jack shift

  1. M

    Shift Kit: Do I need a left side sprocket?

    I hope this isn't the wrong section because I have a super newbie question about using a 'shift kit.' Question: (1) With the shift kit, does it mean that i no longer need to run a sprocket on the left side of the bike and can just rely on the right side cassette (gears)? (2) Or does...