty
        Free items are not covered.
        FREE
        Free Shipping
        Free Tax
        15-Day Returns
        Ride Risk-Free

        2000W(Peak)

        Brushless Motor

        48V 35Ah

        Lithium Battery

        65-108 Miles

        Riding Distance

        wheel with thin tire

        Tires

        31MPH

        Max Speed

        weight-06

        150kg/330lbs

        Payload

        SLDBK&EKX X21 Off-Road Electric Bike

        The EKX X21 is a high-performance, all-terrain electric bicycle designed specifically for adults, taking your riding experience to the next level. Equipped with a 200W motor and a large-capacity, long-range 35Ah battery, it is engineered to conquer steep hills and endless trails, allowing you to bid farewell to range anxiety. Featuring wide all-terrain tires, a full suspension system, and hydraulic brakes, the EKX X21 delivers a smooth, “motorcycle-style” riding experience—whether you are navigating rugged off-road terrain, sandy trails, or busy urban commuting routes.

        FAQS

        Equipped with a 48V 35Ah battery, the X21 offers exceptional longevity. In pedal-assist mode (PAS)you can expect 90-108 miles of range. On pure electric mode at moderate speeds, it typically covers50-65 miles, depending on rider weight and terrain.

        Safety is a priority for high-speed e-bikes. The dual hydraulic brakes provide superior stoppingpower with less finger effort than mechanical brakes. Combined with E-ABS (Electronic Anti-lockBraking System), the bike prevents wheel lock-up during emergency stops, even on wet or sandysurfaces.

        The SLDBK&EKX X21 arrives 85% pre-assembled. You will only need to install the front wheel, handlebars,pedals, and headlight. We provide all the necessary tools and a step-by-step assembly video in ourSupport section to get you on the road in about 30 minutes.

        The X21 isn’t just an e-bike; it’s built with a reinforced aluminum alloy frame that handles a 150kg(330lbs) max load. Combined with a 2000W peak motor and dual suspension, it delivers the stabilityand torque of a light motorcycle while maintaining the agility of a Electric bicycle.

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