Cannondale Radius Mountain Helmet
- Actual weight: 302 grams (size S/M)
- 22 flow-through vents
- Internal roll cage allows for large vents
- Multi-molding shell technology bonds the outer shell with the EPS shell
- System Integration Micro-Dial w/ Ergo-Fit EVA occipital pad
If you don't understand why you have to pay 130-plus bucks for a capable mountain helmet, then take a look at the Cannondale Radius helmet. Lots of vents—without giving up extended side and rear coverage—a simple one-hand tension adjuster, and a comfortable fit, all go into making the Radius one of our best helmet values.