43x15 on 700x23s for 15 skid patches and 75 GI.

Took me a minute to find a 43 130bcd ring!

about to try 40 13.
dont really know what to expect
im new to fix and single speed.

47x17, fav so far

52x17. Nice and quick.

46:17 ... 17 skid patches . Even though skidding/skipping ruin tires and can make them lumpy and uneven i feel that 17 skid patches will shave down my tires evenly.

was 42:16
just picked up a 17t today so its now 42:17
running 175 campy's

45:16

$$x!^

42x16 (69 g.i.) for winter
43x15 (75 g.i.) for summer

46 X 16

was 49:16 (80.5 GI) then i broke the crank+chainring... now its 48:16 (78.8 GI) and yet to ride it due to everything else not working on the bike :D

Fiddy-two sixteen.

40x15

44 X 16 on 26inch Wheels. Gives me like 70 GI.

Anyone do 39/13? I got 13T ripped out of a sprocket.

T

42 X 15 75gi

I'm building my new bike with 44 x 16/15 (it's double fixed hub)
Currently I'm running 48x19 since it's winter, but it's really too low.

Somehow for me too the most comfortable gearing I've ever had was 42x15 on a conversion I sold ages ago.

45X16 ..and can do some hills!

42x16; 700x23.
69.0

1:1
any other ratio and you are not truly connected with your wheel and are using the crutch of mechanical advantage.
Plus you know exactly how fast your wheel is spinning and how it is oriented at all times.

42X17 with a 175. I race FG cross, so I needs ta spin.

42x16. The other side of the flip flop hub is empty and forlorn, so I may add something smaller 14 or 15 maybe? My short daily commute has a nice steep hill in it, so I don't want to go to much higher... but I pedal like mad going down the other side, so it would be nice then.

Me too. I rode 52x16 (86gi) singlespeed for a few years in college but once I started puting in more mileage everyday on my commute I found 52x16 wore me down after a few weeks. My area is flat, but in the late fall I had 4 weeks with a 10-20mph headwind coming home from work. Every dang day. That was enough to switch to 52x17 fixed/free (82gi). Now I dont bog down in winds and still have enough top end for dealing with traffic.

48x16

I understand that as I spent a good part of last summer running 81 gear inches and after a chain-ring and cog swap ended up with 77 gear inches... still have all the top end and a little higher spin for hills and headwinds.

I like my poosie ass 38/15 for a girly 66.4 inches (170mm/700X25), and 15 skeed patches.

when you get to 50 years old, you'll understand.