Cassette














Required Rear Derailleur Capacity:

Rings

Chainrings



Required Front Derailleur Capacity:

Wheel

Wheel Size Tire Width Tire Deflection

Crank

Crank

Save

Title
Choose Chart Order:     Large to Small Small to Large   Enable Highlighting
URL  

Rings & Crank















Required Rear Derailleur Capacity: Required Front Derailleur Capacity:

Speed Range

RPM Range from to RPM     mph kph     Grid     Sort

Semi-Log

Inches

Rollout

Inches Meters

Gain

Gain Ratio Chart

Speed

RPM     mph kph

All-in-One

Speed Range
RPM Range from to RPM     mph kph     Grid     Sort
Log Chart
Rollout
Inches Meters
Gain Ratio

About

Mike Sherman's Bicycle Gear Calculator

Revision 5.2.0

Comments, suggestions, and bugs to: Mike Sherman at wheelwrightmike@gmail.com. Please let me know what browser you are using.

I've reformatted the calculator to allow the user to see whichever representation of the gears they desire. This should allow the calculator to be more useful on mobile devices. This new revision includes many requested changes. Please send me your comments.

I've been sitting on updates many users have requested for a couple of years because of lack of time and/or energy to update the pages on eht Earthlink servers where they reside. Adding to that, I've been looking for a new home for my calculator, as I don't find the rest of my webpages useful anymore.

I still hope to move the calculator to another server in the future. I will notify those that have communicated with me about the calculator about any new home it may find.

Here's some more about the program and its history.