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  • Thinking of buying a Scott SUB 10 Hybrid on Ride2Work – gear question
  • Karinofnine
    Full Member

    So I'm trying to work out if I will be able to get over the hills that stand between me and work.

    From Bikeradar "The eight-speed gear range is more than enough for regular town and country use. If you’re interested in the numbers, the gear ratios are: 0.53, 0.64, 0.75, 0.85, 1, 1.22, 1.42 and 1.62".

    That means nothing to me.

    If the front chainring has 45 teeth and the rear has 20, how do I work out the gears in gear inches?

    warpcow
    Free Member

    Sheldon is your friend.

    Karinofnine
    Full Member

    Wow! Brilliant! Thanks!

    epicsteve
    Free Member

    My Roadrat has an Alfine and, with a 20t on the rear you can think of the range as being similar to an 11:34 cassette.

    I fine the range with a 45t chainring and 20t cassette pretty much spot on for commuting. If I recall correctly the lowest gear is about 31 gear inches and the top about 100.

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