337.22 MYR (11,385 JPY)
Delivery Information
If manufacturer have in stock, ships around 26th Mar. 2025
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
[Color] MULTI
[Size] One size fits all (under 57-60cm)
[Specs] SG/PSC compliant, for all engine displacements
[Components] With 2 sponge pads
Colorful glossy finish
[Type of PS Mark] PSC
[Name of the reporting company] Alphatec Co
**The image may contain other products.
*There may be changes in product specifications due to the manufacturer's reasons.
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This is a long-awaited helmet from the JJ series!
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.