hey guys
me again lol you prob all getting sick of my questioins

i have just bought a sigma 590. good price at 25 bucks and has a ugly wire lol. i no its not gps but yea.

the other question i have is im running: Tektro mechanical Disc brakes, Shimano levers

i want to know should i upgrade front and bake or one.

i have a jamis x3 2011.

sorry to put anther post up but yea i always got tols if your dont ask you dont learn!!