Upgrade your bicycle's shifting performance with the Shimano Tourney TZ SIS Rear Derailleur, designed for smooth and reliable gear changes on 6-speed and 7-speed bicycles. Built with durable steel and high-strength composite materials, this rear derailleur features Shimano's SIS (Shimano Index System) technology for accurate and efficient shifting. It is ideal for mountain bikes, hybrid bikes, and everyday commuting bicycles.

Key Features:

• Compatible with 6-speed and 7-speed drivetrains
• Shimano SIS indexing for smooth, precise shifting
• Durable steel construction with reinforced body
• Long cage design for a wider gear range
• Easy cable adjustment with barrel adjuster
• Suitable for MTB, hybrid, and city bicycles
• Black finish with red jockey wheel for a sporty look