Karl's visual drivetrain comparison tool

Compare two different bicycle drivetrains side-by-side. Supports any number of chainrings and cogs, as well as many popular internally-geared hubs.

Inputs:

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Drivetrain 1:

Tire:
IGBB:
Rings:
Cogs:
IGH:

Drivetrain 2:

Tire:
IGBB:
Rings:
Cogs:
IGH:


Labels:

Internal Gearing:

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Output Chart:

visual drivetrain comparison graphic

Link to this page:
http://www.kstoerz.com/gearcalc/compare/?link=1&lbl=1&tsid1=1&igbbid1=1&cogs1=11,12,14,16,18,21,26,32&rings1=46,36,24&ighid1=1&tsid2=1&igbbid2=1&cogs2=13,14,15,16,17,19,21,23&rings2=53,39&ighid2=1

to-do list:
- add more internally geared hubs
- add a lot more tire size data and make sure it's right
- add labels to the output image
- allow output units (gear inches, meters development, ratios, etc.) to be selected.
- is a log plot useful to show even gear spacing?

Cassettes:

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(copy and paste for easy reference)

5-speed (freewheels)
Shimano 14-28 14,17,20,24,28

6-speed (freewheels)
Suntour 14-19 14,15,16,17,18,19
Shimano 14-28 14,15,18,21,24,28
Shimano 14-34 megarange 14,15,18,21,24,34

7-speed
Shimano 12-32 12,14,16,18,21,26,32
Shimano 13-26 13,15,17,19,21,23,26
Shimano 12-28 12,14,16,18,21,24,28
Shimano 13-28 13,15,17,19,21,24,28
Shimano 13-30 13,15,17,20,23,26,30
Shimano 14-32 14,16,18,21,24,28,32
Shimano 13-34 13,15,17,20,24,29,34

8-speed
Campagnolo 12-23 12,13,14,15,17,19,21,23
Campagnolo 13-23 13,14,15,16,17,19,21,23
Campagnolo 13-26 13,14,15,17,19,21,23,26
Harris Cyclery 13-30 13,15,17,19,21,23,26,30
Harris Cyclery 13-32 13,15,17,19,21,23,26,32
Harris Cyclery 13-34 13,15,17,19,21,23,26,34
SRAM 12-23 12,13,14,15,17,19,21,23
SRAM 12-26 12,13,15,17,19,21,23,26
SRAM 11-28 11,12,14,16,18,21,24,28
SRAM 11-30 11,12,14,16,18,21,26,30
SRAM 11-32 11,12,14,16,18,21,26,32

9-speed
Campagnolo 13-23 13,14,15,16,17,18,19,21,23
Campagnolo 13-26 13,14,15,17,18,19,21,23,26
SRAM 11-21 11,12,13,14,15,16,17,19,21
SRAM 11-23 11,12,13,14,15,17,19,21,23
SRAM 12-23 12,13,14,15,16,17,19,21,23
SRAM 11-26 11,12,13,15,17,19,21,23,26
SRAM 12-26 12,13,14,15,17,19,21,23,26
SRAM 11-28 11,12,13,15,17,19,21,24,28
SRAM 11-30
SRAM 11-32 11,12,14,16,18,21,24,28,32
SRAM 11-34 11,12,14,16,18,21,24,28,34

10-speed
IRD 11-32 11,13,15,17,19,21,23,25,28,32
Shimano 11-28 11,12,13,14,15,17,19,21,24,28
Shimano 12-23 12,13,14,15,16,17,18,19,21,23
Shimano 12-25 12,13,14,15,16,17,19,21,23,25
Shimano 12-27 12,13,14,15,16,17,19,21,24,27
SRAM 11-23 11,12,13,14,15,16,17,19,21,23
SRAM 11-25 11,12,13,14,15,17,19,21,23,25
SRAM 12-25 12,13,14,15,16,17,19,21,23,25
SRAM 11-26 11,12,13,14,15,17,19,21,23,26
SRAM 12-26 12,13,14,15,16,17,19,21,23,26
SRAM 12-27 12,13,14,15,16,17,19,21,24,27
SRAM 11-28 11,12,13,14,15,17,19,22,25,28
SRAM XX 11-32 11,12,14,16,18,20,22,25,28,32
SRAM XX 11-36 11,12,14,16,18,21,24,28,32,36

11-speed
Campagnolo 11-23 11,12,13,14,15,17,18,19,20,21,23
Campagnolo 11-25 11,12,13,14,15,16,17,19,21,23,25
Campagnolo 12-25 12,13,14,15,16,17,18,19,21,23,25
Campagnolo 12-27 12,13,14,15,16,17,19,21,23,25,27