This outer chainring can only be used with Shimano Sora FC-3503 9 speed triple chainsets with a 50-39-30T set up.
If the correct outer chainring is unavailable you can also use the chainring from the following chainsets:
Shimano Sora FC-3403
Shimano FC-R453
These are a “B” match which indicates that the parts are usable, but differ in materials, appearance, finish & size etc.
Genuine Shimano replacement part.
Specifications
B.C.D: 130mm
Crank Arms: 5
