Shimano Saint RD-M820-SS1 Rear Derailleur - 10 Speed Short Cage Black Model=Deore XT BR-M8100 Series Disc Brake Calipers Recommended brake kit: Shimano M9120/M8120/M7120

Recommended brake kit: Shimano M9120/M8120/M7120

foam ring and 6 brass keyway pins

Designed for maximum ground clearance

Bolt Mount Diameter 6 Frame Mount Width 28

Comfort and Support

Shimano Saint RD-M820-SS1 Rear Derailleur - 10 Speed Short Cage Black Model=Deore XT BR-M8100 Series Disc Brake Calipers Recommended brake kit: Shimano M9120/M8120/M7120Shimano Saint RD M820 SS1 Rear Derailleur 10 Speed Short Cage Black. Shimano Saint RD M820 Rear DerailleursShadow+ 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 TECH SPECS Largest Cog 36 Color Black Rear Der Shifter