Arai Quantum ST Pro Concept


$ 464.95

Best price online audited bynetRivals


Arai Quantum ST Pro Concept


Arai Quantum ST Pro Concept

Arai Quantum ST Pro Concept

Arai Quantum ST Pro Concept


Arai Quantum ST Pro Concept

Product description

Product description

The new Quantum-ST PRO features the ‘’long oval’’ head shape. This specific shape offers a longer front-to back distance and a slightly smaller side-to- side distance compared with the standard Arai head shape. This shape offers new levels comfort for many European riders,
who will experience that the Quantum-ST PRO will fit them perfectly. The Quantum-ST PRO is acknow- ledged as the premium sports- touring helmet, preferred by experienced touring and sports riders alike. The new Quantum- ST PRO edition enhances The strong features of the ST model even further: standard PRO Shade System visor fitted, even more room around the mouth and nose and integrated speaker pockets in the cheek pads for a communication system.
Also exclusive to the PRO version is the new ‘’Ecopure’’ lining material offering new levels of comfort. The Quantum-ST PRO combines racing RX-7 GP technology with the comfort level needed for all day long touring riding.

* Helmets are always delivered with a transparent screen.

All motorcycle products of the category Integral road have a high manufacturer quality and take care of even the smallest details. At motardinn you can find the full catalogue of Helmets products from Arai. The price of Arai Quantum ST Pro Concept is 464.95 $, with the lowest price guarantee, secure payment and an efficient delivery service!


Sun visor:
Motorcycle racer:
Locking system:
Shell composition:
Interior fabric:

Size chart. Helmets

Use the chart below to determine your size. If you´re on the borderline between two sizes, order the smaller size for a tighter fit or the larger size for a looser fit. If your measurements for bust and waist correspond to two different suggested sizes, order the size indicated by your bust measurement.

  • cm
  • inch
  • Kg
  • Pounds
Size Head circumference (cm)(inch)

49 - 50

19.11 - 19.5


51 - 52

19.89 - 20.28


53 - 54

20.67 - 21.06


55 - 56

21.45 - 21.84


57 - 58

22.23 - 22.62


59 - 60

23.01 - 23.4


61 - 62

23.79 - 24.18


63 - 64

24.57 - 24.96


65 - 66

25.35 - 25.74

head.jpg head_circum_eng.png
Customer reviews and questions (0)

Product rating 5 / 5
Write a review or ask our dedicated team of experts a question

Write a review about this product and earn CoINNs

(existing customers only)

Product rating:

Wrong code

Note: Your reviews will be reviewed by our staff and posted within five working days. Your question will be answered by email, so please make sure your email address is correct.

I accept your Privacy Policy

Customers who viewed Arai Quantum ST Pro Concept, also viewed:

Arai QV Pro


QV Pro

$ 718.95

Arai RX-7V



$ 946.95