It's linear pull brakes....the bike i have is a 2010 Diamondback insight 1
http://www.diamondback.com/bikes/per.../insight-1-10/
I'm at work right now so i'll check when i get home.
So when i squeeze the brake lever it can't travel far. Both pads are on the rim like a vice grip....the only thing that happened was the wheel came loose.