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  1. #1
    Commuting Fool
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    How many gear inches do you use?

    .

    Most "experts" say 70 inches is a happy medium. I use a 42 x 16 which is 70.9", so i'm spot on.

    How bout y'all? More or less?

  2. #2
    hell's angels h/q e3st ny brunop's Avatar
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    44/16 on one bike, 47/17 on the other. whatever those are in inches. fine for boston and nyc.
    ". . .a striped jersey under his jacket; bared calves (outside the bicycle track); cap pushed back; feet in a false position on the pedals; a barking horn, a disorderly appearance, an always-dry tongue, and a definite fondness for wine merchants. . ."

  3. #3
    Team Beer Cynikal's Avatar
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    I'm currently using 47x17, a bit higher than I like but Sac is flat. I found that 74-76 worked really well for me.
    I'm not one for fawning over bicycles, but I do believe that our bikes communicate with us, and what this bike is saying is, "You're an idiot." BikeSnobNYC

  4. #4
    Senior Member shecky's Avatar
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    I have 81 gear inches, but rarely use all of them.

  5. #5
    keep it pretend visitordesign's Avatar
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    did a century on 48x16 this weekend with rolling hills equal to 4000 ft of climbing as per someone's GPS. felt fine to me. i commute on 48x17 and train on 48x15.

  6. #6
    perspective distorts killsurfcity's Avatar
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    i have no idea how to calculate gear inches. i roll on 52x19. feels good all around.
    the sound of life

    "I have nothing to say and I am saying it and that is poetry." - John Cage

  7. #7
    anarchy burger skelly's Avatar
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    78.8 - comfortable most of the time, but i struggle on big hills.

  8. #8
    sh!thead on dynamite BEARPAW!!!'s Avatar
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    i ran 93.6 [52x15] for about a year, then recently dropped down to 72 [40x15]. 40x15 is much, much better on my knees.

  9. #9
    staring at the mountains superdex's Avatar
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    48/18 with 172.5 cranks, right at 70.1, and it's peachy for me...

  10. #10
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    I run 47/16 which is 77.2" and it works great in NYC.

  11. #11
    Not so new
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    I gear much lower, usually 60-64 inches, for climbing the steeper hills around NYC. I almost always run a freewheel, so I don't have to worry about maintaining a spin while descending. I lose some top-end speed, but that's only an issue on a group ride. I think the lower gear makes it nice when taking off from stoplights and stop signs in the city.

    54/22 or 55/21 with 26" x 1.125 tires
    Last edited by trentschler; 08-11-06 at 05:59 PM.

  12. #12
    The worst.
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    Roughly 70 inches, I guess. It doesn't matter to me very much.

  13. #13
    One speed: FAST ! fordfasterr's Avatar
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    Quote Originally Posted by killsurfcity
    i have no idea how to calculate gear inches. i roll on 52x19. feels good all around.

    You can use the gear calculator HERE


    For your 52x19, that = 73.89 inches =)
    Florida Velodrome Association.
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    CAT-2. Road Bike: 2011 Specialized Allez SRAM Apex. .. and yes, I am vegan.

  14. #14
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    ~ 72 inches - (45 x 17 @ 28mm tires)

  15. #15
    (((Fully Awake))) Serendipper's Avatar
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    36x13 (!)

    Quite a workout, I must say. After training on this, I'm switching to 36x15.

  16. #16
    good question.
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    38 x 13 = 71.5 w/26" wheels. i would go higher than 38, but that's the largest that will fit without hitting my mtb chainstays.

  17. #17
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    My combination is a 38/15

    comes out to 68 inches, I can ride up to 22mph without over spinning, also can ride in the 14mph range for hills, but still can be rough if I don't pick the right routes in Arlington VA outside of Washington DC. I also find this gear really good for the C&O canal, but in the winter I ran a 34 X 14 which is 65 gear inches which was nice for the C&O and flat areas, but a pain for anything downhill.

  18. #18
    Senior Member
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    42x13 - ~87.23 gIn. on my black bike

    52x16 - ~87.75 gIn. on my red bike..

  19. #19
    Bulldozer GirlAnachronism's Avatar
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    48 x 15 now, but i'm thinking of gearing down to 17 on the rear to give my knees a little break...
    You're not punk, and I'm telling everyone.

  20. #20
    or tarckeemoon, depending marqueemoon's Avatar
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    My new ss Cross Check build is 42x17 with 40mm knobby tires and 175mm cranks. Gear inch-wise it's nearly identical according to Sheldon (in the 67-68 range) to my 46x17 fixed with skinny tires but the feel is totally different. The fixed has 170mm cranks and the ss has 175mm cranks.

    I will eventually put a 19 or 20 tooth freewheel on the other side of the Cross Check's hub for much lower (more ss MTB-ish) gearing.

  21. #21
    NoGoSlow HelluvaStella's Avatar
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    70.1" (700x23, 170mm, 48x18) according to Sheldon Brown and his magical calculator. Good for Philly, but I spin out too easily.
    Quote Originally Posted by crushkilldstroy View Post
    I'm Irish. I'd get in a fight over a lukewarm coffee or an untied shoe.

  22. #22
    do I really need one? Sunks000's Avatar
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    I ride 92.6 gear inches. 48/14. It is a little to easy to peddle, I am looking at going a little higher.
    When it is dark enough, you can see the stars.

  23. #23
    Senior Member sers's Avatar
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    71.5 - 49x18 165mm 700x23

  24. #24
    PBR ME ASAP Plow Boy's Avatar
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    77.3, 50x17, 170mm Cranks

  25. #25
    Senior Member juvi-kyle's Avatar
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    69
    Quote Originally Posted by dutret
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