Shimano Tourney RD-TY21 7-speed SIS rear derailleur without hanger

Shimano Tourney RD-TY21 7-speed SIS rear derailleur without hanger

The Shimano TY21 rear derailleur is designed for basic mountain and trekking bike drivetrains. The version without a hanger is intended for frames with a classic replaceable derailleur hanger to which the derailleur mounts directly.

The simple construction ensures reliable shifting for recreational riding and everyday use.

Features and benefits:

• Rear derailleur for a multi-speed drivetrain

• Version without an integrated hanger

• For frames with a derailleur hanger

• Reliable operation for recreational riding

• Suitable for MTB and trekking bikes

• Simple and durable construction

Technical data:

• Model: TY21

• Type: rear derailleur

• Mounting: without hanger

• Intended use: basic multi-speed drivetrain

Use and recommendations:

Ideal as a replacement part for an older or basic bike with a compatible number of speeds. Before installing, we recommend checking compatibility with the number of cassette sprockets and the type of frame hanger.