Laconic / Kamen Rider

The Franchise: Masked, belted Henshin Hero bikers with insect motifs kick monster butt. Often, literally.

The First Series: A Phlebotinum Rebel with a grasshopper mask and Cool Bike fights against an evil organization filled with Nazis and animal-themed monsters.
TOOHH! RAIDAAA KIKKUU!!!
http://tvtropes.org/pmwiki/pmwiki.php/Laconic/KamenRider