Shimano Sora RD-R3000-GS 9-Speed Rear Derailleur for Road Bikes Black

Shimano

Pulley Cage / Mounting Type: GS / Direct Mount

Rear Speed ​​Compatibility / Chain Compatibility / Total Capacity: 9-speed / HG-X / 41T (Double: 39T)

Compatible Top Gear (Minimum / Maximum): 11/12T

Compatible Low Gear (Minimum / Maximum): 25/32T (Double: 28/34T)