Bell Piston Universal MTB Helmet

Bell's Piston is a comfortable, fully featured and stylish helmet that's sure to please. TheErgoDial fit system and Cam-lock straps offer an easy-to-adjust custom fit, and their In-Mold Microshell provides strength and low weight. You also get a removable visor to shield your face and 15 extra-large vents to let the air in.

Fits 54cm to 61cm head size.