• AL-KO part number: 582506
• Across the flange is 59mm
• Socket size 36mm
• Thread size 27mm dia
• Please note some of the older 1637 / 2051 hub nuts used a 36mm socket this has now been replaced with a 32mm.
  One shot means the nut is designed to grip the thread to stop it backing off and once it has been undone it will need to be replaced.

Each