Rim Sprocket w/ needle bearing used when .325" pitch chain is used.

Replaces:

• STIHL: 1123 007 1032, 1123 007 1027, 1123 007 1003, 1123-007-1003, 1123-007-1027, 1123-007-1032

Fits Models:
STIHL: 017, 018, 021, 023, 025, MS170, MS180, MS210, MS230, MS250, MS251