i have just picked up mountain biking and i noticed that when i started riding my bike the disk brakes wernt as responsive as i thought; dont get me wrong the fronts work great but the rear brake doesnt seem to work as good.
what all should i do.
i have a tektro io mechanical disk setup . perhaps they need to be broken in and i am too impatient to wait or should i buy different brake pads?
also i heard that if you sand them down with light grit paper and clean them with alcohol it will make them work better- is this true?