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4499 Views 3 Replies Latest reply: Mar 29, 2012 3:39 PM by BrianMI6
dolphan1968 Rookie 1 posts since
Sep 14, 2011
Currently Being Moderated

Sep 14, 2011 11:11 AM

Trek 720 Cassette

I have an old Trek 720 hybrid that I use as a commuter bike, about 120 miles/week. I don't ever use the bottom 7 gears and could use more speed. Is there a different cassette that I can use that would help increase my speed?

  • bigcattom Rookie 2 posts since
    Apr 10, 2009
    Currently Being Moderated
    1. Nov 1, 2011 5:35 PM (in response to dolphan1968)
    Trek 720 Cassette

    You should be able to replace the cassette with a cassette for a road bike with the same number of sprockets. You will likely have a chance to choose one with a smaller sprocket for high (higher gear), and probably closer tooth counts for closer shifts. You may find the chain is too long, but this can be fixed by taking a link out. Good luck.

  • bigcattom Rookie 2 posts since
    Apr 10, 2009
    Currently Being Moderated
    2. Nov 1, 2011 5:37 PM (in response to bigcattom)
    Trek 720 Cassette

    If my previous answer doesn't get you a high enough gear, you might have to change the front chainrings to have a higher gear. A typical big ring on a hybrid is about the size of the middle ring of a road triple.

  • BrianMI6 Rookie 3 posts since
    Mar 29, 2012
    Currently Being Moderated
    3. Mar 29, 2012 3:39 PM (in response to dolphan1968)
    Trek 720 Cassette

    I agree that making a change to the front chainrings might be the thing to do.  It's a bit of a pain in the butt though.





    Average guy, father of three, works out at LA Fitness where I focus on strength training with some cardio on the side.

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