CJ-8S40 Outer Casing Holder Unit

This is a top - notch Shimano CJ - 8S40 Outer Casing Holder Unit. It's one of the essential small parts for Shimano Internally Geared Hubs and Dynamos, ensuring smooth operation.

To use this Shimano CJ - 8S40 Outer Casing Holder Unit, first make sure your Internally Geared Hub or Dynamo is clean. Then carefully install the holder unit in the appropriate position. When using, avoid applying excessive force as it may damage the part. For maintenance, regularly check for any signs of wear and tear. If there's dirt, gently clean it with a soft cloth. Store it in a dry place when not in use to prevent rust.