For use with Shimano Nexus SG-3C40 internal hub gears.

This Right Hand Dust Cap B can also be used on the following internal hub gears:

- Shimano Nexus SG-3C41-DX

- Shimano Nexus SG-3C41

- Shimano Nexus SG-3C40-NTW

- Shimano Nexus SG-3C40-DX

- Shimano SG-3C01

- Shimano Nexus SG-3D55

- Shimano Nexus SG-3R40-DX

- Shimano Nexus SG-3R40

These are an "A" match which indicates that the parts are the same in materials, appearance, finish & size etc.

Genuine Shimano replacement part.