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Thread: The Gear Ratio

  1. #1
    Semi-Pro Ameteur
    Reputation: PacificPilot's Avatar
    Join Date
    Nov 2008

    The Gear Ratio

    Gear ratios.

    How do y'all feel?

    I like a micro 25 in the front for the weight and look - and somewhere around a ten in the back.

    Thoughts, opinions, rants, all that...
    Let's take Colorado and go chill with the British Isles.

  2. #2
    mtbr member
    Reputation: cmc4130's Avatar
    Join Date
    Jan 2008
    55 gear inches is the classic BMX gear. 60 gear inches is fine if you want to haul asz--not good for gate starts at the track or short run up drop-ins at the skatepark. as you get less than 55 it gets spinnier.

    what size wheels do you have ?

    use the gear ratio formula:

    25/ 10 X 20" wheel = 50 gear inches. yuck.

    25/10 X 22" = 55. perfect.

    25/10 X 24" = 60 . haul asz.

    25/10 X 26" = 65 haul even more asz.

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