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Shimano Dura-Ace Di2 RD-R9250 12-Speed Rear Derailleur The DURA-ACE RD-R9250 integrates the system charging port and a wireless connectivity unit all while delivering super-fast, precise shifting worth of any podium. A single cage length that is compatible with 28-34T low sprockets bringing new versatility to the world's best road component...
SHIMANO Dura-Ace Di2 Rear Derailleur RD-R9150
Maximum Sprocket: 30T
Minimum Sprocket: 11T
Maximum Front Difference: 16T
Total Capacity: 35T
For 11-speed
Weight: 204g
Shimano GRX RD-RX810 Shadow Rear Derailleur
Designed for 2x11 drivetrain setups
Silent and uninterrupted rear shifting on rough terrain
Adjustable chain stabilizer prevents chain slapping and drops
Compatible with current road dual control lever shifters
SHIMANO GRX RD-RX820 SHADOW Rear Derailleur 12-speed The RD-RX820 is compatible with 11-34T and 11-36T 12-speed cassettes, providing a wide gear range so you can spin a comfortable cadence no matter the terrain type. The SHIMANO GRX 12-speed rear derailleur also features an integrated chain stabilizer that delivers quieter shifting...
SHIMANO GRX RD-RX822-GS SHADOW Rear Derailleur 1 x12-speed With its integrated chain stabilizer and medium cage, the SHIMANO GRX rear derailleur delivers quieter shifting, better ground clearance and more secure chain management in rough terrain. The RD-RX822-GS is compatible with 10-45T, 12-speed SHIMANO MTB cassettes, and the chain tensioner has...