I just bought an 08 Diamondback Response Sport. Nice bike, big fan of it. Comes with Hayes MX4 disc brakes, which seem to be an absolute bear to tune right. I'm hearing the MX4's are preeeeetty darn low end.
The one thing I've been hearing is the ease of tuning with the BB7, but for 45 a pop it's just kind of... ehh... but I found BB5's for 30 a pop... more in my league.
Is there a significant difference that would justify waiting to get BB7's? Or should I get the 5's and be happy?
Or, is there another disc brake option (decently priced, of course) that would be an upgrade from my MX4's that I should consider?