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silly question

webbhostwebbhost Posts: 470
edited February 2008 in Road beginners
No advantage knowing the answer, just curious...

I bought a new 8 speed casette for my bike today and I noticed (and its meant to be like this) that on the 2 smallest gears, 1 pin is not flat edged like the rest of them, but goes into a point?

Was just wondering what the logic was with this.... why do we have this point?

Posts

  • I had the same question about a chainset a few yeras ago. The sprocket teeth looked as if they had been cut by a five year old with a blunt file. The answer is apparenatly to do with smooth gear changing. The teeth are designed to be different shapes in parts of the cassette or chainring, and this somehow aids changing. I must confess that as an engineer, I am somewhat sceptical.
    Perpetuating the myth that Lincolnshire is flat.
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