Shimano Saint RD-M820-SS1 10-Speed Rear Derailleur (Short Cage) (Shadow Plus)

Shimano Saint RD-M820 Rear Derailleurs

Features:

• Shadow+ chain stabilizer provides a simple, lightweight chain control solution
• Mode Converter allows the derailleur to track different type of cogsets
• DH mode is a close ratio mode to track up to a 23T-28T low gear
• AM mode is optimized for a wider ratio cogset with a 32T – 34T low gear
• Saint-specific Shadow Plus design with integrated urethane bump stopper doubling-down on Shadow Plus functionality