Suitcases >>
HKM-752851 Expandable 4-Piece Trolley Luggage Set with Wheels - 20, 24, and 28 Inch Sizes
HKM-752851 Expandable 4-Piece Trolley Luggage Set
Seamlessly blending modern design with uncompromising durability, the HKM-752851 collection redefines travel convenience. This comprehensive 4-piece set—featuring 20-inch, 24-inch, and 28-inch spinners—equips you for everything from overnight business trips to extended vacations. Each case expands to accommodate those extra souvenirs, while whisper-quiet wheels and precision-engineered handles make navigation effortless.
Expandable Capacity
Intelligent expansion system adds up to 2 inches of extra depth, increasing packing volume by approximately 15% without compromising stability.
Silent 360° Spinner Wheels
Eight precision ball-bearing wheels glide smoothly over any surface, reducing friction and noise for effortless airport navigation.
Multi-Layer Shell
Engineered with a 3-layer composite ABS+PC structure featuring a micro-diamond textured finish that resists scratches and impacts.
Precision Dimensions & Weights
20-Inch Carry-On
External: 20″ × 13.5″ × 9″ (50.8 × 34.3 × 22.9 cm)
Expanded Depth: +2″ (5.1 cm)
Weight: 6.2 lbs (2.8 kg)
Volume: 36 L (expandable to 42 L)
24-Inch Medium
External: 24″ × 16″ × 10.5″ (61.0 × 40.6 × 26.7 cm)
Expanded Depth: +2″ (5.1 cm)
Weight: 7.9 lbs (3.6 kg)
Volume: 66 L (expandable to 76 L)
28-Inch Large
External: 28″ × 18.5″ × 12″ (71.1 × 47.0 × 30.5 cm)
Expanded Depth: +2″ (5.1 cm)
Weight: 9.7 lbs (4.4 kg)
Volume: 93 L (expandable to 107 L)
All measurements reflect the exterior dimensions including wheels and handles. Expansion increases depth only; width and height remain unchanged. Weight may vary slightly due to manufacturing tolerances.
Advanced Shell Engineering
Micro-Diamond Armor Texture
The exterior undergoes a specialized embossing process that creates a dense micro-diamond pattern. This not only delivers a premium matte aesthetic but also diffuses minor abrasions, keeping your luggage looking new trip after trip.
ABS+PC Composite Layering
A fusion of acrylonitrile butadiene styrene and polycarbonate yields exceptional impact resistance and flexibility. The material absorbs shocks and returns to shape, minimizing dents during rough handling.
Ergonomic Multi-Stop Handle
Telescopic Aluminum Trolley
The high-grade aluminum alloy tubes are anodized for corrosion resistance. A push-button locking mechanism provides instant height adjustment across 3 predefined stops, accommodating users of varying statures.
Minimal Wobble Design
Reinforced guide channels keep the handle steady even when fully extended, reducing lateral sway and delivering confident control through crowded terminals.
Wheel System: Smooth & Silent
Dual-Wheel Spinners
Each corner houses a double-wheel assembly with sealed ball bearings. They rotate independently, offering true multi-directional movement and reducing effort when pushing alongside you.
Shock-Absorbing Tread
A specialized thermoplastic elastomer (TPE) tire material dampens vibration and reduces audible noise to below 55 dB on smooth surfaces, ensuring a discreet presence wherever you go.
Thoughtful Interior Organization
Dual Compartments
A fully lined interior divider with a zippered mesh pocket separates clean garments from shoes or toiletries. Compression straps on both sides keep folded items in place.
Multiple Quick-Access Pockets
Exterior front pockets with water-resistant zippers grant instant access to travel documents, power banks, and boarding passes without opening the main compartment.
Security Meets Peace of Mind
TSA-Approved Combination Lock
Built into the side of the 24-inch and 28-inch cases, the TSA lock allows security agents to inspect your luggage without damaging the case. You set a personalized 3-digit code for reliable protection.
Tamper-Resistant Zippers
Oversized interlocking zipper teeth and reverse-coil construction resist forced entry. The zipper pulls can be secured into the TSA lock, creating a unified anti-theft system.
Expandable Flexibility
Standard Mode
Expanded (+2″ Depth)
A single zip-around expansion gusset allows each piece to grow by 2 inches in depth. This thoughtful feature is invaluable when returning with more than you packed—without needing an extra bag.
Every Detail Considered
Cushioned Top & Side Handles
Soft-touch rubber grips reduce hand fatigue during lifting. The handles retract flush when not in use.
Color-Fast Lining
The premium polyester interior resists fading and stains, maintaining a fresh appearance over years of use.
Reinforced Corners
Extra material thickness at vulnerable impact zones significantly enhances drop resistance.
Anti-Scratch Feet
Molded side feet let the case stand securely on its side without touching the ground, preserving the shell.
Frequently Asked Questions
Can the 20-inch carry-on fit in overhead bins?
Yes. The 20-inch case is designed to comply with most major domestic and international carry-on size restrictions (including expanded mode, though we recommend checking with your airline). When not expanded, it easily fits in standard overhead compartments.
How does the expansion mechanism work?
A secondary zipper runs along the perimeter of the case. Unzip it to release an extra panel of fabric, increasing the depth by approximately 2 inches. The expanded case remains stable and upright even when fully packed.
Are the wheels replaceable?
The spinner wheels are secured with durable housings. While not designed for user replacement, they are engineered for high mileage. Should any issue arise, contact our support team for service options within the warranty period.
Is the shell truly scratch-resistant?
The micro-diamond texture minimizes visible scratches by dispersing contact points. While no material is completely scratch-proof, this finish keeps the luggage looking newer longer compared to smooth glossy surfaces.
Can I use the TSA lock on international flights?
Absolutely. The TSA-approved lock can be used globally; security agencies in the US and many other countries have universal master keys to open it without cutting the lock or damaging your luggage.
Your Journey, Assured
Free Shipping
On all orders, no minimum purchase required.
180-Day Protection
Purchase protection covers accidental damage during transit.
30-Day Returns
Money-back guarantee if you're not completely satisfied.
24-Month Warranty
Comprehensive coverage against manufacturing defects.
HKM-752851 Expandable Luggage Set — Engineered for modern explorers who demand durability, flexibility, and timeless design.
Every product we offer includes a 180-day purchase protection plan at no additional cost. This coverage extends beyond a standard warranty, reflecting our confidence in product quality and our ongoing commitment to your satisfaction.
The protection plan is designed to provide practical help in real-world situations. Whether you encounter a manufacturing issue, a performance problem, or an unexpected accident, our team is ready to assist with clear, fair solutions.
What Is Covered
Manufacturing Defects
We replace items with material or workmanship flaws at no charge.
Performance Failures
Free repair or replacement if the product fails under normal use.
Accidental Damage
One-time courtesy replacement at a reduced price.
Zero Hidden Fees
All shipping costs for replacements and returns are covered.
How to File a Claim
How This Differs from the Warranty
The 180-day purchase protection includes accidental damage and performance failures that are typically not covered by a standard warranty. It provides an additional layer of support during the first six months after purchase, giving you greater confidence and peace of mind.
We want you to be completely satisfied with your purchase. If for any reason you are not fully happy, you may return your item within 30 days of delivery for a full refund. No lengthy forms, no unnecessary questions.
Our return policy is built on a simple principle: if the product is not right for you, we will make it right. We understand that online shopping involves trust, and we work hard to earn that trust with every order.
Return Eligibility
30-Day Window
Request a return within 30 days of delivery.
Original Condition
Unworn or unused, with tags and original packaging.
Proof of Purchase
A receipt or order number is required.
Fast Refund
Refund processed within 10 business days.
How to Start a Return
Returns & Exchanges Overview
Damages & Exchanges
Please inspect your order as soon as it arrives. If the item is defective, damaged, or incorrect, contact us immediately so we can evaluate the issue and make it right. For exchanges, the fastest option is to return the original item and place a new order for the replacement.
We believe in the quality of our products, and we want you to share that confidence. Every product is backed by a 24-month warranty covering all structural and functional components, including zippers, buckles, straps, and fabric integrity.
The warranty is designed to be simple and accessible. You only need your proof of purchase to begin a claim, and our team will assess the issue promptly. If a manufacturing issue arises, we will make it right.
What the Warranty Covers
Comprehensive Coverage
Every part warranted for two full years.
Free Repair or Replacement
Whichever is faster, at no cost to you.
Quick Turnaround
Claims assessed within 1 business day.
Transferable
Warranty follows the product, not the owner.
How to File a Warranty Claim
Every order ships free—no minimums, no hidden fees. We currently deliver across the United States and are actively working to expand to more countries. We partner with reliable U.S. courier services to ensure your order arrives safely and on time.
Our delivery process is designed for transparency. From the moment you place your order to the moment it reaches your door, you receive clear updates at every stage. We carefully inspect each product before dispatch, and we provide tracking information as soon as your order ships.
Our U.S. Shipping Partners
USPS
Official national carrier with nationwide coverage.
UPS
Fast and reliable ground and express shipping.
FedEx
Express delivery with real-time tracking.
DHL eCommerce
Efficient parcel delivery for e-commerce shipments.
Delivery Process
Delivery Time Summary
Cancellations & Taxes
You may cancel your order at any time before it ships. All product prices include applicable taxes, and there are no additional VAT or customs fees for orders delivered within the United States.
Whether you have a question, need help with an order, or just want some advice, our support team is available around the clock. We don't just respond to messages—we work with you to find real solutions that fit your needs.
Our support specialists are trained to handle a wide range of requests, from product recommendations to technical troubleshooting. No matter the question, you can expect a professional and friendly response.
How We Can Help
Product Guidance
Our experts help you choose the right product.
Order Assistance
Modify orders, track shipments, or speed up delivery.
Warranty & Returns
Start claims or returns quickly and easily.
Technical Troubleshooting
Step-by-step solutions for product issues.
Contact Information
24/7 Phone
+1 (209) 280-3200
support@hekomart.com
Address
3401 Dale Rd, Modesto, CA 95356
Support Hours
Available 24 hours a day, 7 days a week
