For thirty years MET has been making helmets for the very best in the sport of cycling.

They’ve learned, refined and developed their products, getting faster, lighter and more comfortable with every generation. Featuring the MIPS-C2 brain protection system, the MET Trenta Mips is able to slide relative to the head in the case of a crash, redirecting damaging rotational motion.

MIPS is a brain protection system — engineered to add 10% extra safety to the standard construction of helmets in case of certain impacts.

The MIPS Brain Protection System (BPS) is attached inside the helmet, between the comfort padding and the EPS.


Naca Vent - Originally developed by NACA, a precursor to NASA, the position of this inlet at the front of the helmet has a cooling effect. Harnessing the power of the Venturi effect, the vent pushes out the warm air within the helmet through specially positioned exhausts. This ensures constant airflow through the helmet, without catching the wind and creating drag. 

Rear Deflectors - The back of a helmet has a huge impact on how well ventilated it is, with the exit of warm air from within a key priority. The MET Trenta 3K Carbon features a flat rear deflector inclined at 25°, which makes it possible to include two wide exhausts that optimise airflow when you’re on the drops and riding hard.

Sunglasses Ports - Dedicated ports for securely docking sunglasses.

Tube-Shaped Tail - The tail of the helmet also has an aerodynamic purpose. It works in synergy with the NACA front vent and the rear deflector to effectively drive airflow. It has a lower profile at the rear, which they developed thanks to specific wind-tunnel testing in the Newton laboratory of Milan.

Fit System - Safe-T Orbital.
All-round belt offers 360° adjustment
4 positions for vertical adjustment
2 positions for occipital adjustment
Ponytail compatible
MET USB LED light compatible


In-mould polycarbonate shell with EPS liner
MIPS-C2 Brain Protection System
Sunglasses ports
Safe-T Orbital Fit System
360° Head belt, Vertical and occipital adjustment
Hand washable Air Mesh comfort pads
Air Lite straps
Adjustable cam divider
Reflective rear stickers
Internal Air Channeling
Helmet soft bag


  Small Medium Large
Head Circumference (cm) 52/56 56/58 58/61
Weight (g) 245 250 290

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