SHIMANO RD-M820 Saint Shadow Plus 10 Speed Rear Derailleur
- Shadow Plus technology keeps the low profile shape reducing chainstay and other contact, and adds a chain tensioning device reducing noise and dropped chains.
- Compatible with Dyna-Sys 10 speed Shimano products.
- B-Bracket features rubber bumper to reduce noise on the trail.
- Mode converter allows the use of MTB or road cassettes giving you a max sprocket of 36T.