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Bike Tire and Gear Belt

Step 6Choose your gears

Choose your gears
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Now lets look a bit closer at our gear assortment. You need a smaller gear that will fit through:

(1) the opening in the bigger gear
(2) your belt loops

You also don't want the bigger gear to be too big or it is going to gouge you when you bend over. ouch!

None of the little gears was really quite small enough, so i'm going to grind it down in the next step.

I ended up using a 17T gear from a single-speed bike and a 13T gear from the rear cluster.

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Author:dan(MonkeyLectric)
Dan Goldwater is a co-founder of Instructables. Currently he operates MonkeyLectric where he develops revolutionary bike lighting products. He also writes a DIY column for Momentum magazine.