Shimano Ultegra 9-Speed

Part Number RD-6500
Pull Ratio 1.64
Curve Coefficients 6.83, 1.544, 0.02572, -0.001006
Physical Low Limit 6.83
Physical High Limit 47.69
Pull Ratio Averaged Across Pulling Runs 1.669 +/- 0.000
Pull Ratio Averaged Across Relaxing Runs 1.596 +/- 0.000
Pull Ratio Averaged Across All Runs 1.632 +/- 0.074
Pull Ratio 95% Confidence Interval 1.559 to 1.706
Measurement Notes This derailleur had a bent parallelogram
Pull Curve
Pull Ratio Curve. Second smallest and second largest cog positions marked by dots

Pull Ratio Runs

2024-06-26 20-45 Pulling

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

2024-06-26 20-50 Relaxing

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