214,787.39 ~ KHR (7,955 JPY) 291,603.24 KHR Save 26%
Delivery Information
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Please select product form first.
Size Chart For Helmet
How to measure the size of your head
First, measure the circumference of your head with a measuring tape.
Measure from the highest point of your forehead, just above your eyebrows, horizontally backwards to the highest point of the back of your head and around.
Based on the measurement, choose the size from the table below.
However, unlike hats, helmets cannot be sized by head circumference alone.
Also, helmets of the same manufacturer may feel different even if they are the same size depending on the model.

Ordering Size | XS | S | M | L | XL | 2XL |
Head Measurement (cm) | 53 - 54 cm | 55 - 56 cm | 57 - 58 cm | 59 - 60 cm | 61 - 62 cm | 63 - 64 cm |
* This universal size chart is for reference only. Sizes vary by manufacturer and product.
Product detail
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color Black Metallic
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color type solid
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Helmet SG mark ○
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Helmet PSC mark ○
Color: black metallic
■Helmets for motorcycles
・Removing and installing the interior
・Small Jet
・3 sizes
・Compatible with all engine displacements
・SG / PSC certification
[Type of mark] PSC / SG
[Name of Filling Business] Yamashiro Co.
**There may be changes in product specifications due to the manufacturer's reasons.
*The image may contain other colors..
Jet helmet for all displacement [YH-001] which is simple but full of functions is newly appeared.Based on the "Asian fit" that perfectly fits the Japanese head, and three sizes of M / L / XL are lined up.
In addition, the cap is available in two shells to enhance safety, and higher safety is realized.Since this helmet is equipped with an inner detaching mechanism which is rare among helmets of the same class, it is possible to wash and replace an inner which is easy to be dirty.
The inner material is a new material [Hi-Cool], you can always keep clean.
This helmet is equipped with ratchet type chin strap which can be attached easily and excellent cost performance.
Points of Attention
* The helmets sold on this site are based on the Japanese safety standard.
We are not responsible for accidents, damage, injury, or any other related matters as a result of purchasing this product.