SKU: 5729428818

HKM-553875 Electric Road Bike 48V 19.2Ah Lithium Battery, 750W Brushless Motor, 26" Aluminum Frame, 7-Speed, Hydraulic Disc Brake

Sale price$675.00 Regular price$750.00
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Description

HKM-553875 Electric Road Bike 48V 19.2Ah Lithium Battery, 750W Brushless Motor, 26" Aluminum Frame, 7-Speed, Hydraulic Disc BrakeHKM 553875 Electric Road Bike Precision engineering meets effortless commuting designed to move you faster, farther, and smarter. 750W Hightorque brushless motor 921. 6Wh 48V 19. 2Ah lithium pack 37+ mi Range (60+ km) per charge 2430 mph Top speed (3848 km h) Seamless Power, Intelligent Ride The HKM 553875 integrates a refined 750watt brushless rear hub motor that delivers consistent, responsive acceleration from the first pedal stroke. Its sinusoidal

HKM-553875 Electric Road Bike

Precision engineering meets effortless commuting — designed to move you faster, farther, and smarter.

750W High‑torque brushless motor
921.6Wh 48V 19.2Ah lithium pack
37+ mi Range (60+ km) per charge
24–30 mph Top speed (38–48 km/h)

Seamless Power, Intelligent Ride

The HKM-553875 integrates a refined 750‑watt brushless rear hub motor that delivers consistent, responsive acceleration from the first pedal stroke. Its sinusoidal controller minimizes noise and vibration, allowing you to cruise through city streets or ascend moderate inclines without harsh surges. Whether you’re using the responsive pedal‑assist system or the convenient thumb throttle, the motor adapts instantly to your input — providing a natural riding sensation that feels like an extension of your own strength.

Endurance‑Grade Battery Architecture

At the core of its long‑distance capability lies a 48V 19.2Ah lithium‑ion battery pack, carefully arranged with high‑energy‑density 21700 cells. This translates to a total capacity of 921.6 watt‑hours, enough to cover more than 37 miles (60 km) on a single charge under typical mixed‑terrain conditions. An advanced Battery Management System (BMS) continuously monitors individual cell voltage, temperature, and charge balance, protecting against overcharge, deep discharge, and short circuits — extending battery lifespan and ensuring peace of mind on every ride.

The removable pack locks securely into the downtube, enabling convenient off‑bike charging. A full recharge takes approximately 4.5–6 hours using the included 48V 2A smart charger, which automatically switches to trickle mode once optimal voltage is reached.

Lightweight 26″ Aluminum Chassis

The foundation is a hydroformed 6061 aluminum alloy frame designed around responsive 26‑inch wheels. This wheel size strikes a proven balance between agile handling and rollover capability on uneven pavement. The frame’s butted tubing reduces weight without sacrificing torsional stiffness, while the carefully tuned geometry places the rider in a confident, slightly forward position that reduces fatigue on longer rides. Internal cable routing keeps the silhouette clean and protects shift and brake lines from the elements.

Hydraulic Disc Brakes — All‑Weather Confidence

Stopping power is delivered by front and rear hydraulic disc brakes, featuring dual‑piston calipers and stainless‑steel rotors. The fully sealed hydraulic system requires minimal maintenance while providing progressive, modulated braking even in wet or dusty conditions. Whether you’re descending a rain‑slicked overpass or threading through rush‑hour traffic, the braking performance remains predictable, quiet, and powerful — a critical safety asset.

7‑Speed Drivetrain & Effortless Shifting

The Shimano‑compatible 7‑speed cassette and rear derailleur give you the right gear for every scenario. Click through the ratios with a precise thumb shifter to maintain a comfortable cadence: spin easily up inclines in lower gears, or push higher speeds on flats without feeling spun‑out. Combined with the motor’s assist, the system lets you fine‑tune your output — preserving battery when you want extra range, or maximizing acceleration when you crave thrill.

Intuitive Cockpit & Rider Interface

A backlit LCD display sits flush within the reach of your thumb, presenting real‑time speed, battery level, pedal‑assist mode (0–5), trip distance, and odometer. The interface is readable under direct sunlight and automatically adjusts brightness. Handlebar‑mounted controls allow you to toggle assist levels or activate the thumb throttle without removing your hands from the grips — letting you stay focused on the road ahead.

Puncture‑Resistant Tires & Vibration Damping

Fitted with 26″ x 1.95″ multi‑surface tires that feature a puncture‑resistant casing and a continuous center ridge for low rolling resistance on pavement. Subtle side knobs provide additional grip when cornering on gravel or hardpack paths. The tires work together with a suspension fork (optional on select builds) and a compliant alloy seatpost to absorb high‑frequency road buzz, helping you arrive fresher after longer commutes.

Integrated Safety Lighting

A high‑output LED headlight and a multi‑mode rear light are wired directly to the main battery. The headlamp casts a wide, even beam with side‑visibility cutouts, while the rear light features both steady and flashing modes. Powered by the bike’s central battery, these lights never need separate charging — a small detail that makes daily commuting safer and more convenient.

Technical Specifications

Motor
750W brushless rear hub
Battery
48V 19.2Ah (921.6Wh) Li‑ion
Range
37+ mi (60+ km)
Top Speed
24–30 mph (38–48 km/h)
Frame
26″ 6061 aluminum alloy
Gearing
7‑speed rear derailleur
Brakes
Hydraulic disc, 160mm rotors
Tires
26″ x 1.95″ puncture‑resistant
Display
Backlit LCD, 5 assist levels
Charger
48V 2A smart charger
Weight
Approx. 52 lb (23.6 kg) including battery
Throttle
Thumb throttle + pedal assist

Frequently Asked Questions

How long does it take to fully charge the battery?

Using the included 48V 2A smart charger, a full charge takes approximately 4.5 to 6 hours. The charger automatically enters a maintenance float mode once the battery reaches capacity, preventing overcharging.

Is the battery removable?

Yes. The battery locks securely into the downtube and can be released with a key for off‑bike charging or secure storage. This design also simplifies battery swapping for extended adventures.

What is the maximum load capacity?

The robust aluminum frame and reinforced rear rack mounts support a total payload (rider + cargo) of up to 300 lb (136 kg). For optimal range and handling, we recommend staying within this limit.

Do I need a license or insurance to ride this e‑bike?

Regulations vary by jurisdiction. In most U.S. states, this electric bicycle falls under Class 2/3 e‑bike legislation, meaning no license or registration is required, but a helmet and minimum age restrictions may apply. Always check local laws before riding.

Is the bike water‑resistant?

The electronics, battery compartment, and motor are sealed to meet an IP54 water‑resistance rating, meaning they withstand splashes and light rain. However, the bike should not be submerged or pressure‑washed.

Why the HKM-553875 Fits Your Lifestyle

Modern mobility demands a vehicle that adapts to your rhythm. The HKM-553875 eliminates the compromises found in traditional bikes and heavy electric scooters. You get the athletic feel of a road bike with the boost of an electric drivetrain — ride hard on the way home, or arrive sweat‑free at the office. The geometry, range, and intuitive controls make it equally suited for weekday commuting, weekend fitness loops, and spontaneous explorations.

Compared to similar 750W e‑bikes, the HKM-553875 distinguishes itself through a larger 921.6Wh battery (many competitors pack 672Wh or less) and a refined hydraulic brake system. The 26″ wheel platform ensures replacement tires and tubes are widely available, while the aluminum frame remains resistant to corrosion. Plus, the hidden‑cable design and integrated lighting reflect attention to detail that riders appreciate.

Peace of Mind, From Click to Pavement

Free Shipping on All Orders
We deliver your HKM-553875 at no extra cost, securely packaged and fully trackable.
180 Days Purchase Protection
Extended peace of mind against manufacturing defects, so you ride with confidence.
30‑Day Money‑Back Guarantee
If the ride isn’t for you, return it within 30 days for a full refund — no hassle.
24‑Month Warranty Service
Coverage on motor, battery, and frame against material and workmanship issues.

Specifications and range estimates are based on standard testing conditions (rider weight 165 lb / 75 kg, level terrain, pedal‑assist mode). Actual performance may vary with load, terrain, wind, 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:
  1. 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
SKU: 5729428818

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4.3 ★★★★★
Based on 17 reviews
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Product Reviews
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Verified Purchase
Wiseoldman
Phoenix, US
★★★★★ 5
Brindle Boxer and yellow lab, 2 different approaches
Style: Talking Babble, Size: Medium
Our Brindle Boxer absolutely loves this toy! We got one of the small babble balls from a friend and "Baron" took right to it. Very funny watching him, once he realized that when he bumped or otherwise jostled it, it would talk! After about an hour of him tossing and "nosing" it around (not bad on carpet but on our hardwood floors, it can get a little grating), he started chewing on it. We're like, "OK, here we go, how long is this thing going to last now?". To our surprise, it's holding up pretty well. He's a chewer that can really munch down when he gets into a "groove" and it is taking a beating although it is not indestructible so keep an eye on it. There are 2 screws that hold the door in, which is crafted very well but be sure they are always in there tight. To avoid any issues, once we replaced the batteries the 1st time, we took out the screws and glued the door in and left the screws out. By the time the batteries are dead this time, the ball will be ready to throw out for sure. Not bad for longevity IMHO. Our dogs can chew a Kong ball up in a couple days once they get a crack in it. if there's a weak point on a dog toy, our dog will find it!....:-) Our other dog is Dusty, our yellow lab. Sweet loving dog with that "lab" mentality", all love and slobber :-) He looks at the Babble ball with mild amusement and walks on past it. Every once in awhile, he'll pick it up but that's usually only a ploy he uses when we're petting the "other one" (A name, we're sure Dusty uses when he refers to Baron). I imagine he would actually like this toy more, had Baron not taken it and cuddled it like his own new born baby the second it hit the floor and commandeered the 2nd one just as fast!! :-) The Small size one (A little larger than a golf ball) has ridges on it and takes a beating. Once it started looking haggard and the batteries started to die, we would put it up and only bring it out for short periods to prolong the life of it until we could find where these were sold. Baron had become "addicted to the darn thing! :-) He would whine and stare at it on the shelf for what seemed like hours until one of us would get it down and give it to him. Since the small one seemed just "bit small" for our Boxer for our tastes and surely too small for our lab, we decided to get the next size up. The Medium one has a smooth surface which also holds up very well although, that once "smooth surface", will start to resemble a Tennis ball after a while but it takes a licking and keeps on ticking! The "Talking" is amusing for us for about the 1st hour but it is a little loud with fresh batteries and can be annoying when watching TV or talking on the phone. After about a week though, the batteries start to drain some and the volume goes down a bit. Baron will only pick it up a few times a day from there on out so when he gets in the mood, he'll toss it around for about 15 minutes then leave it alone for a while. I can work with that. :-) All in all, We are impressed with the quality AND the "FUN FACTOR" for both us, and our Puppies! We're Babble ball fans for life! (Can we get a discount, if we buy them by the case? :-)
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Reviewed in the United States on March 5, 2011
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Verified Purchase
Ladybug
Houston, US
★★★★★ 5
A GREAT FUN TOY FOR A FUR BABY, SMALL, MEDIUM OR LARGE.
Style: Blinky Babble, Size: Large, Style: Blinky Babble, Size: Large
I bought this for my 4 month old ShitZhu. It is the best toy I have bought for any of my 60 years of owning a dog. This little girl, Chrissy, named for my son who was 50 and passed away 10 years ago. She is the sweetest puppy I have ever had. She loves everybody, will go to anybody, child or adult, and loves other dogs, small - medium. She weighs 5 lbs now, but will grow to about 8-12 lbs. The best size for me, as I will be 86 in a few months and needed something small enough that I could handle it. My last dog at 15 I lost a year ago. It took me that long to see if I could handle a new puppy. I am doing awesome with her. It is me and her with my daughter seeing her every day on her lunch hour. This ball is something else. She plays with it all over the house, rolls it, moves it and even picks it up with her teeth. She gets so much exercise with this ball. I just bought one for my Niece's pup Poppy when she comes over. I also bought two large ones for my Son's two Healers that love to play ball. They haven't seen them yet. One for each that they will get tomorrow. I can't say enough about this ball. It makes watching the pups play with it for entertainment so much fun. This little one has made my blood pressure gone done. I have had dogs all my life and when I lost my last one, my blood pressure went up about 4 months later. I had never had high blood pressure. Since Chrissy came into my life (2 months ago) I now have blood pressure in the 120/78 range. She will keep me young so I can life a long, healthy and happy life. My Son in Heaven is making her into a little tom boy puppy. He would love her as a girl, but he has taught her how to drink out of a dripping hose. She is so fun to watch. If you have dogs of any size, you will love getting this ball for your fur baby and watch how they play with it. This is indeed a great toy. Have a happy life with your fur babies.
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Reviewed in the United States on July 15, 2025
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Verified Purchase
Teresa A Hanson-Burkhart
Dallas, US
★★★★★ 4
Toy encourages self play and exercise. BONUS: Provides hilarious entertainment for pet owner!
Style: Animal Sounds Babble, Size: Large
My Havanese loves this toy. It keeps him occupied for long periods of time. There are so many different animal sounds...some which are a bit annoying. The good news is because there are so many different sounds, we are all spared from hearing the shrill and annoying ones repeatedly. It is a "HOOT" to watch him chase the ball around. He bats the ball back and forth between his front paws almost as if he's playing soccer. He also has two "talking" babble balls, one small and one large. Havanese are people loving people pleasers so it's not surprising he seems to like human voice phrases of Talking Babble ball. I read many reviews on this product and the Talking Babble ball prior to purchase. Several review stated the purchasers pets had successfully chewed the ball causing the interior components to be exposed and thus caused a choking hazard. I ordered the toy anyway. My 9 month old Havanese is an active playful pup, but has barely made a scratch mark on either size of these balls. He doesn't chew on the balls he chases them. If your dog is a small breed, I do not think you need to be worried about this toy being a safety hazard. I only gave the product 4 stars because despite my purchase of the largest size, the ball still gets caught/lost under the couch, china cabinet, TV hutch, as well as the refrigerator and kitchen cabinets toe kicks....UGH. I purchase a fantastic pet playpen when I was in the thick of house training my puppy. I've tried putting the balls in the playpen, leaving both pen doors open. Although large enough for him to roll and chase the balls...he tries to flip them over the bottom lip of the pen and out the door. He has been successful in his attempts, but he has been successful at moving the playpen at least 4-5 feet while trying. Hmmm... It's frustrating, as I have STOP my activities & work often to retrieve the balls that have rolled under furniture etc. I've tried using long strips of cardboard boxes to block various problem ball "disappearsing" spaces. Not only is the cardboard unattractive, but it seems the spaces are never ending. 😜 I have considered buying plexiglass and cutting it into the necessary lengths etc. YEPPER...TO MUCH WORK!!! So my request is: " Pet Qwerks, My dog loves your product and so do I. Please make the same toy but in a larger size so that it does get caught under the bottom of average height furnishings ( 4.5 inches in diameter) . I suggest a 5" diameter ball."
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Reviewed in the United States on January 12, 2017
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Verified Purchase
Placeholder
Alexandria, US
★★★★★ 3
A TINY HACK = 5 STAR multisensory dog doy for older dog
Style: Talking Babble, Size: Small, Style: Talking Babble, Size: Small
WATCHED MY 13 YR DOG TURN INTO A PUPPY AGAIN! (A simple hack that made much safer from a 2 star to 5 star with some puppy love & makes a perfect all sensory toy for older dogs) Please read for a 5 min diy hack using the babble ball to make the ULTIMATE DOG TOY UNDER $15. My dog is blind in 1 eye and loosing sight in the other. He is a 13 yr old min pin. I wanted a ball he could track by sound and still play catch. I was excited when the ball came but worried about its quality . This ball would break the first time you threw it, your dogs teeth or the ball :( (internal electronics and ball shell would even Crack on a non carpeted floor). I was going to return it until i saw my dogs ears at full attention wondering what new toy he got for xmas and what kind of owner would i be to deny that face and look of interest I rarely see from him. So i SIMPLY took a tennis ball made an X cut with an exacto knife as well as a few other small X cuts so the sound is amplified (speaker very low) . The small version fits perfectly inside the tennis ball and can now be a safe indoor ball that you can roll or toss and more durable for younger dogs. It has been a hit with all the neighborhood dogs (wish I got commission lol). NOW The ULTIMATE MULTISENSORY TOY USING THE BABBLE BALL!! If you want 2 go the extra step (I am glad I did I have not seen my dog play like this since he was a puppy plus he is 2 small 2 enjoy winter ). I had ordered the hertz bacon scented squeak ball and it's like cat nip for dogs until they destroy it. I also had a rubber ball that looks like the ever lasting godsmacker from willy Wonka that lights up when you hit it. So I took the babble ball which btw has hilarious sounds that really make your dog's want to interact with it. I took a hospital sock with the foot grips on the outside (when rolled it adds random movment from friction as well as easy for dog to grab. I placed the tennis/babble ball first, then the light up rubber ball, followed by the hertz bacon scented ball. I tied a knot in between each ball then added another sock for protection. I left room on both ends so toy could also be used for tug of war. This has been the best gift for my aging dog- not 2 mention his younger brother a min dashound . He is getting so much exercise, especially since it is winter, he even plays tug of war with his brother where they normally get jealous over toys always causing me 2 order 2 of the same toy lol but now they take turns for their favorite new toy. I will try and include pics and a video b/c I'm sure you love your dog as much as I do and with just a bit of effort and about $8 & an old pair of socks you will never see your dog instantly act so young again. Overall by itself this toy is what you get for the price I do wish the ball was a durable plastic or some sort of rubber coating. The best example I can give of the ball it self is a light hard plastic like a cheap kids toy solid but something you would tell your kid they need 2 play with careful and just roll on the floor something a dog doesn't understand . For the price it is a good toy you can make great. So a complex rating: 2 stars out of the box If you view as a part 2 a toy it's 5 stars all the way. 4 stars babble/tennis ball hack. 5 stars as part of an all sensory diy dog toy under $15.
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Reviewed in the United States on January 13, 2018
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Verified Purchase
Shana
Massapequa, US
★★★★★ 5
Best toy my dog has had!
Style: Blinky Babble, Size: Medium
Update 11/7/19: we bought another of these today. After multiple battery replacements, ours finally died. My pup was forlorn; even though he has the original and the animal sounds balls, this is by far his favorite babble ball. I keep it stuffed inside another rubber ball, but eventually his drool rusted the metal electronic bits. Still absolutely worth it even though it's loud and makes me bonkers sometimes. 😂 This, and a new box of button batteries, have made him a happy boy again. Original review: I have a toy-obsessed Miniature English Bull Terrier, and he goes absolutely bonkers for this toy. In fact, we have to give it to him in short bursts or he would exhaust himself playing with it. It's by far the toy he has responded most positively to, almost too positively (he wears us and himself out). The ball itself is red, round, hard plastic about the size of a tennis ball. Since it has batteries I wouldn't want my dog to swallow, and I have an aggressive chewer, I took a page from another reviewer and stuck it inside another (rubber) ball so that he's not chewing directly on the hard plastic. This has worked well so far, but it's definitely a toy for supervised play only. It makes a series of sounds (motorcycle, speaking, etc) and turns itself on and off when you're playing with it, so my dog will pounce on it when it starts making noises and then stalk it when it's quiet. It's very engaging for him. I highly recommend this if you have a pup who responds strongly to squeaker toys, but if you have an aggressive chewer, consider putting it inside another ball, and definitely plan on supervising play. This is well worth the price for the amount of joy it has brought our pup.
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Reviewed in the United States on July 27, 2019

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