Shimano SLX Dyna-sys Shadow RD-M663-SGS 10 speed MTB rear derailleur long cage

The Shimano RD-M663-SGS is Shimano SLX 10 speed compatible rear derailleur with a long cage.
It is to be mounted on MTB type, it is not compatible with Road 10 speed shifting system.
Long cage means it will work with 11 minimum rear small cog and 36teeths at largest rear cog.
Overall capacity is 43 teeths.

It will work with other Shimano 10 speed Dyna-Sys group and parts.

Weight is 275g

Compatible with: SL-M770-10R, SL-M660-10R, CS-M771-10, CS-HG81-10, CN-HG94, CN-HG74, works with all 9/10 hubs & wheels.