Shimano Tourney TY21 6/7sp Rear Derailleur

The Shimano Tourney RD-TY21 rear derailleur is compatible with the 6-speed SIS Index transmissions. It will give you smooth shifting and effectively replace your old derailleur.

Features
Product : Rear Derailleur
Discipline: City Touring/Comfort
Max. teeth of the small sprocket: 11 teeth
Total Capacity: 34 teeth
Compatible cassette: 6/7 Speed
Minimum teeth of the large sprocket: 28 teeth
Compatible chain: 6-speed
Cage: Long
Mounting: Direct Mount