Rear derailleur SunRace RDM91, 9-speed, long cage

SunRace makes bicycle components for mountain (MTB), road, electric, city and children’s bikes. Its range includes shifters, derailleurs, cassettes, cranksets, chains and other components. Founded in Taiwan in 1972, the company makes components designed for smooth gear shifting and compatibility with major bicycle systems.

Technical specifications

• Cage length: long
• For 9-speed systems
• Compatible with SHIMANO/SRAM
• Maximum tooth count on the largest sprocket: 34T
• Minimum tooth count on the smallest sprocket: 11T
• Maximum tooth difference between the largest and middle chainrings: 22T
• Maximum capacity (largest front chainring − smallest front chainring) + (largest rear sprocket − smallest rear sprocket): 45T
• Outer and inner links: steel
• Bracket body: aluminium
• Plate body: engineering polymers
• Outer and inner cage sections: steel
• Guide pulley: 11T, bushing
• Tension pulley: 11T, bushing
• Bracket bolt: steel
• Cable adjuster: composite
• Weight: 342 g
• Not compatible with the Shimano CUES drivetrain system