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what gear combo on 39/53 bike would simulate a fixe/SS?(9 posts)

what gear combo on 39/53 bike would simulate a fixe/SS?tarwheel
May 23, 2003 5:03 AM
OK, so I'm curious about the attraction of fixed gear or SS bikes. If I wanted to see what it was like on my standard 39/53 double, what gear combination would be best? What I'm talking about is doing an entire 20-mile or so ride in one gear combination -- eg. 39/15, 53/21, etc. It's fairly hilly where I live -- no prolonged flats and most climbs ranging from 1/4 mile to 1 mile.
If you use Hummah Hah's standard calculationbigrider
May 23, 2003 5:28 AM
of 2.5 to 1 ratio (which is what I have on my fixed in rolling hill country) then

39/16
53/21
re: what gear combo on 39/53 bike would simulate a fixe/SS?LC
May 24, 2003 8:59 AM
Depends on your leg strength and how steep the hill are. It is interesting how the best gear probally means that you pretty crossed over on a standard double. I would start in a 39x16 or 53x21 and see how that goes.

I got to admit that it is pretty tempting to hit that shifter if you got it...so much so that I could never actually complete a ride in 1 gear till I actually made a real SS. A real SS also has less friction so it is easier to spin fast.
just set the limit screws. nm.Steve_0
May 24, 2003 9:53 AM
No 16 cog on my Shimano rigged biketarwheel
May 28, 2003 6:32 AM
Guess I'll have to try the 53x21 combo. Something tells me that I'll be standing on most of the hills around here. Lots of hills that I generally climb in 39x21 and 39X24.
The neat thing about fixed is realizing ...Humma Hah
May 28, 2003 6:55 AM
... that you're almost NEVER in the "right" gear, but it doesn't matter much because whatever you're running will do the job.

When you stop obsessing over the perfect gear, you discover how versatile your legs are.
It is pretty amazing to watch your legs adjustLC
May 28, 2003 2:33 PM
At first I thought it was impossible too with the big hills around here. The first few weeks I suffered maybe even worst than in alot of races. You learn to be more effient and you get stronger at the same time. When you get back on your geared bike you will have alot more power and spin. Just keep the rides short at first till you grow some real legs.
re: what gear combo on 39/53 bike would simulate a fixe/SS?Mariowannabe
Jun 4, 2003 8:29 AM
I'm a roadie who uses a fixed gear once in a while - when I don't have much time or the weather is crumby. On my fixie I ride a 48/17 which is = to a 53/19. This works well on rides of 20 miles or less. I definitely stand on the hills and my knees let me know it after the ride. The equivelent of a 53/21 (a 48/19 on the fixie)would be a good "winter" gear, requiring a very high cadence. It would be beneficial on the long climbs however.

It comes down to what you want the fixie to do - a nice ride, or a hard ride. IMHO.
spreadsheet helpDougSloan
Jun 4, 2003 9:35 AM
Here you can run any calculation you want:

http://www.midcalracing.com/gears.xls

Gear it so that you can get up the toughest hill without hurting your legs. That's sort of the bottom line. What gear that is depends upon the hill and you, that is, how fast you can climb that hill.

Doug