Thread:

• FG2,6/0,45 mm (2)
• M3/0,5 mm (1)

G - dimple diameter:

• 7 mm (1)
• 7,5 mm (4)
• 8 mm (1)

Manufacturers:

• SAPIM (4)
• SM (28)
• Velogross (1)
• WWS (10)