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TWENTY4 E
The little ones want to shred too! Our 24-inch hardtail eMTB offers up-and-coming riders the same high-quality components as the big kids.
$1,699.00
$2,999.00
Save $1,300
FEATURES
TWENTY4 E
- The BULLS Twenty4 E is a premium electric bike crafted specifically for younger riders. Designed with the same top-tier components and engineering found in adult eBikes, it ensures safety, comfort, and confidence on any ride. Whether commuting to school, joining family outings, or tackling light off-road trails, this eBike stands out with Bosch-powered performance, kid-specific geometry, and modern styling.
Motor and Battery
- Motor: Driven by the Bosch Active Line Plus motor, the Twenty4 E provides a smooth and quiet ride with 50Nm of torque. This system is perfect for younger riders who want a boost on hills and longer trips without overwhelming power. It supports pedal assist up to 20 mph.
- Battery: Equipped with a Bosch PowerPack 500Wh battery, it delivers dependable range and long-lasting performance, allowing young riders to go the distance alongside adult companions. The battery is mounted low for optimal balance and safety.
- Charging: Rechargeable in approximately 4.5 hours with the Bosch 4A charger, making it easy to top off overnight or between rides.
Suspension and Frame
- Fork: A SR Suntour XCT-JR L 24” fork with 80mm of travel helps absorb bumps and shocks from uneven roads and trails, giving a smoother and more controlled ride.
- Frame: Constructed from 7005 aluminum, the frame is lightweight, durable, and designed with geometry tailored for youth riders. Internal cable routing contributes to a sleek and clean appearance. Offered in a 32 cm frame size to suit a wide range of younger riders.
Drivetrain and Brakes
- Gears: The Shimano Alivio 8-speed drivetrain gives reliable and precise gear changes, with enough range for climbing hills or cruising on flats. Ideal for riders who want a responsive setup that grows with their skill level.
- Brakes: Fitted with Tektro HD-M286 hydraulic disc brakes and 160mm rotors front and rear, the Twenty4 E offers excellent braking control and safety in all riding conditions, including wet or downhill sections.
Wheels and Tires
- Wheels: The 24-inch wheels strike a balance between stability and nimbleness, making the bike easier to maneuver while still handling rough paths and gravel confidently.
- Tires: Outfitted with Schwalbe Black Jack 24 x 2.10” tires, these all-terrain tires offer strong traction and low rolling resistance. Their versatile tread makes them suitable for both pavement and light trail use.
Additional Features
- Display: The Bosch Purion display provides essential ride data including speed, range, and assist level. It's easy to navigate and highly visible, even in sunlight—perfect for younger riders to stay informed and in control.
- Pedals: Comes with Wellgo pedals for secure foot grip and durability, supporting comfort and control during all types of rides.
- Saddle: The STYX youth saddle is ergonomically designed for younger riders, ensuring comfort over long rides and optimal support for developing riders.
Technology and Design
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- Class-1 eBike: Offers pedal assist up to 20 mph without a throttle, making it a safe and compliant option for younger riders in most areas.
- Kid-Optimized Geometry: Every aspect of the Twenty4 E is designed with youth in mind—from the shorter reach and lower standover height to the balance and responsiveness of the ride feel.
Key Takeaways
- The BULLS Twenty4 E brings premium eBike technology to the younger generation. Its Bosch powertrain, safety-focused components, and thoughtfully designed frame make it the perfect ride for kids who want to explore more, keep up with the family, or just experience the joy of eBiking. Whether it's school days or weekend trails, this bike delivers freedom, fun, and confidence in every ride.
BULLS Review: Extend your kids' outdoor adventures with the Twenty4 E from BULLS, epowered with the Bosch Active Line Plus motor and 500Wh battery.
EBR Review: The BULLS TWENTY4 E is a tough, sporty looking, high-quality, kids electric bike.
| Frame Size | 32(CM) | ||
|---|---|---|---|
| Seat Tube Length | A | 320mm | |
| Top Tube Length | B | 515mm | |
| Chain Stay Length | C | 430mm | |
| Bottom Bracket Offset | D | 30mm | |
| Head Tube Length | E | 120mm | |
| Head Tube Angle | α | 71° | |
| Seat Tube Angle | β | 73° | |
| Standover Height | 690mm | ||
| Wheelbase | 1040mm | ||
| Reach | 354mm | ||
| Stack | 528mm | ||
Active Plus Motor
The Bosch Active Line Plus (250W) motor is a solid pick for city commuters and weekend explorers. It’s smooth, silent, and seamlessly blends into e-bike frames, making every ride feel natural. Compared to its predecessor, it’s whisper-quiet—almost like it’s not even there. With 50Nm of torque, it’s got enough power for urban streets and light trails, adapting quickly to your pedaling force for an effortless experience. The motor supports a steady cadence (75-85 rpm), keeping your pace without feeling restricted. Plus, its minimal freewheel lag ensures instant engagement when you start pedaling.
Purion Display
The Bosch Purion display keeps e-bike controls simple, sleek, and efficient. Mounted on the handlebar, it shows speed, battery level, and assistance mode with an easy-to-navigate button layout—so riders can adjust settings without letting go. Its durability shines through in all weather, while the backlit screen ensures clear visibility for early morning or late-night rides. Plus, it seamlessly integrates with all Bosch e-bike motors, making it a reliable choice for commuters and casual riders alike.
PowerPack 500
The Bosch PowerPack 500 is a high-performance, lightweight battery built for extended e-bike rides. With 500Wh of power, it’s ready to tackle long distances and tough terrain while maintaining efficiency and durability with advanced lithium-ion tech. Weighing just 5.7 lbs, it’s easy to mount, carry, and swap out, featuring an integrated handle and 5-LED charge indicator for quick status checks. Compatible with Bosch Performance Line & CX systems, it charges on or off the bike, offering flexibility for every rider.