Shimano Deore RD-M615 Shadow Plus SGS 10 Speed Rear Derailleur
The new Deore - "Rider Tuned" for every style of cycling.
The Deore is a group that consistently continues the "Rider Tuned" principle and is ideally suitable for various types of bikes and riding styles. Whether for cross country or trail, on hardtail, on 29er, 650B or on fullies: The Deore offers all options to meet every requirement.
The Shimano Deore RD-M615 rear derailleur is optimized for Shimano's "Dyna-Sys" technology. Thanks to the Shadow RD+ technology, it features a switch which enables heavier spring tension to reduce chain bounce.
Chain bouncing can often cause noise as the chain slaps the top and bottom of the chain stay, or even derail from the front chain ring in extreme circumstances. The switch when set to the ON-position dampens the cage and therefore a consequent chain movem