Skip to contentGo to Product Search
Main Content
In Electric Bikes

Heybike - Mars 2.5 Foldable E-bike w/ 45mi Max Operating Range & 28 mph Max Speed-UL Certified - Black

Model: HBK-Mars 2.5-750W-BK
SKU: 6672076
Sold byBest Buy

About this product

Mars 2.5 E-Bike built for riders who crave versatility and toughness, Mars 2.5 delivers fat-tire stability, 28mph top speed, and dependable components without overcomplicating things. Powered by a 750W motor (1000W peak) and a 48V battery, it’s ready for city streets and off-road detours alike. Experience, 750W motor with 1000W peak power for confident climbs and quick takeoffs. 20”x4” off-road fat tires that grip sand, gravel, and pavement with ease. Hydraulic disc brakes for strong, controlled stopping power. Front suspension and high-carbon steel frame built to handle rough terrain…all wrapped in a compact, aggressive design made for everyday adventure. Where rugged performance meets real world value, built tough, priced smart.

Features
  • 45-Mile Range + UL2849-Cert Battery

    Why it matters: 48V 12.5Ah (600Wh) battery delivers up to 45 miles of range, balancing power, speed, and everyday riding needs.

  • 1000W Peak Motor (750W Rated Power)

    Why it matters: Delivers strong, consistent power for everyday riding and moderate hills — smoother and more capable than standard 500W motors, without overkill.

  • Hydraulic Disc Brakes

    Why it matters: Strong, responsive braking with less hand effort—more control and confidence in wet or uneven conditions.

  • 20”*4”Puncture-Resistant Tires

    Why it matters: Lightweight durability for all terrains+ stands out in traffic.

  • Shimano 7-Speed

    Why it matters: Wider gear range – hills feel flat, sprints feel effortless.

  • Foldable Design

    Foldable, storable, powerful, comfortable, and ready for anything! Making this electric bike foldable means that it'll fit in the trunk of a car or easily into an RV, even a helicopter! So it can go anywhere with you.

  • UL 2849 Compliant

    Tested and certified to UL 2849 safety standard by UL Solutions.

  • Disclaimer

    The purchaser and rider of this product are responsible for knowing and obeying all state and local regulations regarding the use of this product. It is highly encouraged that you read and follow the product instructions including all safety precautions and use protective gear.

  • NYC consumers please review fire safety info available here: https://www.nyc.gov/site/fdny/codes/reference/lithium-ion-battery-safety.page

Specifications
  • Color
    Black
    Product Weight
    76.72 pounds
    Maximum Operating Range
    45 miles
    Maximum Speed
    28 miles per hour
    Motor Power (Nominal)
    750 watts
    Throttle Control Mechanism
    Half twist
Sponsored

Reviews

Rating 2.8 out of 5 stars with 5 reviews

5 star rating. 2 reviews2 star rating. 1 review1 star rating. 2 reviews
40% would recommend to a friend

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

  • Rated 2 out of 5 stars

    Light work only

    Already had to do repairs a couple times in a month. If you want a product like this, maybe payup for a better model

    Posted by ResearchMORE

  • Rated 5 out of 5 stars

    Mars 2.5

    Honestly great I’ve had it for almost a year now works pretty great take it to school all the time it’s a nice and smooth ride

    Posted by B1K3R

  • Rated 1 out of 5 stars

    Not as expected

    The product was damaged from when i took it out of the box. There's nothing I can do about it sense it was no return so I'm extremely disappointed.

    Posted by ALMAM

  • Rated 1 out of 5 stars

    Parts broken from a new purchase

    part broken for a new product and several minor quality issues when cycling after assembled...

    Posted by EVANL

  • Rated 5 out of 5 stars

    GREAT BIKE WOULD RECOMMEND TO EVERYONE

    GOOD BIKE AMAZING EASY SET UP EASY TO RIDE AND AMAZING WOULD RECOMMEND TO EVERYONE

    Posted by BryanC

Compare similar products

Heybike - Mars 2.5 Foldable E-bike w/ 45mi Max Operating Range & 28 mph Max Speed-UL Certified - Black
Heybike - Mars 2.5 Foldable E-bike w/ 45mi Max Operating Range & 28 mph Max Speed-UL Certified - Black
2.8(5)

Mars 2.5 E-Bike built for riders who crave versatility and toughness, Mars 2.5 delivers fat-tire stability, 28mph top speed, and dependable components without overcomplicating things. Powered by a 750W motor (1000W peak) and a 48V battery, it’s ready for city streets and off-road detours alike. Experience, 750W motor with 1000W peak power for confident climbs and quick takeoffs. 20”x4” off-road fat tires that grip sand, gravel, and pavement with ease. Hydraulic disc brakes for strong, controlled stopping power. Front suspension and high-carbon steel frame built to handle rough terrain…all wrapped in a compact, aggressive design made for everyday adventure. Where rugged performance meets real world value, built tough, priced smart.

Heybike - Ranger S 2.0 - Foldable Step-Thru Fat-Tire 750W Ebike, Hydraulic Disc Brakes, 55 Miles Max Range, 28MPH - UL Certified - Black
4.7(34)

Ranger S 2.0 E-Bike: Premium Power, Unbeatable Comfort & Smarter Safety. Built for riders who refuse to compromise, this fully-loaded electric bike combines 55-mile range, 1400W peak power, and pro-grade features missing on budget models. Experience: Thumb throttle & 32-pulse sensor for ultra-smooth acceleration. Hydraulic suspension + plush saddle that erase bumps. Full lighting system with brake lights (unlike basic competitors)…all wrapped in head-turning whitewall tires. "Where performance meets peace of mind – without the premium price tag."

Lectric eBikes - XPeak2 High-Step Long-Range eBike (Max 80mi/28mph) + Rear Rack/Fenders/Elite Headlight/Suspension Seat Post - Tempest Grey
4.1(49)

The XPeak2 is a newly upgraded version of the trail-ready, all-terrain eBike. Tested to the most aggressive safety standards for off-road eBikes (eMTB), and named by Men's Health as a "Best of Sweat" winner in the 2025 Tech Awards, the XPeak2 now comes standard with an industry-leading torque sensor that provides an exceptional riding experience with intuitive and controlled power delivery at each pedal stroke. Combined with the 750-watt Stealth M24 motor (1310 Peak) for a powerful yet hushed motor experience, the XPeak2 delivers the muscle and speed to take on any terrain as a Class 1, 2, or 3 eBike. Additional upgrades include a newly designed hydroformed frame, a larger 203mm front disc brake rotor for maximum stopping power, an integrated color display, lock-on grips, and an 8-speed Shimano drivetrain.

GoTrax - Z4 PRO Foldable Ebike w/ up to 40mi Max Operating Range and 28 mph Max Speed - Black

Built to go where other e-bikes can't. Even when you aren't riding this e-bike you can take it where others can't go thanks to its easy foldability. Durable, shock absorbing off-road fat-tires can take on any sort of bike path or trail you can think of. Be sure to make use of the rear storage rack so you can take more than what's in your backpack.

Pros for Heybike - Mars 2.5 Foldable E-bike w/ 45mi Max Operating Range & 28 mph Max Speed-UL Certified - Black
There were no pros for this productBattery Life, Speed, Ride Comfort, Build Quality, Assembly EaseOverall Performance, Speed, Ease of Use, RangeSpeed, Battery Life, Overall Performance, Ride Quality, Portability
Cons for Heybike - Mars 2.5 Foldable E-bike w/ 45mi Max Operating Range & 28 mph Max Speed-UL Certified - Black
There were no cons for this productThere were no cons for this productThere were no cons for this productWeight, Noise Level, Range

Specs

Questions & Answers
Ask a question
No content
Sponsored

Finance Options

My Best Buy® Credit Card
Choose a benefit:Or
Buy Now, Pay Later
Lease to own