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Description
HKM-251667 Electric Bike with 500W/1000W Motor, 20" Aluminum Alloy Frame, 7 Speed, Hydraulic Disc Brakes, 48V 20AH BatteryHKM 251667 Electric Bike Product Description Electric Commuter Bike HKM 251667 Electric Bike Precision engineered for the modern rider. A seamless blend of robust power, extended range, and refined design purpose built to transform every journey, whether navigating city streets or exploring winding country roads. Performance at a Glance Engineered specifications that define a superior riding experience from motor output to battery endurance, every
HKM-251667 Electric Bike
Precision-engineered for the modern rider. A seamless blend of robust power, extended range, and refined design — purpose-built to transform every journey, whether navigating city streets or exploring winding country roads.
Performance at a Glance
Engineered specifications that define a superior riding experience — from motor output to battery endurance, every metric reflects thoughtful engineering.
500W / 1000W
Motor Power
Peak output for demanding terrain
48V 20AH
Lithium Battery
31–93 mi range (50–150 km)
19–31 mph
Top Speed
30–50 km/h assisted
52–59 lb-ft
Torque
70–80 Nm climbing power
~3+ Hours
Charge Time
Quick recharge, less downtime
330 lbs
Max Load
150 kg payload capacity
Robust Motor & Seamless Shifting
At the heart of the HKM-251667 lies a high-torque brushless hub motor paired with a precision 7-speed Shimano derailleur — delivering responsive acceleration, smooth gear transitions, and unwavering reliability across diverse riding conditions.
500W Nominal / 1000W Peak Motor
The brushless rear hub motor delivers ample torque for steep inclines and swift urban acceleration. With a peak output of 1000W, riders can confidently tackle gradients and headwinds without compromising efficiency. The motor's quiet operation ensures a serene ride, while its sealed construction protects against dust and moisture ingress.
7-Speed Shimano Derailleur
The Shimano 7-speed drivetrain provides crisp, reliable gear changes that adapt to your cadence and the terrain ahead. Whether you're cruising on flat pavement or climbing a gradual hill, the wide gear range ensures optimal pedaling efficiency. The indexed shifting mechanism minimizes chain slippage and enhances overall ride quality.
Extended Range Lithium Battery
A high-density 48V 20AH lithium-ion battery pack powers your adventures with confidence. Engineered for longevity and consistent output, the battery delivers an impressive range of approximately 31 to 93 miles (50–150 km) on a single charge, depending on terrain, rider weight, assist level, and riding style.
48V 20AH High-Density Cells
Premium lithium-ion cells deliver consistent voltage output throughout the discharge cycle. The battery pack is strategically positioned for optimal weight distribution, contributing to stable handling and a low center of gravity. Each cell undergoes rigorous quality testing before assembly.
Rapid ~3+ Hour Charging
The included smart charger replenishes the battery efficiently, minimizing downtime between rides. An LED indicator communicates charging status at a glance. The battery can be charged on or off the bike for added convenience, whether at home, in the office, or at a charging station.
Lightweight Aluminum Alloy Frame
The HKM-251667 is built around a meticulously engineered aluminum alloy frame that strikes an ideal balance between weight savings and structural integrity. This material choice ensures corrosion resistance, long-term durability, and a responsive ride feel that steel frames simply cannot match.
Precision-Welded Aluminum Alloy
The frame undergoes precision TIG welding at critical junctions, ensuring clean seam lines and uniform strength distribution. The aluminum alloy's natural resistance to oxidation means the frame maintains its appearance and structural properties even after exposure to rain, humidity, and varying temperatures.
20-Inch Wheels for Nimble Handling
The 20-inch wheel diameter strikes an optimal balance between agility and stability. Smaller wheels accelerate quicker and respond faster to steering inputs, making the bike exceptionally maneuverable in congested urban settings. The wheel size also contributes to a lower standover height for easier mounting and dismounting.
330 lbs (150 kg) Load Capacity
With a robust maximum load rating, the HKM-251667 accommodates riders of varying builds along with cargo. The reinforced frame geometry and spoke pattern distribute weight evenly, maintaining handling composure even when fully loaded. Ideal for commuting with panniers or running errands around town.
Hydraulic Disc Braking System
Confidence-inspiring stopping power is essential for any electric bike. The HKM-251667 features a hydraulic disc brake system that delivers consistent, modulated braking performance in both dry and wet conditions — because safety should never be compromised.
All-Weather Stopping Power
The hydraulic calipers apply even pressure to both sides of the rotor, eliminating uneven pad wear and ensuring predictable braking. In rainy or muddy conditions, the disc brake design sheds water and debris quickly, maintaining reliable friction between pad and rotor surfaces.
Low-Maintenance Hydraulic System
Unlike cable-actuated brakes that require periodic tension adjustments, the sealed hydraulic system maintains consistent performance with minimal upkeep. The mineral oil fluid resists temperature fluctuations, ensuring reliable braking from cold morning commutes to hot afternoon rides.
Engineered for Comfort & Versatility
Beyond raw specifications, the HKM-251667 is tuned to deliver a ride experience that feels natural, composed, and genuinely enjoyable. From the ergonomic contact points to the thoughtfully selected componentry, every detail contributes to rider comfort over short commutes and extended journeys alike.
Optimized Riding Geometry
The frame geometry places the rider in a slightly upright yet engaged position, reducing strain on the lower back and wrists during longer rides. The balanced weight distribution between the front and rear wheels enhances cornering confidence and straight-line stability at higher speeds.
Intuitive Pedal Assist System
The pedal assist sensor delivers power smoothly and proportionally to your pedaling input, avoiding the jerky engagement common in lesser systems. Multiple assist levels let you fine-tune the balance between motor contribution and battery conservation, adapting to your energy level and route profile.
Quiet & Refined Operation
The brushless motor operates with minimal acoustic signature, allowing you to enjoy the ambient sounds of your surroundings. Whether gliding through a quiet neighborhood or cruising along a nature trail, the near-silent powertrain enhances the overall sensory experience of the ride.
Complete Component Breakdown
A transparent look at every specification that defines the HKM-251667. From frame material to torque figures, these details reflect a commitment to quality engineering and rider-focused design.
Why the HKM-251667 Stands Apart
In a market crowded with electric bikes, the HKM-251667 distinguishes itself through thoughtful engineering choices, premium component selection, and a holistic approach to ride quality. Here's what sets it apart from conventional alternatives.
Genuine Shimano Components
Unlike bikes that use generic or unbranded drivetrain parts, the HKM-251667 features authentic Shimano components. This ensures precise shifting, long-term durability, and wide availability of replacement parts and service expertise worldwide.
Hydraulic vs. Mechanical Brakes
Many e-bikes in this category use cable-actuated mechanical disc brakes that require frequent adjustment. The hydraulic system on the HKM-251667 offers superior modulation, reduced maintenance, and consistent pad-to-rotor contact for confident stopping in all conditions.
20AH Battery Capacity
Competitors often equip bikes with smaller 10AH–15AH batteries, limiting real-world range. The 20AH capacity of the HKM-251667 provides a meaningful buffer, reducing range anxiety and enabling longer rides between charges — a critical advantage for commuters and recreational riders alike.
Aluminum Alloy Advantage
Steel frames are heavier and prone to rust over time. The aluminum alloy construction of the HKM-251667 reduces overall weight, improves corrosion resistance, and provides a livelier ride feel — translating to better efficiency and easier handling during both powered and unpowered riding.
Common Questions About the HKM-251667
Find answers to the most commonly asked questions about this electric bike's performance, maintenance, and everyday usability.
What real-world range can I expect from the 48V 20AH battery?
Real-world range varies based on several factors including rider weight, terrain, assist level, tire pressure, and ambient temperature. On flat terrain at moderate assist levels with a 165 lb (75 kg) rider, you can expect approximately 55–75 miles (90–120 km). At maximum assist on hilly terrain with a heavier load, range may be closer to 31–40 miles (50–65 km). The 20AH capacity provides a generous buffer compared to smaller batteries commonly found in this category.
How does the hydraulic disc brake system perform in wet conditions?
Hydraulic disc brakes maintain consistent performance in wet weather because the rotor and pads shed water rapidly during rotation. Unlike rim brakes, which can lose significant stopping power when rims are wet, the disc brake design ensures reliable deceleration. The sealed hydraulic lines also prevent water ingress, maintaining firm lever feel regardless of external conditions.
Is the battery removable for charging?
Yes, the 48V 20AH lithium battery is designed to be removable, allowing you to charge it conveniently indoors — at home, in the office, or anywhere with a standard electrical outlet. The battery locks securely into the frame during rides and can be released with a key for charging or security purposes. Charging takes approximately 3+ hours from empty to full using the included smart charger.
What is the maximum rider weight this bike can support?
The HKM-251667 has a maximum load capacity of 330 lbs (150 kg), which includes the rider's weight plus any cargo, panniers, or accessories. The reinforced aluminum alloy frame, robust spoke pattern, and sturdy rear rack mounting points are engineered to handle this load while maintaining stable, predictable handling characteristics.
How does the 7-speed Shimano derailleur enhance the riding experience?
The Shimano 7-speed derailleur provides a wide gear range that allows you to maintain an efficient pedaling cadence across varying terrain. Lower gears make climbing hills easier by reducing pedaling resistance, while higher gears enable you to contribute meaningful pedal input at higher speeds without spinning out. The indexed shifting mechanism ensures each gear change is crisp and predictable.
What type of terrain is the HKM-251667 best suited for?
This electric bike excels on paved roads, bike paths, gravel trails, and moderate off-road terrain. The 20-inch wheels with appropriate tire tread provide confident grip on hardpack surfaces, while the 52–59 lb-ft (70–80 Nm) of torque ensures strong climbing capability on grades. It is designed primarily as a commuter and recreational e-bike rather than an extreme off-road or mountain biking machine.
Customer Protection & Assurance
Every HKM-251667 purchase is backed by comprehensive customer protection policies designed to give you complete peace of mind — from the moment you place your order through years of ownership.
Free Shipping on All Orders
Complimentary standard shipping on every HKM-251667 purchase. Your bike is carefully packaged and fully insured during transit, with tracking provided from dispatch to delivery.
180 Days Purchase Protection
An industry-leading 180-day protection window that covers manufacturing defects and ensures your investment is safeguarded well beyond the typical warranty period offered by competitors.
30 Days Money-Back Guarantee
If you're not completely satisfied with your HKM-251667, you may return it within 30 days of delivery for a full refund. We believe in the quality of our product and want you to ride with complete confidence.
24 Months Warranty Service
A comprehensive 24-month warranty covering the motor, battery, frame, and electronic components against manufacturing defects. Our dedicated support team is ready to assist with any warranty claims or technical inquiries.
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