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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 12-11-09, 09:25 PM   #1
Sincitycycler
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Bike messengers: What gear ratios do you use?

Sheldon Brown recommends 70 gear inches for most people. I use 75 on a 54x19.

What does everybody here use out of curiousity?

How about you San Francisco guys? 42x19?
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Old 12-11-09, 10:32 PM   #2
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what's a bike messenger?
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Old 12-11-09, 10:32 PM   #3
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not a messanger, but i find 70 great for the hills/wind around iowa
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Old 12-11-09, 10:44 PM   #4
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76ish is great for hill less sac/davis

i keep it around 73-76 it seems
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Old 12-11-09, 11:11 PM   #5
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46x16 works nicely except on the really steep hills. I ride around those.
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Old 12-11-09, 11:22 PM   #6
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im thinking bout dropping down to 65ish for the winter.
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Old 12-11-09, 11:23 PM   #7
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seattle or nyc?
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Old 12-11-09, 11:37 PM   #8
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oh wait i'm not a messenger disregard my comment
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Old 12-12-09, 01:05 AM   #9
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Quote:
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46x16 works nicely except on the really steep hills. I ride around those.
+1
I always go around them rather than go up a really steep hill at a crawling, slower-than-walking pace.
Then a pedestrian will walk by staring and giving me a condescending look.
So I salute him with my finger.
Then he gets up in my face real close.
So I smash his face in with my u-lock.

But that's another story.
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Old 12-12-09, 02:24 AM   #10
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A lot of messengers ride geared bikes.
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Old 12-12-09, 02:25 AM   #11
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42x16. it's perfect with all the snow around here.
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Old 12-12-09, 10:11 AM   #12
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78.8 (48x16)

I've been working out since I was 18 (33 now), and I'm getting to the point where I can't get myself to go to the gym, even though we have a free fitness center at work with everything you could imagine (we're spoiled). The problem is, it's boring as hell. So, I got an idea...

Instead of getting weak and fat this winter (like last winter when I gained 20lbs), I bought a SS road bike and put a larger-than-normal gear ratio on it. I ride for enjoyment, but I also ride to keep my legs strong. I spin all summer long on my geared XC trail bike, so I have the endurance and flexibility thing taken care of, so the big gear on the road bike is about building/maintaining strength. As my legs get stronger, I plan to replace the 48T 'ring with a 50T, for 82.1 gear inches. If I can go bigger next year, I'll do that, too. If not, then I'll keep the 50. I live in a very hilly city, so I don't want to over-do it.

So, basically, the bike is a gym replacement. Sure beats the hell out of doing leg presses in a hot gym all winter.
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Old 12-12-09, 11:13 AM   #13
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55 GI. I deliver packages to myself.
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Old 12-12-09, 12:32 PM   #14
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what's a bike messenger?
RU serious?
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Old 12-12-09, 02:05 PM   #15
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seattle or nyc?
I live in Seattle and ride 74 GI. Seems to treat me pretty well going up most of the hills, and I don't find myself spinning out on the downhills.
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Old 12-12-09, 02:17 PM   #16
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Not a messenger...but I've found 48/16 (70gi) to be quite comfortable for the area I live/ride in. The bike I'm currently building will be a little more relaxed. I'm thinking 48/20 (63gi).
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Old 12-12-09, 02:27 PM   #17
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I usually ride a geared bike but when it rains I ride 48-17 in san diego. but I only do messengering as a fill in for friends sometimes.
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Old 12-12-09, 03:01 PM   #18
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Not a messenger...but I've found 48/16 (70gi) to be quite comfortable for the area I live/ride in. The bike I'm currently building will be a little more relaxed. I'm thinking 48/20 (63gi).
48/16 is closer to 80GI, which is also what im on now, mainly cuz it was the only extra cog i had

im also switching over to 48/20 for the winter.
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Old 12-12-09, 04:33 PM   #19
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46/17 in both fixed bikes in the summer and 46/18 in the winter
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Old 12-12-09, 05:55 PM   #20
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48/16 is closer to 80GI
My error...I meant 48/18. 48/16 was no good for my aging knees.
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Old 12-12-09, 07:53 PM   #21
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I am also not a messenger but I run 48/18 fixed and I ran 48/16 free until I switched to a more cruiser type free setup and now I'm rocking 48/19.
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Old 12-13-09, 12:13 AM   #22
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You leave for a few years, you come back, post topics and responses are all the same.
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Old 12-13-09, 12:29 AM   #23
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And bicycles still have two wheels. Weird, right?
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Old 12-13-09, 04:56 PM   #24
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I prefer the 4/20 ratio it keeps me flying high.
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