Sirius rolled his eyes a little. Yes he had helmets and such because of safety yap yap whatever. But it wasn't like the bike was going to be doing any of the most fun - and dangerous - stuff with two people on it. The mass became too much. So really, Sirius didn't think they were strictly necessary. But Remus asked. "Yea yea yea," Sirius handed one back to him and pulled one on as well.
"You know, you're just going to get pulled into me anyway, so you might as well sit closer," Sirius pointed out as he began to drive them away from the house.