Hiboy S2/S2Pro – Product Liability Lawyer

2026-02-24 – A Hiboy electric scooter reportedly caused a laceration injury requiring stitches when the rear disc brake sliced a rider's ankle. The incident, involving a Hiboy S2/S2Pro model manufactured by HIBOY INTELLIGENT INC, was filed as a design defect report on the CPSC's SaferProducts.gov database.

Product Details

Brand Name: Hiboy
Manufacturer: HIBOY INTELLIGENT INC
Model: S2/S2Pro
Incident Report Number: 5878614
Severity Type Name: Seen by Medical Professional
Severity Type ID: 8

Incident Overview

On January 29, 2026, a consumer's son was using the Hiboy electric scooter uphill. To engage the electric motor, the scooter requires a speed of 3 MPH. The child pushed the scooter with his left foot to reach that speed. When the motor engaged, the sudden propulsion caused the rear disc brake to slice his left ankle, resulting in a wound that required three stitches.

According to the incident report filed with the CPSC (Report ID 5878614), the scooter's design leaves the sharp metal disc brake exposed at the bottom, creating a laceration hazard. The reporter noted that the child was wearing shoes and socks at the time, but the injury still occurred. The report emphasizes that without protective footwear, the injury could have been much more severe. No prior issues with the scooter were mentioned.

Safety Concerns

Immediate Dangers: The exposed sharp edge of the rear disc brake can cause deep lacerations upon contact, especially during sudden acceleration or when the rider's foot is near the wheel. The force of the motor engaging can push the foot into the spinning brake disc, slicing skin and underlying tissue.

Who Might Be Affected: Riders of all ages, particularly children and inexperienced users, are at risk. The design allows any foot placed near the rear wheel to contact the brake disc, making bystanders or passengers also vulnerable.

Warning Signs: The scooter's open-bottom design makes the brake disc visibly exposed. Any situation where the rider's foot may slip or be placed near the rear wheel—such as pushing off, balancing, or dismounting—signals potential danger. The lack of a guard or shield is itself a warning of the risk.

Long-Term Risks: Repeated incidents could lead to nerve damage, tendon injury, or permanent scarring. Infections from untreated lacerations are possible if medical care is delayed. Continued use without design modification perpetuates the hazard.

What Our Clients Say

What Consumers Should Do

Stop Using Immediately: Cease use of the Hiboy S2/S2Pro scooter until the exposed brake disc is shielded or the design is modified by the manufacturer.
Seek Medical Attention: If you or a family member sustains a laceration from the brake disc, clean the wound and see a medical professional promptly to prevent infection and ensure proper stitching.
Preserve the Product: Keep the scooter in its current condition, including any damaged components, as evidence. Do not attempt repairs that could alter the defect.
Document the Incident: Take photographs of the injury and the scooter's brake area. Save medical records and receipts for treatment. Write down the date, time, and circumstances of the incident.
Report to the CPSC: File a report at SaferProducts.gov to alert regulators and help prevent future injuries. Reference existing Report ID 5878614.
Check for Recalls: Visit CPSC.gov to see if any recalls or safety notices have been issued for the Hiboy S2/S2Pro.

Consumers who have suffered injury or property damage from this product may wish to speak with a product liability attorney to discuss their options.

Manufacturer's Response

The manufacturer's official response to this specific incident report is not publicly available at the time of this writing.

Legal Help Available

H Law Group is a California-based product liability law firm representing individuals injured by defective products. Our attorneys handle cases on a contingency fee basis, meaning you pay nothing unless we recover compensation for you. We offer free consultations to discuss your case and legal options. If you or a loved one was injured by Hiboy S2/S2Pro or a similar product, contact H Law Group at (888) 499-4948 for a free, no-obligation consultation.