A New Shimano Sora RD-R3000 9-speed rear derailleur in black, from Shimano's entry-level road groupset. The Sora R3000 is a reliable and widely compatible road derailleur, popular on entry and mid-range road bikes and a common replacement or upgrade option. Specifications: Brand: Shimano Model: Sora RD-R3000 (GS medium cage) Speed: 9-speed Max sprocket: 34T Chain wrap capacity: 43T Mount: Bolt On Actuation: Shimano Road (STI compatible) Shifter compatibility: Shimano 9-speed STI levers Colour: Black Features: Aluminium bracket body, fluoric coated link bushings, stainless steel B-axle Compatible with the full Shimano Sora R3000 groupset and any Shimano 9-speed road STI system.
