Shimano 105 FC-5703 74mm BCD 5 Arm Inner Chainring - Silver - 30T

This inner chainring can only be used with Shimano 105 FC-5703 10 speed triple chainsets with a 50-39-30T set up.

If the correct inner chainring is unavailable you can also use the chainring from the following chainset:

- Shimano 105 FC-5603

This is a "B" match which indicates that the parts are usable, but differ in materials, appearance, finish & size etc.

Genuine Shimano replacement part.