Chamelion
Likes Dirt
DEORE Rear Derailleur SHIMANO SHADOW RD+ 10-speed | SHIMANO BIKE-EU
bike.shimano.com
SHIMANO DEORE Rear Derailleur SHIMANO SHADOW RD+ 2/11, 1x10, 2x10-speed | SHIMANO BIKE-EU
Utilizing the SHIMANO SHADOW RD+ design, the SHIMANO DEORE M5120 rear derailleur delivers consistent MTB shifting performance over rough terrain. The low profile design avoids damage from rocks whiles SHIMANO's chain stabilizing technology reduces chain drop and makes for a quiet drivetrain in...
bike.shimano.com
The specs tell me the obvious stuff like the 5120 being 10 and 11 speed compatible whilst the 6000 is 10 only.
What has me confused is that the 6000 is about 50% more than the price of the 5120 and I can't work out why.