If you don't have derailer gears, there's a technique you can use to extend the lifespan of your drivetrain parts. See my new article on this:
http://sheldonbrown.com/chain-life
Sheldon "Even Numbers" Brown
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| When I think back on all the crap I learned in high school |
| It's a wonder I can think at all |
| And though my lack of education hasn't hurt me none |
| I can read the writing on the wall --Paul Simon |
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