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New Release | KINGBULL JUMPER GO: Full-Suspension 20" Off-Road E-Bike with $600 Early Bird Discount!
At KINGBULL, we believe true freedom begins where the pavement ends. That’s why we’re proud to launch the all-new JUMPER GO — a purpose-built 20-inch full-suspension electric bike designed for off-road riders who demand power, performance, and precision.
Now available for pre-order with a $600 early bird discount, this beast is ready to take your adventure to the next level.
Engineered for Off-Road Performance
JUMPER GO isn’t a commuter toy — it’s a trail-ready machine packed with pro-level components built for the wild:
Kenda 20" x 4.0" fat tires for traction across sand, snow, mud, and mountains
Bafang 750W high-torque motor to climb steep hills and power through rough terrain
Full suspension system:
Front: Zoom suspension fork with 80mm travel
Rear: DNM rear shock with 50mm travelThis setup absorbs big bumps, keeping your ride smooth and stable
Tektro 4-piston hydraulic disc brakes for confident, responsive stopping in any condition
Whether you're tearing up the trails or exploring backcountry paths, JUMPER GO delivers the muscle and control you need.
Samsung 20Ah Battery — Up to 80 Miles Per Charge
Range anxiety? Not here.
JUMPER GO comes equipped with a Samsung 20Ah high-capacity battery, offering up to 80 miles (128 km) of range on a single charge. Ride farther, explore deeper, and go where others can't.
Who Is JUMPER GO For?
This e-bike is made for riders who want more than city cruising:
Trail enthusiasts and off-road adventurers
E-bike riders craving power, range, and rugged reliability
Anyone who demands a high-performance electric bike without compromise
Early Bird Deal: Save $600 Now!
Be the first to ride the JUMPER GO and enjoy our exclusive early bird pre-order offer: $600 off for a limited time only!
Don’t miss out — availability is limited and demand is high.
Pre-Order Now and Ride Beyond Limits
The adventure starts here. Whether you're heading to the mountains, desert, or forest trail, JUMPER GO is your ultimate off-road companion.
👉 Click here to pre-order the JUMPER GO now >>
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Kingbull News
KINGBULL Unveils the Verve and Jumper Go: Best Urban Commute and Off-Road Electric Bikes
KINGBULL, the fat tire electric ebike export, proudly launches two next-generation step-through e-bikes—Verve and Jumper Go—designed to meet the demands of both city commuters and off-road explorers. Crafted with all-aluminum frames and powered by 750W Bafang motors, these models blend performance, portability, and comfort in distinct ways.
Pre-orders are open now, with deliveries starting in May 15th. Riders can also experience both models in person at KINGBULL’s test ride spot.
Luxury, Powerful, and Rider-Focused
At the core of both the Verve and Jumper Go is a meticulously engineered aluminum step-through frame with all the industry's top-level technology, featuring:
A removable, integrated SAMSUNG 48V/960Wh battery
Torque and brake sensors for responsive riding
TEKTRO HD-E3940 4-piston hydraulic brakes with 180mm discs
SHIMANO 8-speed drivetrain
20”x4.0” KENDA puncture-proof tires for stability and grip
ZOOM 80mm travel front fork
From urban streets to rugged trails, every component is chosen for performance and reliability.
Verve: Foldable Freedom for the Urban Explorer
Ideal for city commuters, the Verve is a Class 2*, foldable e-bike that combines sleek form with functional design. The frame folds easily for compact storage in apartments, offices, or transit.
The Verve offers smooth acceleration up to 20MPH, while the 80mm front suspension fork absorbs bumps in the road.
* Legal! Adjustable!
Jumper Go: Built to Conquer All Terrains
Designed for adventure, the Jumper Go takes things up a notch with a mid-mounted DNM air suspension and Class 3 performance. Its 750W bafang hub motor delivers high torque and speeds up to 28MPH, perfect for trail riders and thrill-seekers.
Despite its rugged nature, Jumper Go retains comfort features like eco-leather saddles, ergonomic grips, and an intuitive folding stem.
Built for Real Riders – From Rugged Trails to City Streets
Jumper Go & Verve aren’t just e-bikes—they’re the perfect fit for riders with different lifestyles:
Best for All-Terrain CommutersJumper Go is made for those who want both speed and comfort. From urban roads to bumpy trails, it’s ideal for riders who crave performance with a smooth ride.
Best for City Explorers & Space-SaversVerve is perfect for urban dwellers, apartment owners, and RV travelers. Its foldable design and relaxed riding geometry make it the go-to for convenient daily transport.
Best for New Riders & Everyday UseWith easy step-through frames, both models are welcoming to riders of all ages and experience levels—great for commuting, errands, or just enjoying the ride.
Best Choice for Practical StyleWhether you’re drawn to Jumper Go’s bold blue or Verve’s clean white, both offer modern looks with everyday functionality.
Join the Celebration!
To celebrate the launch, you can get up to $600 off your order starting now. VERVE has an Early Bird price of $1,799 (reg. $1,999), while the full-suspension JUMPER GO is $1,899 (reg. $2,499).
About KINGBULL
Since its brand launch in 2023, KINGBULL has become a trusted name in the electric bike industry. From the Voyager, the world's first dual battery cargo electric bike, to the commuter-focused Discover and popular folding ebike Literider, as well as the Hunter line, which is built on user feedback, KINGBULL's product line caters to a wide range of riding scenarios.
With state-of-the-art products and eco-friendly bikes, we aim to inspire people to break the mold and unleash the joy, just like our philosophy Your Ride. Your World. Your Way.
For more information, visit www.kingbullbike.com or contact 213-588-4335.
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Tips & Cycling Knowledge
Say Goodbye to Post-Ride Butt Pain: Here's How!
Hey there, fellow cycling enthusiasts! We’ve all been there—you finish an amazing ride, but the next day your butt feels like it went to war. Don’t worry—we’re here to help. In this post, we’ll break down why it happens, how to prevent it, and what to do if you're already sore. Let’s ride smart and pain-free!
The Science of Butt Pain
When you’re on your bike, your sit bones carry most of your weight. Over time, that pressure can restrict blood flow and irritate soft tissues. Add in the constant friction between your skin and the saddle—and boom—pain, soreness, and even inflammation.
Pre-Ride Prevention
1. Choose the Right Saddle
Fit matters: Measure your sit bones to find the right width.
Riding style counts: Narrow saddles = speed and flexibility. Wide saddles = comfort and long distances.
Ventilation helps: Saddles with airflow (like the Hunter 2.0 model) keep you dry and cool.
Material matters: Gel = shock absorption. Memory foam = custom comfort.
2. Check Your Handlebar Height
Too low? You lean forward and overload your hips.
Too high? Your posture suffers.Find the sweet spot for even weight distribution.
3. Adjust Saddle Height
Small changes can make a big difference. Adjust to your comfort during the ride and based on terrain.
Wear the Right Clothing
- Moisture-Wicking Tops
Skip the cotton! Choose polyester or nylon blends that dry fast and keep you comfortable.
- Cycling Shorts, Trousers, or Capris
Padded shorts are your best friend. For cooler rides, go with breathable, wind-resistant trousers.
- Proper Sports Underwear
Ladies: supportive sports bras.Gents: sweat-wicking base layers.Everyone wins with breathable, stretchy materials.
- Wind-Proof Jackets & Breathable Socks
Dress for the weather and protect your skin. Don’t forget reflective details for night rides!
Prepare Your Body
Warm-Up Exercises: Get those muscles moving before hitting the road.
Core Training: A stronger core = better posture = less butt pain.
During the Ride
- Switch Up Your Sitting Position
Stand up every 15–20 minutes or shift side to side to reduce pressure points.
- Pedal Smart
Aim for a smooth cadence of 80–100 RPM. Less impact, more efficiency.
- Plan Your Route
Schedule short breaks every 30–60 minutes. Use that time to stretch and let your muscles recover.
After the Ride: Recovery Tips
- Move Around
Don’t just crash on the couch. A short walk helps circulation and speeds up recovery.
- Try Heat or Cold Therapy
Heat: Use a warm compress to relax tight muscles.
Cold: Ice packs reduce swelling and numb pain (especially in the first 48 hours).
- Pain Relief
Over-the-counter meds like ibuprofen can help, as can anti-inflammatory creams or gels.
Bonus Tips for a Happier Ride
Stay Clean: Shower ASAP after riding. Keep your skin dry to prevent irritation.
Inspect Your Gear Regularly:
Saddle: Any cracks or deformities? Replace it!
Shorts: Is the padding worn out? Time for new ones.
Tires, brakes, gears: Always check before hitting the road.
Final Thoughts
The freedom of the ride is one of life’s simple joys—but it doesn’t have to come with discomfort. With the right gear, smart habits, and proper recovery, you can say goodbye to post-ride butt pain for good.
So check your setup, dress for the ride, and keep pedaling with joy. The open road is calling!
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Ebike Comparison
Hunter 2.0 Upgrade Breakdown: Redefining the Cycling Experience
As technology continues to advance, cycling equipment is constantly evolving to provide riders with the best experience possible. Today, we’re excited to introduce the newly upgraded Hunter 2.0! This bike has long been a favorite among cycling enthusiasts, and it now offers even more power, comfort, and durability. Not only has the design been fine-tuned, but the performance has also been taken to a whole new level. From the motor and front fork to the braking system, frame, saddle, and rear rack, every aspect of the Hunter 2.0 has been meticulously upgraded and tested to deliver a smoother, safer, and more comfortable ride. Let’s take a closer look at the key improvements!
1. Motor Upgrade: More Power, Longer Lifespan
The Hunter 2.0 now features the renowned Bafang motor, known for its powerful performance and reliability. The upgraded motor delivers stronger power output, and the newly designed gears are more durable and wear-resistant, extending the motor’s lifespan. This means that whether you’re conquering rough mountain trails or cruising along city streets, the Hunter 2.0 will provide you with continuous, reliable power, ride after ride.
2. Front Fork Upgrade: A Smoother, More Comfortable Ride
The performance of the front fork plays a crucial role in your comfort and stability while riding. In the Hunter 2.0, we've upgraded the front fork to the MOZO brand, which features an 80mm travel for enhanced shock absorption. This upgrade ensures a smoother ride, absorbing bumps and vibrations from rough terrain. Whether you're navigating rocky trails or riding on uneven city streets, the MOZO front fork guarantees a more stable, comfortable experience—especially on longer rides.
3. Braking System Upgrade: Enhanced Safety and Precision
To ensure your safety, the Hunter 2.0 has upgraded its braking system from mechanical to hydraulic disc brakes, now featuring a dual-piston design. This setup provides superior braking performance with smoother and more precise control. Whether you need to make a quick stop or a gradual slowdown, the hydraulic system delivers exceptional response time and reliability, keeping you safe in all riding conditions.
4. Frame Upgrade: Stronger, More Durable, and Ready for Any Ride
The Hunter 2.0 features cutting-edge welding and casting technology that enhances the overall strength and durability of the frame. This advanced technique ensures a perfect fit at every weld point, increasing the frame’s stability and resilience. Compared to traditional welding methods, the casting process helps to better distribute external forces, reducing the risk of breakage and extending the frame's lifespan. This means the Hunter 2.0 can withstand tough impacts and rough conditions, providing a safer and more reliable ride.
While the frame's strength and stability have been significantly improved, this upgrade has led to a slight increase in the overall weight of the bike. However, this is a result of the many enhanced components we've added. With a more powerful motor, upgraded braking system, and reinforced rear rack, the Hunter 2.0 needs a sturdier frame to support the increased performance and weight capacity. These upgrades not only boost the bike’s performance but also ensure it can handle more demanding rides and support heavier loads, making it perfect for riders who push their limits.
5. Saddle Upgrade: More Comfort for Longer Rides
Long rides require a comfortable saddle, and the Hunter 2.0 delivers just that. The saddle has been redesigned with ergonomic support and breathable ventilation holes to keep you cool and comfortable, even on long trips. The improved design ensures a better riding posture and reduces fatigue, allowing you to stay comfortable and focused on the road ahead.
6. Rear Rack Upgrade: Increased Strength for Heavy Loads
The rear rack has also received a significant upgrade. It’s been reinforced to provide a stronger, more stable support for heavier loads, making it perfect for carrying gear or commuting with additional items. Whether you’re heading out on a weekend adventure or need to carry groceries, the upgraded rear rack ensures your cargo is securely supported without compromising the bike’s stability.
Conclusion: A Complete Upgrade for a New Riding Experience
The Hunter 2.0 has undergone a complete transformation, making it one of the most powerful and versatile electric bikes on the market today. With its upgraded motor, front fork, braking system, frame, saddle, and rear rack, the Hunter 2.0 is built to deliver superior performance, comfort, and durability in any environment. Whether you’re commuting through the city or exploring rugged trails, this bike is ready for any challenge.
So, what are you waiting for? Don’t just take our word for it—experience the Hunter 2.0 for yourself and see how these upgrades can transform your riding experience!
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Maintenance
Lost or Broken Battery Lock Key? Here’s What to Do
Hey, Kingbull bike riders! We’re constantly striving to ensure you enjoy an outstanding riding experience. Lately, we’ve realized that many of you encounter a common issue: losing the key to your battery lock or having it break during rides. This not only disrupts your journey but can also lead to avoidable headaches. At Kingbull, we understand your frustration all too well. That’s why we’ve come up with multiple solutions. Our aim? To help you get back on track quickly!
Proactive Prevention: Secure a Spare Key
To avoid the inconvenience caused by losing the key, we strongly recommend that you immediately store a spare key properly upon receiving the bike. In this way, even if the main key is lost or damaged, you can handle the situation easily and ensure a worry - free ride.
What should you do if the key is lost or damaged?
Don't worry. Kingbull provides two solutions to help you quickly resume using the battery:
1.Purchase a Brand New Battery Lock and Key (Officially Recommended)
If you've lost all the keys, or you wish to replace the existing lock, the most reliable solution is to directly replace the battery lock and key with a new set. You can easily order a lock that is compatible with your bike model on the official Kingbull website, ensuring both security and compatibility. The installation process is simple, enabling you to get back to riding quickly!
Steps for Replacing the Battery Lock
If you need to replace the battery lock, you can follow these steps:
Step 1: Remove the Battery Take the battery out of the bike body
Step 2: Remove Screws on the Battery Upper Base
After removing the battery, unscrew the screws in the area circled in red on the battery's upper base.
Step 3: Detach the Complete Battery Base
Unscrew the screws on the side of the bike that fasten the battery lock. This allows you to remove the entire battery base. After removal, attach the new lock to the base in the correct manner. Finally, reinstall the assembled unit back onto the bike.
Step 4: Tighten the Screws
Tighten the screws on the battery upper base and those on the side of the bike.
2.Get a Spare Key Made at a Local Hardware Store (Quick Fix)
If you still have one key in hand, head to a nearby hardware store or key - cutting shop to get a copy made. This is the quickest and most cost - effective solution. It enables you to resume using your bike right away without having to replace the entire lock set.
Stay Ready, Ride Worry-Free!
Losing or damaging your battery key can be frustrating, but with these simple solutions, you’ll be back on the road in no time. Remember to keep your spare key safe to avoid unnecessary trouble. Stay prepared, ride with confidence, and enjoy every journey with your Kingbull e-bike!
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Correct Position, Comfortable Tour-How to Set up A Comfortable Position for Your E-bike
Every cyclist knows that a well-adjusted e-bike leads to a smoother, more enjoyable ride. Since riders come in all shapes and sizes—with different heights, weights, and riding preferences—finding the perfect riding position is essential. A properly fitted e-bike not only enhances comfort but also improves efficiency, reduces fatigue, and prevents strain or injury. To achieve the best riding experience, e-bike riders should carefully adjust key components such as saddle height, handlebar reach, handlebar height, and suspension settings. Each of these adjustments plays a crucial role in ensuring optimal body alignment and control.
Saddle Height
The saddle height is one of the most important adjustments for a comfortable and efficient ride. When your pedal is at the lowest point of its rotation, your leg should have a slight bend (about 25-30 degrees) rather than being fully extended or overly bent. This ensures proper power transfer while reducing strain on your knees. A quick test: sit on the saddle with your heel on the pedal—your leg should be almost straight at the bottom of the stroke. When you switch to riding with the ball of your foot, this slight bend will provide the ideal balance of comfort and pedaling efficiency.
Handlebar Reach
Handlebar reach determines how far you need to stretch to grip the handlebars, affecting both comfort and control. If the reach is too long, you may strain your shoulders and back; if it’s too short, you might feel cramped. The ideal adjustment allows your arms to remain slightly bent when holding the handlebars, keeping your upper body relaxed. This position helps absorb road vibrations and reduces fatigue, making it perfect for long rides. Many e-bikes allow reach adjustments by changing the stem length or sliding the handlebars forward or backward.
Handlebar Height
Handlebar height significantly influences your riding posture, and the best setting depends on your riding style:
For Comfort:
Recreational riders and commuters often prefer a higher handlebar position, which promotes an upright posture. This reduces pressure on the wrists, neck, and lower back, making it ideal for leisurely rides or city cycling.
For Speed:
If you prefer a more aerodynamic and performance-oriented ride, lowering the handlebars can help. Angling your upper body forward (about 45 degrees from the hips) reduces wind resistance and allows for more aggressive pedaling, making it great for fitness-focused or high-speed riding.
Suspension Settings
For e-bikes equipped with suspension, fine-tuning the suspension settings can drastically change the ride feel:
Plush Ride:
If you prioritize comfort—especially on rough or uneven terrain—setting the suspension to utilize its full travel distance will absorb bumps effectively, providing a smoother ride.
Firm & Grounded:
For paved roads or when you want a more responsive, efficient ride, reducing the suspension travel (or increasing the firmness) minimizes energy loss and improves pedaling efficiency.
Conclusion
By taking the time to adjust these key components, e-bike riders can tailor their bikes to their unique needs, ensuring every ride is as comfortable, efficient, and enjoyable as possible. Whether you're cruising through the city or tackling longer adventures, the right setup makes all the difference! Utilize your experience on your bike and enjoy your life cozily!
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