It's The Masked Rider...Yay! Plus some "Puffy Super Stickers" (!!??) that I bought in West Bay a few years ago:
More Sentai here.
Before the advent of the internet, this was the nearest thing I had to a Sentai style-bible (complete with an episode guide to Space Sheriff Gavan!):
...and here is a random Superhero Name generator. Apparently, my Super-Sentai name is Emperor 8-Track. That would be about right.