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Thread: Help!!

  1. #1
    Join Date
    Aug 2004
    Location
    Kinross, Scotland
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    147

    Help!!

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    What's the difference between a Trip;e and a Compact. Which is the best (I struggle on hills these days). I've not been out much on my bike lately (I'm blaming my deppresion) and my hill climbing has suffered for it (Can't cycle musch around here without some kind of hill).
    Don't buy upgrades; ride up grades. - Eddy Merckx


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  2. #2
    Join Date
    Oct 2006
    Location
    Reporting from Moonshine Mountain
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    1,327
    Hi RR. I am certainly no expert but I will share what I know. A triple has 3 chainrings - usually the largest is a 52 tooth, then a 42, then then smallest is a 30. A compact has two chainrings with the biggest usually a 50 and the smallest a 34.

    I have always ridden with a triple and also struggle on hills. Recently I rode a friend's bike that had a compact double and the hills seemed easier. It all has to do with gear inches and math I can't figure out! I am considering switching from my triple to a compact at some point.

    Oh, and the cog on the back of my bike (with the triple) is a 12 - 27; the one on the compact was an 11 or 12 - 25. To me, climbing in the compact should have seemed harder but it didn't.
    "When I'm on my bike I forget about things like age. I just have fun." Kathy Sessler

    2006 Independent Fabrication Custom Ti Crown Jewel (Road, though she has been known to go just about anywhere)/Specialized Jett

  3. #3
    Join Date
    Aug 2004
    Location
    Kinross, Scotland
    Posts
    147
    Thanks IFjane that seems to clear it up a bit fr me. I thought it would be harder. I'm definately swaying toward one now.
    Don't buy upgrades; ride up grades. - Eddy Merckx


    http://www.flickr.com/photos/8926098@N05/

  4. #4
    Join Date
    Jul 2004
    Posts
    2,609
    The two factors that go into what makes it easier to climb are the size of the small ring up front, and the size of the largest cog in the rear cassette. The compact you tried might have had a bigger rear cassette.

    The small ring on a triple is a 30. The small ring on a typical compact is a 34. With the same cassette on the rear, the triple will give you an easier gear for climbing. You can get similar gearing by putting a larger rear cassette on a bike with a compact, but if you had that same large cassette on a triple, it would be even easier gearing.

    People prefer compacts because they believe that shifting is cleaner and more precise with only two rings up front, and they'll also save weight. "Racers" will look down at triples, although anything that make cycling more enjoyable is good in my book!
    For 3 days, I get to part of a thousand other journeys.

  5. #5
    Join Date
    Aug 2004
    Location
    Kinross, Scotland
    Posts
    147
    Thanks Pedal Wench. That helps clear things up a bit more. I'm not very knowledable about things like that. I just get on and ride (Talk about giving blondes a bad name eh lol). Hubbie wasn't much help either though. I knew you folks would know your stuff though. I'm glad to be back with you all.

    I haven't actually tried the bike as the bs will have to order it in for me especially. I'ts just a small family run business and they don't have any wsd bikes in stock (lack of demand, I think).

    Not very many bs's around here will let you ride a bike (especially new new ones).
    I'll ask about the ratios when I go back over there though.
    Don't buy upgrades; ride up grades. - Eddy Merckx


    http://www.flickr.com/photos/8926098@N05/

  6. #6
    Join Date
    Apr 2007
    Location
    Limbo
    Posts
    8,769
    Quote Originally Posted by Roadrunner View Post
    Not very many bs's around here will let you ride a bike (especially new new ones).
    Huh???!!!
    How do they expect to sell them?
    Can you imagine buying a new car without a test drive?
    2008 Trek FX 7.2/Terry Cite X
    2009 Jamis Aurora/Brooks B-68
    2010 Trek FX 7.6 WSD/stock bontrager

  7. #7
    Join Date
    Aug 2004
    Location
    Kinross, Scotland
    Posts
    147
    You can sit on one if they have it in stock, but that's usually about it. There are a few who'll let you test ride, but that's not much use if they don't sell the bike your after.
    Don't buy upgrades; ride up grades. - Eddy Merckx


    http://www.flickr.com/photos/8926098@N05/

  8. #8
    Join Date
    Jul 2005
    Location
    Bay Area, California
    Posts
    53

    triple vs Compact double

    Hi,

    I switched from a triple to a compact double about a year ago. It is possible to get exactly the same gearing minus one gear in a compact and the difference in shifting makes that one gear loss unnoticeable. I find it
    much smoother, much easier on hills and no loss at all. When I was
    thinking of the shift the bike shop I use suggested I ride my usual rides
    without going down into the final "granny gear" and see if that worked.
    It did and so I made the shift and wouldn't consider returning to the cumbersome triple. I have never de-chained since making this shift and
    feel total confidence in the compact double. I also find that the new
    gearing ratios make it so that I ride most of the time in the double and
    rarely use the top ring other than for long flats or descents.

    Hope you get back on your bike soon...it's the best depression medicine out there!!!

  9. #9
    Join Date
    Jan 2005
    Location
    Vernon, British Columbia
    Posts
    2,226
    My old road bike had a triple, my new one is a compact. I only got the new one about 6 weeks ago, and only had one chance to ride it outdoors before the snow came - I am in terrible shape after a long "illness" kept me off the bike for over a year, and the hill outside our house was no problem at all! I was amazed at how easy it was to climb.

    It is all about ratio and fit.

    You're going to be so happy to get our riding again! Surround yourself with butterflies and the hill will just fly by!

    Hugs and butterflies,
    ~T~
    The butterflies are within you.

    My photos: http://www.flickr.com/photos/picsiechick/

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  10. #10
    Join Date
    Nov 2005
    Location
    Between the Blue Ridge and the Chesapeake Bay
    Posts
    5,203
    I switched from a double to a compact double on my Luna last fall. Switching to a triple would have had the domino effect on the brake levers, front derailleur, and all sorts of things. So I went with the compact double and I've been very pleased.

    If I were to get a new touring bike, I would have to research about which way is better from a fresh start, but the compact double has been a great switch-out on the Luna.

  11. #11
    Join Date
    Aug 2004
    Location
    Kinross, Scotland
    Posts
    147
    Thanks you guys. You're all so encouraging.
    I've been comparing the two bikes and my son reckons that the Specialized has a more relaxed geometry. I'm going to sit on one on Thursday. I'll let you know my decision (If |I ever make it lol).confused:
    Last edited by Roadrunner; 12-29-2007 at 01:18 PM.
    Don't buy upgrades; ride up grades. - Eddy Merckx


    http://www.flickr.com/photos/8926098@N05/

  12. #12
    Join Date
    Apr 2005
    Location
    Middle Earth
    Posts
    3,997
    I know alot of people swear by triple chain rings, but you can get all the gearing you need with two rings.

    I have two chain rings on my TT race bike (55-39).
    Its a 9 speed with 27-13 on the back.
    I essentially ride only flat courses with it - but I can climb 12 and 14% gradients on it.

    ...and I have a compact set on my road race bike (50-34) Its a 10 speed with 27-12 on the back.
    With slightly lower gears I can climb hills a tad more easily - but there is not alot in it.

    I have a triple on my mountain bike but I only use the small and medium cogs - never the biggest when I am off-road.

    Essentially, I have found a compact to be a good "in-between" option. It does everything for me a triple would without the hassle (for me) of a third ring.

    I much prefer having only two cogs at the front, because it means less thinking involved...


    Courage does not always roar. Sometimes, it is the quiet voice at the end of the day saying,
    "I will try again tomorrow".


 

 

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