Shimano Ultegra RX 11-Speed

Part Number RD-RX800
Pull Ratio 1.51
Curve Coefficients 10.20, 1.028, 0.03108, -0.000573
Physical Low Limit 10.20
Physical High Limit 56.42
Pull Ratio Averaged Across Pulling Runs 1.509 +/- 0.010
Pull Ratio Averaged Across Relaxing Runs 1.510 +/- 0.006
Pull Ratio Averaged Across All Runs 1.509 +/- 0.008
Pull Ratio 95% Confidence Interval 1.501 to 1.517
Data Video https://youtu.be/jk8TN2DK8EE
Analysis Video https://youtu.be/pIl8qiARYjc
Pull Curve
Pull Ratio Curve. Second smallest and second largest cog positions marked by dots

Runs

2024-06-21 18-06 Pulling

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

2024-06-21 18-12 Relaxing

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

2024-06-21 18-51 Pulling

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

2024-06-21 18-57 Relaxing

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

2024-06-21 19-02 Pulling

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

2024-06-21 19-08 Relaxing

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