SHIBATA:GRKアルミダンパーアジャスト用Oリングをリリース (New Products)SHIBATA:GRKアルミダンパーアジャスト用Oリングをリリース (New Products) SHIBATA: Released O-ring for aluminum damper adjustment for GRK (New Products)Play Listhttps://www.youtube.com/playlist?list=PLriH0t8IprB_8q6i2yi43fFc32cLMTBIh: For beginnershttps://www.youtube.com/playlist?list=PLriH0t8IprB8xd7mSbXgO2...youtu.be
SHIBATA: Released O-ring for aluminum damper adjustment for GRK (New Products)Play Listhttps://www.youtube.com/playlist?list=PLriH0t8IprB_8q6i2yi43fFc32cLMTBIh: For beginnershttps://www.youtube.com/playlist?list=PLriH0t8IprB8xd7mSbXgO2...youtu.be