Sunrace RD-MX60 Rear Derailleur 10/11/12 Speed Direct MountThe Sunrace RD-MX60 Rear Derailleur 10/11/12 Speed is a great replacement or upgrade from your previous Shimano 10/11 Speed or SRAM 12 Speed derailleur. The alloy cage with an adjustable chain stabilizer helps to prevent chain drops. The forged alloy links are built to last as you ride. The lower pully has 14t and the upper pully has 12t. The max rear sprocket that will work is 50t on a 1x system and 42 on a 2x system. This is the direct mount version.4710944262056
