Outer shell made reinforced thermoplastic resin. Internal polystyrene protective liner, available in two sizes (M and L).
Internal polystyrene protective lining, available in two sizes (M and L).
The special shape and construction in different density increases mechanical resistance in the event of shock.
Inner channels studied in the wind tunnel guarantee a perfect ventilation..
The D-RING retention system is designed and patented by Suomy: this reliable and tested double D ring system ensures stability, safety and resistance.
How to use: insert the free side of the strap in the rings.
Pull the end until the strap presses firmly against the jaw.
After this operation, it should not be possible to remove the helmet. Verify that by grabbing it from the back and rotating it to the front it cannot be removed and it is fixed to the head.
If the helmet tends to come off or rotates freely, tighten the strap again until the right pressure is obtained and repeat test.If after repeating the test you are not able to efficiently tighten the retention system, do not use the helmet.
Only after checking the correct tension of the strap, fix the free end locking it with the automatic stud to the release tabThe automatic stud is necessary only to fix the free end of the strap to prevent it from flapping while riding. Fixing the release button does not assure that the helmet is correctly in position and properly fastened: the correct locking of the strap must be verified exclusively following the above paragraphs.
To release the retention system, release the automatic stud button and pull the release tab to loosen the closure. Slide out the free end of the strap from the «D Rings».
Use the release tab only to remove the helmet! Never release this tab while riding.
If the retention system does not work properly, do not use the helmet and contact Suomy authorized personnel only.
RUMBLE helmet is homologated in accordance with:
ECE 22-05 Europe
DOT America and Canada
Removable and washable cheek pads available in different thicknesses for complete customization of the final product.
The removable internal padding has been ergonomically designed for a uniform and controlled fit of the entire head.
The visible aeration slots ensure that incoming air thermo-regulates the inside of the helmet and that the flow of hot air is easily discharged from the rear.
Polystyrene, with grooves to direct the incoming air flow.
Air intakes (front, upper and rear) that control the helmet's internal ventilation.
Chin-guard air intake to control the helmet's front ventilation.
External shell besides the aesthetics aspect, have veins that carry the air flow from the front to the back of the helmet.
Adjustable and easily replaceable peak