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3x10

  1. Drivetrain
    Im looking to build an xc bike and I need to decide on gearing options. If someone could please list the pros and cons of each system and the gear ratio charts for each(30spd: 22-33-44 x 12, 13, 15, 17, 19, 22, 25, 28, 32, 36; 20spd: 28-42 x 11, 12, 14, 16, 18, 21, 24, 28, 32; 10spd: 34 x 11...
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