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Description
HKM-450579 72V 8000W Mid-Drive Electric Dirt Bike with 35AH Battery, Full Suspension, and Hydraulic Brakes - Off-Road MotorcycleHKM 450579 72V 8000W Electric Dirt Bike Electric Dirt Bike HKM 450579 72V 8000W Mid Drive Electric Dirt Bike Engineered for off road dominance. The HKM 450579 merges raw mid drive torque, long range endurance, and competition grade suspension into a single electrified platform built for riders who demand performance without compromise. 50 mph 80 km h Top Speed Maximum Velocity 6281 mi 100130 km Range Per Full Charge 10. 7 hp 8000W Mid Drive Motor Peak
HKM-450579 — 72V 8000W Mid-Drive Electric Dirt Bike
Engineered for off-road dominance. The HKM-450579 merges raw mid-drive torque, long-range endurance, and competition-grade suspension into a single electrified platform built for riders who demand performance without compromise.
50 mph
80 km/h Top Speed
Maximum Velocity
62–81 mi
100–130 km Range
Per Full Charge
10.7 hp
8000W Mid-Drive Motor
Peak Power Output
35 Ah
72V Lithium Battery
High-Density Cell Pack
Mid-Drive Powertrain — Precision Engineered for Torque
The heart of the HKM-450579 is an 8000-watt mid-drive motor delivering 10.7 horsepower of instantaneous electric thrust. Unlike hub-drive alternatives, the mid-drive configuration channels power through the bike's chain drive, leveraging the rear sprocket for multiplied mechanical advantage on steep ascents and technical terrain.
Instant Torque Delivery
Electric motors produce peak torque from zero RPM. The HKM-450579 responds to throttle input in milliseconds, delivering relentless acceleration that leaves combustion engines lagging behind on tight trails and rocky climbs.
Chain-Driven Efficiency
The mid-drive layout routes all 8000W through a heavy-duty chain and sprocket set, delivering up to 30% more wheel torque than comparable hub-motor designs when climbing grades exceeding 25 degrees.
Thermal Resilience
An integrated aluminum heatsink and internal air-cooling channels keep the motor operating within optimal temperature ranges even during sustained high-output riding, preventing power fade on long desert runs or extended hill climbs.
Regenerative Capability
The motor controller supports regenerative braking, recovering kinetic energy during deceleration and feeding it back into the battery. This extends range on hilly terrain and reduces brake pad wear over the life of the motorcycle.
72V 35Ah Lithium Power System — Ride Farther, Charge Less
A high-density 72-volt, 35-ampere-hour lithium battery pack provides the energy backbone for the HKM-450579. Engineered with automotive-grade cells and an intelligent battery management system, it delivers consistent power output across the entire state-of-charge spectrum.
62–81 mi Range
100–130 kilometers on a single charge under mixed riding conditions. Eco-mode cruising can push range even further on flat terrain.
Smart BMS
The Battery Management System continuously monitors cell voltage, temperature, and current. It prevents overcharge, over-discharge, and balances cells for maximum lifespan.
Fast Recharge
Compatible with standard 110–240V outlets. A full recharge from 0–100% takes approximately 5–7 hours using the included smart charger with LED status indication.
The 72V architecture is a deliberate engineering choice. Higher voltage reduces current draw for the same power output, minimizing resistive heat losses in the wiring harness and motor windings. This translates to cooler operating temperatures, improved efficiency at highway-equivalent speeds, and more consistent performance as the battery discharges. Riders can expect minimal voltage sag even below 20% state of charge, ensuring predictable throttle response throughout the entire ride.
The lithium cells used in the 35Ah pack are sourced from tier-one manufacturers and undergo rigorous testing before assembly. Each cell is individually fused, and the pack enclosure is sealed against dust and water ingress to an IP65 rating, providing confidence when riding through creek crossings, mud, and rain.
Full Suspension Architecture — Control Across Any Terrain
The HKM-450579 is equipped with a fully adjustable front and rear suspension system designed to absorb impacts, maintain tire contact, and keep the rider in command regardless of surface conditions.
Inverted Front Forks
High-performance inverted fork design reduces unsprung weight while increasing torsional rigidity. Multi-stage valving provides plush initial travel with progressive ramp-up near bottom-out, absorbing everything from small trail chatter to hard landings.
Rear Mono-Shock
A linkage-driven rear shock with adjustable preload and rebound damping allows riders to tune the rear end for their weight, riding style, and terrain. The progressive linkage ratio provides a supple initial stroke with excellent bottom-out resistance on big impacts.
Adjustable Geometry
Fine-tune ride height and steering geometry via the adjustable fork clamps and shock mount positions. Lower the bike for tighter trails or raise it for additional ground clearance on rocky terrain.
Long Travel
Generous suspension travel at both ends provides the articulation needed for serious off-road riding. The system soaks up rocks, roots, and ruts while maintaining composure during aggressive cornering and high-speed straightaways.
Hydraulic Disc Brakes — Confident Stopping Power
When speed meets terrain, reliable braking is non-negotiable. The HKM-450579 features a dual hydraulic disc brake system engineered for progressive feel, low maintenance, and consistent performance in wet and dry conditions.
Oversized Rotors
Large-diameter floating rotors front and rear provide increased heat dissipation and leverage for shorter stopping distances. Perforated rotor surfaces shed water and debris instantly, maintaining bite in muddy conditions.
Dual-Piston Calipers
Hydraulic calipers with dual opposed pistons clamp evenly on both sides of the rotor, delivering consistent pad pressure and eliminating the spongy feel associated with mechanical cable-actuated systems.
Ergonomic Levers
Forged aluminum brake levers with reach adjustment accommodate different hand sizes. The leverage ratio is optimized for one- or two-finger braking, preserving grip strength on long descents.
All-Weather Pad Compound
Sintered metallic brake pads offer consistent friction characteristics across a wide temperature range, from cold morning starts to sustained downhill braking, with minimal fade and excellent longevity.
Chassis Engineering — Lightweight Strength
The frame and swingarm are constructed from lightweight yet durable materials, designed to withstand the rigors of off-road riding while keeping overall weight low for agile handling.
Twin-Spar Frame
A rigid twin-spar aluminum frame delivers precise steering feedback and resists flex under hard acceleration and cornering loads. The design optimizes the balance between strength and weight.
Reinforced Swingarm
The box-section aluminum swingarm is internally ribbed for torsional rigidity, ensuring the rear wheel tracks true through rough terrain. Pivot bearings are sealed against contamination.
Optimized Center of Gravity
The battery pack and motor are positioned low in the chassis, centralizing mass for balanced weight distribution. The result is intuitive handling and confident cornering at speed.
Intelligent Ride Control — Power at Your Command
The HKM-450579 features selectable power modes and advanced electronic controls that adapt the motorcycle's character to the terrain and rider preference.
Three Power Modes
Eco mode extends range for long exploration rides. Sport mode unleashes full 8000W output for aggressive riding. A customizable intermediate mode balances power and efficiency for mixed conditions.
Digital Display
A bright, waterproof LCD display provides real-time speed, battery state-of-charge, power mode, trip distance, and voltage readouts. The screen remains legible in direct sunlight.
Throttle Mapping
The ride-by-wire throttle system features refined mapping for smooth power delivery. Each mode adjusts throttle sensitivity and maximum output to match the selected riding character.
Error Diagnostics
Built-in self-diagnostics continuously monitor motor, battery, controller, and sensor health. Error codes are displayed on-screen, enabling quick identification and resolution of issues.
Technical Specifications
Comprehensive specifications for the HKM-450579 electric dirt bike. All data represents measured performance under standard test conditions.
Powertrain
Motor Type
Mid-Drive, Permanent Magnet Synchronous
Peak Power
10.7 hp / 8000W
Rated Power
5.4 hp / 4000W Continuous
Drive System
Heavy-Duty Chain & Sprocket
Battery & Charging
Battery Type
Lithium-Ion, 72V 35Ah
Charge Time
Approx. 5–7 Hours (0–100%)
Range
62–81 mi / 100–130 km
BMS Protection
Overcharge, Over-Discharge, Thermal, Cell Balancing
Performance
Top Speed
50 mph / 80 km/h
Gradeability
Up to 30° Incline
Acceleration 0–30 mph
Under 4 Seconds (Sport Mode)
Chassis & Components
Frame
Twin-Spar Aluminum Alloy
Front Suspension
Inverted Fork, Adjustable
Rear Suspension
Linkage-Driven Mono-Shock, Adjustable
Brakes
Hydraulic Disc, Front & Rear, Dual-Piston Calipers
Wheels
Aluminum Rims with Stainless Steel Spokes
Tires
Knobby Off-Road, Puncture-Resistant
Why the HKM-450579 Stands Apart
In a growing market of electric off-road motorcycles, the HKM-450579 distinguishes itself through thoughtful engineering choices that prioritize real-world performance, durability, and rider confidence.
Mid-Drive Advantage
Unlike hub-drive electric dirt bikes, the mid-drive system places motor mass centrally and uses the chain drive for mechanical torque multiplication. This delivers superior climbing ability, more natural handling, and easier rear wheel removal for trailside repairs.
Zero Emissions, Maximum Access
Electric power means no exhaust fumes, near-silent operation, and access to areas where combustion engines are restricted. Ride respectfully through nature without disturbing wildlife or other trail users.
Lower Operating Cost
No fuel costs, no oil changes, fewer consumable parts. The electric drivetrain requires minimal routine maintenance compared to combustion engines. Simply charge, check chain tension, and ride.
Built for Durability
Every component from the sealed bearings to the reinforced frame has been selected for longevity in harsh off-road environments. This motorcycle is designed to endure seasons of hard riding with proper care.
Frequently Asked Questions
Answers to common questions about the HKM-450579 electric dirt bike.
What type of terrain is the HKM-450579 designed for?
The HKM-450579 is purpose-built for off-road use on trails, fire roads, desert terrain, woodland paths, and motocross-style tracks. Its full suspension system, knobby tires, and high ground clearance make it suitable for rocky, root-filled, and uneven surfaces. It is not homologated for public road use and should be ridden on private land or designated off-road areas.
How long does the battery last before needing replacement?
The 72V 35Ah lithium battery pack is rated for approximately 800–1,000 full charge cycles before capacity drops below 80% of its original specification. Under typical usage of two rides per week, this translates to several years of service. Proper storage practices—keeping the battery between 30% and 80% charge when not in use and avoiding extreme temperatures—will extend its lifespan considerably.
Can the HKM-450579 be ridden in wet conditions?
Yes. The electrical components, including the motor, battery pack, controller, and display, are sealed to an IP65 rating against dust and water ingress. This means the motorcycle can safely handle rain, puddle splashes, and shallow creek crossings. However, submersion of the battery or motor in deep water is not recommended and may void warranty coverage.
What maintenance does the HKM-450579 require?
Maintenance is minimal compared to combustion-engine motorcycles. Key tasks include checking and lubricating the drive chain every 200–300 miles, inspecting brake pad thickness, verifying spoke tension, and keeping suspension components clean. There is no engine oil to change, no air filter to replace, no spark plug to service, and no carburetor to tune. The battery requires no fluid checks or terminal cleaning beyond keeping the connector pins free of debris.
What is the weight of the HKM-450579?
The HKM-450579 has a curb weight of approximately 143 lbs (65 kg) including the battery. This lightweight construction contributes to its agile handling and makes it easier to maneuver on tight trails compared to heavier combustion-engine dirt bikes, while still providing the stability needed for high-speed off-road riding.
Is the battery removable for charging?
Yes, the 35Ah battery pack is designed to be removable. This allows convenient charging away from the motorcycle—ideal for apartment dwellers, riders storing the bike in a garage without power outlets, or those who wish to keep a spare battery for extended ride days. The battery locks securely into the frame with a keyed mechanism and can be removed in seconds.
Purchase with Confidence
Every HKM-450579 is backed by comprehensive customer protections designed to give you peace of mind from the moment you place your order.
Free Shipping on All Orders
Complimentary standard shipping to the contiguous United States. Your HKM-450579 arrives at your doorstep with no additional delivery charges.
180 Days Purchase Protection
Extended coverage against manufacturing defects for a full six months from the date of delivery, ensuring your investment is safeguarded.
30 Days Money-Back Guarantee
If the HKM-450579 does not meet your expectations, return it within 30 days of delivery for a full refund of the purchase price.
24 Months Warranty Service
A comprehensive two-year warranty covers the frame, motor, battery, controller, and all major components against defects in materials and workmanship.
The HKM-450579 is engineered for off-road recreational use. Always wear appropriate protective gear including a helmet, gloves, and boots. Ride responsibly and respect trail regulations. Product specifications are subject to continuous improvement and may vary slightly from published values. Performance data measured under controlled test conditions; individual results may vary based on rider weight, terrain, and riding style.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy