The Roc Loc Air is Giro's patented helmet fit and stabilizing system.
This genuine Giro Roc Loc Air replacement part hugs the back of your head and reduces the tendency of your helmet to shift forwards or backwards.
Unlike most systems, the Giro Roc Loc Air design provides adjustable tension that is independent of the helmet straps. What this means is that you don't have to over-tighten the straps to get a snug, comfortable fit.
NOTE: RocLoc systems are designed to fit ONLY the original helmet. You can not retro fit a helmet with a different model RocLoc.
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