Ali Tercan
Ali adlı kullanıcıdan daha fazla fikir
http://www.motorcyclemaintenancetips.com/motorcyclehelmetchoices.php has some info on motorcycle helmets and how properly select the right one.

http://www.motorcyclemaintenancetips.com/motorcyclehelmetchoices.php has some info on motorcycle helmets and how properly select the right one.