Rear derailleur SunRace RDR81, 8-speed, short cage

SunRace makes bicycle parts for mountain (MTB), road, electric, city and children's bikes. Founded in Taiwan in 1972, the company offers shifters, derailleurs, cassettes, cranks, chains and other components. These parts are designed for smooth shifting and durability, and are compatible with major bicycle systems.

Technical specifications

• Cage length: short
• Mounting type: direct
• Suitable for 8-speed systems
• Compatible with SHIMANO/SRAM
• 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: aluminium
• Inner link: steel
• Bracket body: aluminium
• Plate body: composite
• Outer / inner cage section: steel
• Guide pulley: 11T
• Tension pulley: 11T
• Bracket bolt: steel
• Cable adjuster: composite
• Weight: 257 g