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  1. #1
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    Mountain Bike Gearing Question

    OK, I'm 52, picked up biking again about 1-1/2 years ago. Had both knees replaced in July and have worked myself up to about 175 miles per month on the road. We are buying a house in Chattanooga and I want to start some trail riding. Thinking about a 2x10, and would like some opinions on suitability. I'm riding a compact on my primary road bike, but also have a triple on my back-up road bike. There will be some about town riding in getting to some trails. Just want some opinions.

    Thanks

    Zel

  2. #2
    Two-Wheeled Aficionado ColinL's Avatar
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    I ride my MTB on the road sometimes and it works fine, but I coast down hills sooner (as in, at a lower speed) than I would on a road or cyclocross bike because it runs out of gear.

    It's a 28/39 2x10 using a 11-36 cassette. (the odd chainrings are because the rear derailleur won't work with the stock 26T small chainring and the 11-36 cassette.) 39x11 is a lot of gear when you get down to it, and you can go >20 mph on flat ground. but like I said, you can't expect to pedal >30 down a hill. just coast and enjoy the ride.

    On the trail, I can stay in the big ring and use the whole cassette in most areas. Only in really hilly areas (yep, Kansas has a few, near OK and MO mostly) do I even need to shift to my small ring. I wouldn't use a 1x10 though.

  3. #3
    Senior Member c_m_shooter's Avatar
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    a 2x10 is big improvement in reliability over the old triples that I have had. You don't really lose much range. With the old 22 tooth front sprockets I couldn't use the bigger gears in the back anyway. My current trail bike has 32/40 front rings and an 11-34 cassette and I like it. It came with a 26/36/46 triple that has been tossed because it had too much range for the derailer to handle on rough trails.
    May your trails be crooked, winding, lonesome, dangerous, leading to the most amazing view.
    May your mountains rise into and above the clouds. -Edward Abbey

  4. #4
    Junior Member
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    Thanks for the quick responses. Sounds like I have a plan.

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