Kingbull Discover 2.0: Long Range Bike With City-Trail Flex

The Kingbull Discover 2.0 runs on a 750W Bafang motor that produces 80Nm of torque and enables the bike to take on even steep climbs. This makes it suitable for both city paths and country trails. The motor is strong yet feels controlled. Riders can use the bike in Class 2 mode with 20 mph top speed for calm city use… or switch to Class 3 mode with 28 mph top speed for faster rides. The speed can be adjusted via the display unit.

Acceleration feels quick but not rough due to the torque sensor system. It adjusts motor output to match pedaling effort in real-time. Instead of sudden bursts, the bike gives a natural push that makes the ride smoother. This not only improves control but also helps save battery power. When tested on flat ground, the response is fast… and on slopes, the motor still keeps the ride steady without extra strain. The drivetrain uses a Shimano Altus 7-speed setup known for reliable and seamless gear shifts.

The bike features a 48V 15Ah Samsung battery that the brand claims to have tested up to 60 miles of range on a single charge under ideal conditions. Even if you get 75% of the claimed range (which you will), it will still be a solid figure for riders using the bike for city commutes and weekend trail rides. The main factor contributing to a longer range is the torque sensor. 

Since the sensor adjusts motor output based on pedaling effort in real-time, it helps conserve power. A range closer to the brand’s claim is possible with light pedal assist on smooth ground but on hilly terrain or high assist modes the real figure will be closer to 40 miles. This is how much I got in my testing (got 39.7 miles, as I used PAS 5 throughout, and took the bike to hills as well. Riders who use lower pedal assist levels can stretch the range further. 

The battery is placed inside the frame which keeps it safe from dust and splashes, while also ensuring a neat exterior. But at the same time, it can be removed easily for charging indoors, and comes with a lock and key. A full charge takes 5 to 6 hours with the provided 3A charger.

The Kingbull Discover 2.0 is built with Zoom hydraulic disc brakes on both wheels. Each rotor measures 180 mm, which helps the bike stop quickly even at higher speeds. This gives riders more trust, especially when riding on slopes or gravel paths. During my test ride, the braking felt firm and smooth without sudden jerks. The motor cutoff feature adds more control by cutting power the moment the brake lever is pressed.

For visibility, the bike has a 48V LED headlight and a rear light that brightens when you press the brakes. This small detail is useful on dark paths because it alerts riders behind you. Reflectors on the pedals add another safety layer.

The Kingbull Discover 2.0 is built for real-world use. The frame uses reinforced aluminum to bring both strength and lightness that you need on trails. The payload limit of 400 lbs means riders can carry gear or cargo with no trouble. For suspension, the bike has an in-house front fork with 80 mm travel. It has lockout and preload adjust options that help soften bumps yet stay firm on flat surfaces. Though I would have preferred a bit more travel for the trails, it still did the job.

The weight of the bike (at 77 lbs) may feel heavy to move by hand. But for those who value strong motor support and reliable handling, this weight adds to the solid build of the bike. A major reason behind this weight is the massive 26” × 4.0” CST fat tires. They hold the ground well and give extra grip, which adds balance on both dirt paths and paved streets. Thanks to these rugged tires, you can travel on any terrain, soft or hard.

The Discover 2.0 gives a steady and smooth ride across city roads and rough tracks. It’s mainly due to the front suspension fork paired with fat tires. Together, they absorb shocks from rocks, potholes, debris, and city bumps. Riders also get 5 levels of pedal assist, which makes it easy for them to fine-tune the ride any way they want. All controls are easy to reach.

Then, there’s the torque sensor that makes the ride feel natural by sending power in line with how much effort the rider puts into the pedals. This removes sudden bursts of force and maintains a steady push. The bike also has a comfy, cushioned eco-leather saddle with height adjustment. During testing, I found it extremely plush and comfortable. With these features together, the bike ensures comfort, making long trips easier and short rides more fun.

The Kingbull features an aluminum alloy frame that balances strength and weight. Its step-over geometry gives a sporty look while keeping the structure solid, and it’s also available in a step-thru frame for increased accessibility. The removable Samsung battery is neatly housed inside the downtube, protecting the cells from dirt and rain while also maintaining a clean look. Likewise, all cables are internally routed. This clean design gives the bike a sharp look.

The bike also comes with a sturdy rear rack and dual fenders. The rack is rated at 150 lbs of payload and comes with mounting points for panniers/bags. The smooth welds, the sleek frame, and the clean exterior make the Discover 2.0 look more like a high-end commuter bike than a bulky electric model. For riders who value a sharp look along with performance and comfort, the design is just perfect. And yes, I almost forgot to mention that it has a color display unit that shows you all ride metrics in real-time. It’s backlit and visible even in daylight.

The Discover 2.0 retails at $1,299. At this price point, it fits well in the mid category of fat tire ebikes. The cost covers not only the 750W Bafang motor and the 720Wh Samsung battery but also key parts like Zoom hydraulic brakes, CST fat tires, Shimano suspension, front suspension, and extras such as fenders and a rear rack. It comes complete and misses nothing.

The value goes beyond the main specs. The aluminum frame with its integrated battery and hidden cables gives a clean and solid look that feels close to higher-end models. Then, there’s the free gift pack that includes a cable lock, an air pump, and a phone mount. Riders get a mix of strength and utility without paying for costly upgrades or any accessory/ add-on.

The Kingbull Discover 2.0 combines power, comfort, and practical features. Its Bafang motor gives strong output while the Samsung battery provides steady range for both daily use and longer trips. The front suspension and fat tires keep the ride smooth on uneven paths and the hydraulic brakes add solid control. The sturdy aluminum frame gives the bike stability, while extras like a rear rack and fenders add real value since you do not have to buy them later on.

At $1,299, the Discover 2.0 offers premium parts from the top names of the industry… Bafang, Samsung, Zoom, Shimano. In addition to that, the blend of strength, comfort and utility makes it a suitable choice for both daily commutes and weekend trails. All in all, I found the bike absolutely worth its tag. But if you want to explore more options, you might want to check these best fat tire ebike picks. In case you’re looking for even more affordable options, you can check out these ebikes on Amazon.

What is the top speed of the Kingbull Discover 2.0?

The bike can reach 28 mph in Class 3 mode. You can also set it to Class 2, by capping the top speed at 20 mph from the display unit settings.

How far can the battery go on one charge?

The 720Wh Samsung battery has a maximum range of 60 miles under ideal conditions. In real world use, riders can expect around 40 miles.

Is the Discover 2.0 suitable for different rider heights?

Yes, the step-thru aluminum frame is made for easy access and the seat height can be adjusted for riders between 5’5” and 6’5”.

What is the warranty period?

Kingbull offers a 2-year warranty on the frame and main electronic parts which gives good peace of mind for long-term use. For more details, you can consult Kingbull’s warranty policy on their website.

• Motor Type: Bafang (GD) 750W Brushless Rear Hub
• Motor Voltage: 48 V
• Nominal Motor Output: 750 W
• Max Torque Output: ~80 Nm
• Max Speed: 20 mph (Throttle Only) / Adjustable to Class 3 (28 mph Pedal Assist)
• Sensor: TROG-1B Torque Sensor + Brake Sensor
• No. of Assist Levels: 5
• Battery: SAMSUNG 48 V 15 Ah (720 Wh) Lithium-ion
• Max Range: 60 Miles
• Charger: 48 V 3 A Smart Fast Charger (UL-Certified)
• Charging Time: ~5–6 Hours
• Brakes: ZOOM HB-875-E Hydraulic Disc Brakes, 2 Pistons, 180 mm Rotors (Front & Rear)
• Suspension (Front): KINGBULL OS-D26, Coil Spring, 80 mm Travel, Lockable, Preload Adjustable
• Suspension (Rear): None
• Frame Material: Full Aluminum Alloy, Removable Integrated Battery
• Max Load: 400 lbs
• Rear Rack Capacity: 150 lbs
• Transmission: Shimano SL-M315-7R Shifter + Shimano RD-M310 Rear Derailleur (7-speed)
• Display: KB35H Custom Color Display
• Tire Size: CST C-1752 26″ × 4.0″ Puncture-Proof
• Rider Height: 5’3” ~ 6’6”
• Bike Weight: 77 lbs (with Battery)
• Chain: KMC Z7RB, 124L, 7-speed
• Crank Set: HDL-L145, 48T, 170 mm Arms
• Throttle: FT158X Twist Throttle (3-pin, 5V)
• Handlebar: HB703 Aluminum Alloy, 700 mm Width
• Stem: AS507 Aluminum Alloy, EXT: 60 mm, 7° Rise
• Kickstand: Aluminum Alloy Side Kickstand
• Rims: JP73 Aluminum Alloy, 26″ (Front: 13G36H / Rear: 12G36H), H:18 mm
• Saddle: JT5734 Eco-Leather with Aluminum Rails
• Seatpost: SP-601 Aluminum Alloy, 30.4 × 300 mm with Scale
• Spokes: 45# Steel, 13G & 12G with 12–14 mm Copper Spoke Caps
• Inner Tubes: CST 26″ × 4.0″, Schrader Valve
• Lights: Integrated 48V LED Headlight with Horn + Tail Light with Brake Highlight
• Fenders: Dual plastic fenders