Giro adds the new Rift to its oustanding line of mountain bike helmets in 2010. The Rift is an eacy choice for riders who want cool comfort and rugged looks without breaking the bank. And the performance features that rival many premium helmets, its a clear winner. The Rift includes Acu Dial universal fit for adults, and In Mold Technology. This helmet comes in seven different color combinations - White/Titanium, Black/Titanium, Matte Black with Red Flames, Blue & Black Flames, Matte White with Pink Flames, Titanium/Carbon and Livestrong Matte Black/Yellow. Sizes: Universal Fit - 21.25 to 24 inches / 54 to 61cm