Giro Bell Lumen Cycling Helmet (and) -
Smartly appointed and comfortable enough for commutes or long road rides, Bell's Lumen cycling helmet boasts 22 internally channeled vents and the dial-adjustable GPS fit system.
- Geared Positioning System offers easy and quick one-handed fit adjustment
- Fusion In-Mold Microshell construction
- Channeled ventilation system brings cool air in through the front and flushes warm air out the rear ports
- Cam lock levers on strap for easy adjustment around the ears