SRAM, GX Type 2.1, Rear derailleur, 10sp., Long cage, Black

The SRAM GX 2x10 rear derailleur (RD-GX-T21-A1) is engineered for riders seeking reliable performance across diverse terrains. Incorporating Exact Actuation™ technology, it ensures consistent and precise 10-speed shifting. The ROLLER BEARING CLUTCH™ system maintains chain tension and minimizes chain slap, enhancing drivetrain stability. Constructed with a durable aluminum cage and steel pulley bearings, this derailleur is compatible with 1x, 2x, and 3x drivetrain configurations.​

Specifications:

• Speed: 10-speed

• Cable Pull Ratio: Exact Actuation™

• Cage Lengths: Short, Medium, Long

• Maximum Tooth Capacity: 36T

• Color: Black

• Pulley Bearings Material: Steel

• Cage Material: Aluminum

• Drivetrain Compatibility: 1x, 2x, 3x

• Weight: Approximately 302g (based on 2x10 Long Cage)