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First Ebike product guide

Hiboy EX11 Full-Suspension 26-Inch Fat-Tire Electric Bike

Riders 5 foot 3 and up wanting full suspension and long range

A full-suspension fat-tyre bike with a removable 864Wh battery, a torque sensor, hydraulic disc brakes and a UL 2849 certificate that names it. Hiboy's page and its own manual disagree on peak power (880W vs 1500W), payload (300 vs 330 lb) and water ratings, and charging takes nine to ten hours.

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Published specifications

  • Motor: 750W rated, 90 Nm; peak 880W (page) or 1500W (manual)
  • Battery: removable 48V 18Ah, 864Wh; 9-10 hour charge
  • Range at 165 lb: up to 100 miles assist, 53 miles throttle
  • Speed: 20 mph default (Class 2); 28 mph assist via settings
  • Payload 300 lb (page) or 330 lb (manual); bike 99.2-100 lb
  • UL 2849 certificate UL-US-26128226-0 names the EX11

Fit and limits

Strengths

  • A UL 2849 certificate naming the EX11 is published by Hiboy
  • Full suspension, torque sensor and hydraulic brakes with 180 mm rotors
  • Range claim comes with stated test speed, temperature and rider weight

Caveats

  • Hiboy's page and manual disagree on peak power, payload and IP rating
  • Roughly 100-pound bike with a nine-to-ten-hour charge time
  • Manual's warranty page restates no duration; the page says one year

A full-suspension fat-tyre bike with hydraulic brakes

The EX11 is Hiboy's full-suspension bike on 26 by 4.0 inch puncture-resistant fat tyres with reflective sidewalls. Hiboy's specification panel lists an 80 mm lockout dual-crown fork, four-link rear suspension, a Shimano 1x7 drivetrain, dual-piston hydraulic disc brakes on 180 mm rotors, a torque sensor, a 3.5 inch colour display and a rear rack rated for 55 pounds.

Hiboy lists the box contents as the bike, a charger, an installing tool, left and right pedals, the user manual, two battery keys, two hexagon wrenches and a combined Phillips and 5 mm hex tool. The manual says to ride only after the bike has been assembled following Hiboy's assembly video and checked by a certified, reputable mechanic.

The manual describes a walk-assist mode that moves the bike below 4 km/h, and carries a throttle warning on the same page. Its settings menu holds the P01 maximum-speed setting behind a password, which this guide does not reproduce.

Peak power, weight and payload differ by source

Every source agrees on a 750W rated motor with 90 Nm of torque. The peak figure does not agree. Hiboy's product page and FAQ say 880W peak. The specification table in Hiboy's own manual lists rated power 750W and max power 1500W, and the Amazon bullets also say peak 1500W. We report both documents and do not choose; ask Hiboy which figure applies to the bike you receive.

Weight and load also differ. Hiboy's page gives a bike weight of 99.2 pounds and a maximum payload of 300 pounds. The manual's table gives 100 pounds and a 330-pound maximum load, which Amazon repeats, while Amazon's item weight field says 121.2 pounds. Plan around the lower 300-pound payload until Hiboy confirms otherwise.

Rider fit is printed two ways on the same Hiboy page. Its specification panel says 5 foot 3 to 6 foot 3, while its geometry chart says 5 foot 3 to 6 foot 5. The geometry chart lists a minimum seat height of 35.5 inches, a maximum of 44.8 inches and a standover of 13.9 inches.

Class 2 out of the box, 28 mph only after a settings change

Hiboy's page labels the EX11 Class 2 by default and Class 3 where permitted. The manual says the factory default speed limit is 20 mph and that it can be raised to a maximum of 28 mph through the P01 setting in a password-protected settings menu. Hiboy's FAQ says 28 mph applies to pedal assist only, where local rules allow it.

If you ride on paths that limit speed or class, leave the default in place and check local rules before changing it. The manual's range test used a 165-pound rider on flat ground, and Hiboy's page ties its range and speed claims to that rider weight.

Hiboy gives a maximum climbing capability of 20 percent, and so does the manual. The Amazon bullet instead claims 30-degree climbing angles, which is a different and much steeper figure that Hiboy's own documents do not support.

The 100-mile range has stated test conditions

The battery is a removable 48V 18Ah pack, which Hiboy gives as 864Wh, with a battery lock described in the manual. Hiboy claims up to 100 miles on pedal assist and up to 53 miles on throttle only, both with a 165-pound rider, and its manual goes further by stating the test conditions behind the headline figure.

The manual says the advertised maximum was measured in pedal-assist mode with no wind, at 77 degrees Fahrenheit, on a fully charged battery, at a constant 15.5 mph on a flat surface with a 165-pound rider. Heavier riders, hills, cold, wind, low tyre pressure and higher speeds will all reduce it, so treat the throttle figure as the more useful planning number.

The manual lists a charger taking 100 to 240V AC and putting out 54.6V, and a charging time of nine to ten hours. That is an overnight charge from empty, not a top-up during a lunch break.

A named UL 2849 certificate, but water ratings that conflict

Hiboy links a UL certificate of compliance, number UL-US-26128226-0 with report reference E535406-20260731, issued 8 August 2026 to Shenzhen Freeman IT Limited. It covers electrical systems for e-bikes under ANSI/CAN/UL 2849 and names models including the EX11. The certificate itself says it does not authorise use of the UL Mark and tells buyers to look for the mark on the product.

Water resistance is stated three ways. Hiboy's page gives IP65 for the battery and motor and IPX7 for the controller, and a feature line mentions IP67. The manual's specification table gives IPX5 for the battery pack and IPX5 for the motor, and Amazon says IPX5.

The manual's riding section advises avoiding wet-weather riding where possible, and its cleaning note says not to use high-pressure water on the bike. Whatever rating you believe, do not hose the bike down.

One-year warranty and a 30-day return with an RMA

Hiboy's product page and the Amazon warranty field both state a one-year warranty. The manual's warranty page says the product will be free from defects for a period it calls aforementioned without restating a length on the part that could be read; the right half of that page, covering remedies and claims, was not legible.

The manual's 30-day satisfaction return applies to undamaged products bought through an authorised channel. You must request a return authorisation from Hiboy within 30 days of receiving the shipment, keep your receipt or invoice, return every accessory in the original package, and pay return shipping when the product has no quality issue. Hiboy may refuse returns sent without an authorisation or with missing parts.

Because the bike is assembled at home, keep the box and every part until you have ridden it a few times. Hiboy's manual index page links the EX11 manual, so a fresh copy is available if the printed one is lost.

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Primary sources

  1. Hiboy product page for the EX11 full-suspension electric bike
  2. Hiboy EX11 user manual
  3. UL certificate of compliance listing the EX11, linked by Hiboy
  4. Hiboy user-manual index page

Primary sources checked .

Compare with

Side-by-side pages, this model next to: Vivi ACE07 Step-Through 26 x 4.0 Fat-Tire Electric Bike, Vivi M026SHUL 26-Inch Hardtail Electric Bike.

Keep comparing

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