The seven idp m2 helmet a range topping open face helmet with one hand adjustment conehead technology as bikes become more capable and trail riding gets faster the m2 slots into the current generation of open face protection coneheadtrade technology utilises dual density foam to dissipate impacts more effectively giving you a safer ride seven idp m2 helmet features open face all mountain design coneheadtrade technology uses dual density foams which act as an impact abso