Bicycle Drivetrain Builder

Derailleurs

Brand Name Design Speeds Part Number Pull Ratio
Campagnolo Ekar 13 RD21-EK13 1.28
Shimano 105 11 RD-5800 1.45
Shimano CUES 10 RD-U6020-10 1.06
Shimano CUES 9 RD-U4020 1.11
Shimano Deore 11 RD-M4120 1.07
Shimano GRX 10 RD-RX400 1.45
Shimano Tiagra 4600 10 RD-4601-SS 1.67
Shimano Ultegra 9 RD-6500 1.64
Shimano Ultegra RX 11 RD-RX800 1.51
SRAM Apex 1 11 RD-APX-1-A1 1.22
SRAM GX 10 RD-GX-T21-A1 1.33
SRAM SX 12 RD-SX-1-B1 1.08