RD-M520c 12/11 Speed Shimano Road Compatible Rear Derailleur
Wide range rear derailleur ideal for gravel bikes. Compatible with Shimano 105 ST-5800 and GRX 600/810 road shifters.
- Overlength Cage
- 12/11-speed
- Shimano Road compatible
- Chain stabilizer reduces chain bouncing on rough terrain
- Aluminum cage, B-knuckle, B-bolt and outer link
- Bearing-equipped composite pulleys
- Weight: 269g