GLOVERSVILLE — When Annmarie Maynard needed a name for her new variety store — which opened on June 26 — she thought of her prized Yamaha 600 motorcycle. “I’m a biker,” Maynard explained recently, as she stood inside the store. Her motorcycle is not ridden in a recumbent position, as on a Harley-Davidson, but with its operator hunched atop the machine like a jockey on a racehorse. “Yeah, it’s a crotch rocket,” Maynard added, laughing, and said Gear Heads Variety Store was the perfect moniker for the enterprise inside 82 N. Main St. The last Monday of June was the store's…