Shimano Ultegra 11-Speed

Part Number ST-R8020
Cable Pull 2.50
Raw Measurement Data CSV file
Data Video https://youtu.be/rteGCukyrHg
Analysis Video https://youtu.be/J-Yi6OzVvhc
Shift Shift Spacing
1-2 (most cable pull/easiest gear) 2.49 mm
2-3 2.44 mm
3-4 2.47 mm
4-5 2.47 mm
5-6 2.49 mm
6-7 2.49 mm
7-8 2.51 mm
8-9 2.53 mm
9-10 2.60 mm
10-11 (least cable pull/hardest gear) 3.12 mm
Shift Table
Cable Pull

Positions

Average cable position at each gear
Standard deviation of cable position at each gear
Pulling position minus relaxing position

Shift Amounts

Average cable position change between gears
Standard deviation of cable position change between gears
Pulling position change minus relaxing position change