Shimano Nexus SG-8C31 Ring Gear Unit - Y37G98030

For use with Shimano Nexus SG-8C31 internal hub gears.

This Ring Gear Unit can also be used on the following internal hub gears:

- Shimano Nexus SG-C6060-8C
- Shimano Nexus SG-C6000-8C
- Shimano Nexus SG-C6000-8CD

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

If the correct Ring Gear Unit is unavailable you can also use the unit from the following internal hub gears:

- Shimano Nexus SG-8C22
- Shimano Nexus SG-8C20

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

Genuine Shimano replacement part.