Rear derailleur SunRace RDR91, 9-speed, short cage

SunRace makes bicycle components for mountain (MTB), road, electric, city and children’s bicycles. Founded in Taiwan in 1972, the company offers shifters, derailleurs, cassettes, cranksets, chains and other components.

Technical specifications

• Cage length: short
• Compatible with SHIMANO/SRAM
• Suitable for 9-speed systems
• Maximum number of teeth on the largest sprocket: 28T
• Minimum number of teeth on the smallest sprocket: 11T
• Maximum tooth difference between the largest and middle sprockets: 16T
• Maximum capacity (largest front chainring – smallest front chainring) + (largest rear sprocket – smallest rear sprocket): 33T
• Outer link: aluminum
• Inner link: steel
• Mounting body: aluminum
• Plate body: composite
• Outer / inner cage section: steel
• Guide pulley: 11T
• Tension pulley: 11T
• Mounting bolt: steel
• Cable adjuster: composite
• Weight: 257 g
• Not compatible with the Shimano CUES drivetrain system