Gearing chart?
06-01-09 | 09:28 AM
#2
Sua Ku
Joined: Aug 2006
Posts: 5,705
Likes: 2
From: Hot as hell, Singapore
Bikes: Trek 5200, BMC SLC01, BMC SSX, Specialized FSR, Holdsworth Criterium
06-01-09 | 09:28 AM
#3
Banned
Joined: Sep 2005
Posts: 28,387
Likes: 3
From: Santa Barbara, CA
Bikes: Specialized Tarmac SL2, Specialized Tarmac SL, Giant TCR Composite, Specialized StumpJumper Expert HT
There is one on sheldon brown's site if you google for "bicycle gear calculator" it is one of the first results. Also, if you are just trying to find equivalent ratios you can divide chainring/cog such as 53/12 = 4.417 and 50/11 = 4.545
06-01-09 | 09:29 AM
#4
Senior Member
Joined: Jun 2007
Posts: 12,257
Likes: 5
From: A Coffin Called Earth. or Toronto, ON
Bikes: Bianchi, Miyata, Dahon, Rossin
50x25 is the same as 42x21.
https://www.panix.com/~jbarrm/cycal/cycal.30f.html
https://sheldonbrown.com/gears/
https://www.panix.com/~jbarrm/cycal/cycal.30f.html
https://sheldonbrown.com/gears/
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Food for thought: if you aren't dead by 2050, you and your entire family will be within a few years from starvation. Now that is a cruel gift to leave for your offspring. ;)
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Food for thought: if you aren't dead by 2050, you and your entire family will be within a few years from starvation. Now that is a cruel gift to leave for your offspring. ;)
https://sanfrancisco.ibtimes.com/arti...ger-photos.htm
