Rear Derailleur 21-Speed SIS

Description

A 21-speed SIS rear derailleur for bicycles.

Check it fits your tool or job before use, and wear safety glasses and gloves. Wear suitable safety glasses and gloves when working. Keep tools clean and dry after use so they last longer. Ask in store if you are unsure which size you need. Store it in a dry toolbox or drawer so it stays in good condition.

Used for:

• Bike repairs
• Replacing derailleurs
• Gearing

Sold each.

Additional information