Stay Safe And Ride In Comfort
Cycling should always be enjoyable and carefree for everyone. The Threo helmet provides peace of mind on every ride. Clever design keeps your head cool while you focus ahead. Experience top protection without feeling heavy or restricted.
Effortless Fit
Easily adjust for a snug fit every time. The unique 360° system keeps items secure without being too tight.


Maximum Ventilation
Eighteen vents allow air to move freely while you move. Stay fresh and dry, even on hot or long journeys.
Featherlight Protection
The Threo helmet feels almost weightless at only 250 grams. Enjoy safety without any added strain on your neck.

Size Guide

- TO MEASURE YOURSELF:
- 1. Stand straight and keep your head level.
- 2. Wrap the measuring tape around your head, positioning it just above your eyebrows and ears, and around the widest part at the back of your head.
| SIZE | HEAD CIRCUMFERENCE | |
|---|---|---|
| cm | inch | |
| M | 55–58 | 21.7–22.8 |
| L | 58–61 | 22.8–24.0 |
























Steve B.
I’ve tried several helmets over the years, and this one stands out for how light it feels. I can turn my head quickly without it shifting around.
Oliver G.
I ride a folding bike around town, and this helmet fits easily in my backpack. It’s so light I barely notice the extra weight when walking.
Michelle D.
Got this ultralight lid for my indoor trainer and outdoor rides. It never feels heavy, and I appreciate how quickly I can adjust it before heading out.
Emily C.
I bought this for city rides with my friends. Feels light as a cap, and all those vents keep my hair from getting sweaty and gross.
Rachel K.
I do long weekend rides, sometimes three hours or more. This helmet stays comfy the whole time and doesn’t leave pressure marks on my forehead.
Daniel S.
My teenage son uses this on his way to school. The snug dial makes it simple for him to tighten it, and he actually likes wearing it.
Gavin S.
Solid lid with impressive ventilation and comfort.
Angela N.
I commute through busy streets, so I wanted solid protection that doesn’t feel bulky. This helmet hugs my head gently and stays cool even in traffic.
Sophie H.
Comfortable fit, good airflow, looks decent too.
Natalie K.
Easy to tighten, stays put on rough paths.