Fitment: Hub SP153 - CR/CRF 02-23 (20mm Spindle)
SM Pro hub specific mount for use with Acerbis Disc Guards, meaning you can use Acerbis brake disc guards on something other than stock wheels. You will need to check the part number stamped on your hub (“SP” followed by three numbers - e.g. SP123) and order the corresponding bracket for these to work.