KEYWORDS

Sheldon Brown's

Sheldon Brown photo

Gear Calculator

by Sheldon "Gain Ratio" Brown

image

New! Click here for a version for internal gear hubs

image

Wheel Size
Crank Length
Gear units
Chainrings
Stock Cassette
Custom Cassette
Internal Hub
image

Gain Ratios

Gear Inches

Meters Development

image

If you want more numbers, including speed and cadence data,
Jake Odell has a more elaborate gear calculator:

HPV Drivetrain Analyzer

image

Thanks to Stephen D. Cohen and Timothy Lipetz for programming help

Feedback? Questions?

image

Articles by Sheldon Brown and others
Harris
Home
Beginners Brakes Commuting
Lights
Cycle-
Computers
Do-It-
Yourself
Essays Family
Cycling
Frames Gears &
Drivetrain
Bicycle
Humor
Bicycle
Glossary
Bicycle
Links
Old
Bikes
Repair
Tips
Tandems Touring What's
New
Wheels Sheldon
Brown

Accessories Bicycles Parts Specials Tools

Sheldon Brown's Personal Pages
Books Boston My
Bicycles
France My
Hotlists
My
Journal
Miscellaneous Music
Photography Québec Plus Ça Change Radio Mailing lists My Father My Mother My Great-
grandfather

image

Visitor # since November 20, 1998

Copyright © 1998, 2001 Sheldon Brown

Back to Harris Cyclery Home Page

Updated Sunday, January 28, 2001

If you would like to make a link or bookmark to this page, the URL is:
http://www.sheldonbrown.com/gears