Heybike Mars 2.5 Folding Fat Tire Electric Bike

SVT Score, Lower

Versus
4.8
SVT SCORESRead review

A folding fat-tire e-bike with an 85 Nm hub motor, hydraulic brakes and a fitted rack, but a steel frame that makes it heavy to fold and lift.

$899

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SKU: HB1Mars25USBK1A Category: Brand:

Usability

4.8 out of 10
  • Not counted: rotor size, sensor type and tire puncture protection are not printed
Better on ride hardwareVelotric Fold 1 Plus folding bikeHydraulic discs with 180 mm rotors. $1,499Scores 9.0
  • Not counted: throttle not confirmed on the pages read
  • Searched: UL Certipedia Intertek SGS TÜV SÜD CPSC Health Canada
  • Record: UL Product iQ, UL 2271 (BBCA, Batteries for Use in Light Electric Vehicles - Component), (guest view shows no model), Heybike INC
  • Record: UL Product iQ, UL 2849 (QGNS, Electrical Systems for E-Bikes), (holder file; guest view shows no model), Galaxy Mobility Inc
Better on verificationHeybike Ranger 3.0 Pro e-bike$1,399Scores 6.0
  • List: $899.00 at heybike.com
  • Store page: showed $999.00 when read; the store data gives $899.00

Strong folding fat tire, but very heavy

  • What it is: a folding fat-tire e-bike with hydraulic brakes and a fitted rack
  • The trade-off: strong torque and good brakes, but heavy for a folder
  • Not checked: the throttle, sensor type and rotor size
  • Look elsewhere for: carrying the bike up stairs

Strengths

  • Hydraulic brakes on a budget folder
  • Strong hill-climbing torque
  • Rack and fenders come in the box
  • Battery lifts out to charge indoors

Drawbacks

  • Very heavy to fold and lift
  • Steel frame
  • No turn signals listed
  • Lower payload than its siblings

Social score

5.0 out of 10
RedditBrand-level3 out of 10

r/ebikes owners in a Heybike feedback thread report slow email support, $200 to $300 shipping charges for warranty parts and delivery delays (Jul 2024)|Other owners in the same thread report trouble-free bikes and quick free parts (Jul 2024)

GoogleBrand-level6 out of 10

Electrek, Momentum Mag and Autoweek tested the Ranger 3.0 Pro, Cityscape 2.0 and Venus, praising ride comfort and value (Oct 2025 to Jul 2026)|The same tests faulted weight, budget brakes or fittings, and range below the claim (Oct 2025 to Jul 2026)

YouTubeNot scored

The YouTube pool is blank: the tester videos found for these models are featured on Heybike’s own product pages, and none read states how its unit was obtained (October 2026).

AmazonBrand-level6 out of 10

Heybike brand-store listings on Amazon show 4.4 stars on 342 ratings for the Cityscape 2.0, 4.5 on 12 for the Ranger 3.0 Pro and 3.7 on 9 for a Mars 2.0/3.0 listing (Oct 2026)

User reviewsNot scored

The retailer pool is blank: no Heybike listing found at Walmart, Best Buy, Target, Costco, Dick’s, REI, Home Depot or Lowe’s shows ten readable native reviews of one model (October 2026).

Reviews

Trustpilot shows 4.1 stars on 1,782 reviews, 73% five-star and 15% one-star, on a claimed page that invites customers to review (October 2026).

Track record
  • The BBB rates Heybike, Inc. F and does not accredit it, with 75 complaints closed in the last three years (October 2026).
  • A second BBB listing, for HeyBike in Ontario, California, is also rated F with 51 complaints in three years (October 2026).
  • CPSC and Health Canada searches for Heybike e-bikes and batteries found no recall or warning (October 2026).
Not countedExcluded
  • Not counted in any pool: Heybike’s own store reviews, its YouTube channels, Facebook pages and groups, dealer pages, and affiliate or ambassador content.
  • The retailer pool is blank: no Mars 2.5 listing was found at Walmart, Best Buy, Target, Costco, Dick’s, REI, Home Depot or Lowe’s (October 2026).
Brand-level

4.1 on Trustpilot, sold Direct, on Amazon and at Walmart

Specs

  • TypeFolding
  • E-Bike ClassClass 3
  • Battery401-600 Wh
  • MotorHub
  • Top Speed21-28 mph
  • Claimed Range41-60 mi
  • Weight71-85 lb
  • Max Rider Load301-350 lb
  • BrakesHydraulic disc
  • SuspensionFront
  • FoldingFolds
  • CertificationsUL 2271 pack listed
  • Warranty2 Years

At a glance

  • BMX-style handlebar
  • High-carbon steel frame
  • Shimano 7-speed
  • Heybike, Inc. is based in San Francisco, California.
  • Heybike names no parent company on heybike.com, and Tracxn lists it as a California company led by its co-founders.
  • Heybike e-bikes are sold in the US by Heybike, Inc., which issues the brand’s US warranty.
  • Heybike sells its folding fat-tire, moped-style, mid-drive and commuter e-bikes on its own US store at heybike.com, through a Heybike brand store on Amazon, at Best Buy and through dealers.
  • Heybike sells on Walmart as its own marketplace seller, Heybike Direct.

The Heybike Mars 2.5 is a folding fat-tire e-bike with a 750 W rear hub motor (1,000 W peak) rated 85 Nm of torque and a 600 Wh, 48 V removable battery. It has hydraulic disc brakes, a front suspension fork, 20 x 4.0 in tires, a Shimano 7-speed drivetrain, a high-carbon steel frame and a BMX-style handlebar.

A colour LCD with a 6-button control panel, a headlight, a taillight, a rear rack and fenders come with it, and the manual rates it IPX5. The manual lists 75 lb, a 330 lb total payload, 28 mph and 35 to 45 miles on PAS 1. It is sold in black only.

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