Shimano Saint RD-M820-SS1 Rear Derailleur - 10 Speed Short Cage Black Model=Active Line Covers Light lever action is paired

Light lever action is paired with super positive indexing to make sure you never miss a shift

Compound Organic Heat Sink Yes Backing Plate Material Aluminum Pad Shape Number 62 Designed for ebike Yes

Tooled reach adjust

Designed for ebike Yes Bosch Generation Compatibility BDU2XX Bosch Drive Unit Compatibility Performance Line

you get a high-performance saddle thats designed to help you perform at your best

Shimano Saint RD-M820-SS1 Rear Derailleur - 10 Speed Short Cage Black Model=Active Line Covers Light lever action is pairedShimano 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