Sunrace RDM900 9sp Rear Derailleur, Medium Cage, Direct Attach

The SunRace RDM900 is a 9-speed rear derailleur compatible with Shimano mountain bike and gravel shifters and engineered for wide-range 1x drivetrains. It features an adjustable chain stabilizer to minimize chain slap and prevent chain drops on rough terrain.

Speed: Designed for 9-speed drivetrains.

Compatibility: Works with Shimano 9-speed mountain and most 10-speed road shifters, which share a compatible cable pull ratio.

Medium cage (MD): Fits up to a 51-tooth sprocket

Clutch mechanism: An adjustable chain stabilizer, or "clutch," reduces chain movement for quieter and more stable shifting, especially on uneven surfaces.

Construction: Made with a durable alloy body and cage for longevity.

Intended use: Suitable for mountain biking, gravel, and e-bike applications.

Mount type: Uses a standard direct-mount hanger.

Weight: 270g

Additional information

• Speed: Designed for 9-speed drivetrains.
• Compatibility: Works with Shimano 9-speed mountain and most 10-speed road shifters, which share a compatible cable pull ratio.
• Medium cage (MD): Fits up to a 51-tooth sprocket
• Clutch mechanism: An adjustable chain stabilizer, or "clutch," reduces chain movement for quieter and more stable shifting, especially on uneven surfaces.
• Construction: Made with a durable alloy body and cage for longevity.
• Intended use: Suitable for mountain biking, gravel, and e-bike applications.
• Mount type: Uses a standard direct-mount hanger.
• Weight: 270g