Shimano SIS RD-TY15 Rear Derailleur. 5/6/7 speed.

Front difference: 20 teeth or less.

Total capacity: 34 teeth or less.

Rear largest sprocket: 28 teeth.

Rear smallest sprocket: 14 teeth.

Has been taken off a 3x6 speed mountain bike. Is in full working condition. Slight cosmetic damage which does not affect usage. Condition is "Used".