InnerKing Adult Bike Helmet, Medium

Bike: The InnerKing Cycling Helmet is an adult open-face helmet listed in Medium, with an adjustable fit system, ventilation and a reflective strip aimed at commuting and everyday riding. Its listed CPSC compliance and EPS impact-absorbing foam are manufacturer claims, not independent verification.

At a glance

The listing describes a dial-fit system and quick-release buckle for fit adjustments.
Vents and a reflective strip are specified for airflow and visibility in low-light conditions.
A detachable chin guard is listed as a feature, but no details on its fit or use are provided.
The product description says it complies with U.S. CPSC bicycle helmet standards.

Price

$27.88Save 15%

Reference price: ~~$32.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

The adjustable fit system and quick-release buckle give riders practical ways to fine-tune and release the helmet.
The reflective strip and ventilation are useful features for daily commuting.
EPS foam construction is listed alongside a hard outer shell material.

Technical specifications

13 specifications

Identity
Brand	Innerking
Model	Cycling Helmet
Age range	Adult
Size	Medium
Style	Open Face
Color	Matte Milky White

Construction and features
Outer materials	Acrylonitrile Butadiene Styrene (ABS), Expanded Polystyrene (EPS), Polycarbonate (PC)
Inner material	Cotton
Special features	Adjustable Strap, Detachable Chin Guard, Lightweight, Scratch Resistant, Ventilation
Recommended uses	Cycling, Ice Skating, Inline Skating, Skateboarding

Dimensions and installation
Dimensions listed	10.63 x 7.87 x 6.69 inches

Manufacturer-stated safety and support
Safety standard claim	CPSC Safety Standards for bicycle helmets
Warranty description	1 Year Manufacturer

What to know before buying

Listing details to confirm

The listing describes the helmet as CPSC-compliant, while a separate description also claims ASTM, CE and GCC certifications. Those additional certifications are not confirmed consistently. The feature text mentions a detachable chin guard, but the package list names only the helmet and manual, so confirm whether the guard is included. No head-circumference range is given for the listed Medium size. The listed dimensions are product dimensions, not a sizing range.

What’s in the box

Included

1 x Bike Helmet
User manual

Who is it for?

A good fit for

Adult riders seeking an adjustable helmet for commuting or everyday cycling.
Buyers who want ventilation and a reflective detail, and who can verify that Medium fits their head.

Less suited to

Riders who need a confirmed head-circumference range before choosing a size.
Buyers requiring independently verified certification claims or a confirmed chin-guard package inclusion.

InnerKing Adult Bike Helmet, Medium · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.8 / 5 · 460 ratings

5 stars88%88%
4 stars8%8%
3 stars2%2%
2 stars1%1%
1 star1%1%

Customer feedback describes a snug fit that does not squeeze the sides of the head, along with comfort, light weight and easy adjustment. These reports are relevant to the listed adjustable fit system and cotton inner material, but individual fit can vary. The aggregate ratings are largely favorable, though they do not establish helmet performance or resolve the listing's inconsistent certification details.

Positive themes

Customers report comfortable, snug fit and easy adjustment.
Customers describe the helmet as lightweight and like its appearance.

Frequently asked questions

What size is listed?

The listing specifies Medium but does not provide a head-circumference range. Check the fit details before purchasing.

What safety certification does the listing claim?

The feature text claims compliance with U.S. CPSC bicycle helmet standards. Another description also names ASTM, CE and GCC, but those additional certifications are inconsistent across the listing.

Is the chin guard included?

A detachable chin guard is listed as a feature, but the explicit package list names only one helmet and one user manual. Confirm inclusion with the selected listing.