Incorporates shift ramps and specially contoured tooth profiles. Improved chain control to provide a fast and precise shift. Plated sprockets for smooth performance and improved durability. Drilled out sprockets for weight savings over previous model.

• Shimano CN-HG53 9-speed Bicycle Chain
• B0006519ZE
• B001AYJF2E
• Shimano Sora 9-Speed RD-3500 Road Bicycle Rear Derailleur
• Park Tool Cassette/Rotor Lockring Removal Tool - FR-5/FR-5G