Grizzly Challenges 07 Grizzly 450 has squeaky rear brake August 8, 2015 My 07 grizzly 450 has a squeaky rear brake. replaced the pads with some from Race Driven and it is worse than the ones that were on it. Any recomendations? Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related