Bicycle Drivetrain Builder

Deore 11-Speed Derailleur

Name: Deore 11-Speed
Brand: Shimano
Part Number: RD-M4120
Pull Ratio: 1.07
Max Tooth: 42
Chain Wrap: 41
Supports Multiple Front Chainrings Yes
Cable Pull Analysis
2025-02-16T16:14:27.449202 image/svg+xml Matplotlib v3.9.2, https://matplotlib.org/
Derailleur motion

Supported Combos

Combination Speeds Status Max Tooth Chain Wrap
Shimano Deore 10-Speed shifter/Deore 11-Speed derailleur 10 Supported 42 41
Shimano Deore 11-Speed group 11 Supported 42 41

Lowest Gearing with Drop-Bar Shifters

Combination Speeds Status Max Tooth Chain Wrap
Shimano CUES 10-Speed shifter/Deore 11-Speed derailleur 9 Has Potential 42 41
Shimano CUES 10-Speed shifter/Deore 11-Speed derailleur 10 Has Potential 42 41
Shimano CUES 9-Speed shifter/Deore 11-Speed derailleur 9 Has Potential 42 41

Widest Range with Drop-Bar Shifters

Combination Speeds Status Max Tooth Chain Wrap
Shimano CUES 10-Speed shifter/Deore 11-Speed derailleur 9 Has Potential 42 41
Shimano CUES 10-Speed shifter/Deore 11-Speed derailleur 10 Has Potential 42 41
Shimano CUES 9-Speed shifter/Deore 11-Speed derailleur 9 Has Potential 42 41