Shimano 105 11-Speed

Part Number RD-5800
Pull Ratio 1.45
Curve Coefficients 9.55, 1.106, 0.02201, -0.000403
Physical Low Limit 9.55
Physical High Limit 57.36
Pull Ratio Averaged Across Pulling Runs 1.455 +/- 0.010
Pull Ratio Averaged Across Relaxing Runs 1.444 +/- 0.028
Pull Ratio Averaged Across All Runs 1.449 +/- 0.024
Pull Ratio 95% Confidence Interval 1.426 to 1.473
Data Video https://youtu.be/k_x4DJSQ8AE
Analysis Video https://www.youtube.com/watch?v=YyO71cNk6sk
Pull Curve
Pull Ratio Curve. Second smallest and second largest cog positions marked by dots

Runs

2024-06-22 10-26 Pulling

Raw Measurement Data
Data and best fit line, excluding points taken at limits

2024-06-22 18-31 Pulling

Raw Measurement Data
Data and best fit line, excluding points taken at limits

2024-06-22 18-42 Pulling

Raw Measurement Data
Data and best fit line, excluding points taken at limits

2024-06-26 18-25 Relaxing

Raw Measurement Data
Data and best fit line, excluding points taken at limits

2024-06-26 18-37 Relaxing

Raw Measurement Data
Data and best fit line, excluding points taken at limits

2024-06-26 18-47 Relaxing

Raw Measurement Data
Data and best fit line, excluding points taken at limits