Shimano Alivio FH-M4050 Freewheel Body Unit

This Complete Freehub Body can also be used on the following rear hubs:

Shimano Alivio FH-T4000

Shimano WH-MT500-CL-R-29

Shimano WH-MT500-CL-R-275

Shimano WH-MT15-A-R-29

Shimano WH-MT15-A-R-275