• left hand thread M27 x 1.0
• M16 clamping spindle with sliding bar
• internal diameter 18 mm

suitable for e.g. the following bicycles:

• Aprilia Area, Gulliver, Scarabeo, Sonic, SR 50, etc.
• Benelli 491 50, K2 50, Naked 50, Pepe 50, etc.
• Beta Ark 50, Eikon 50, Quadra 50 , Tempo 50 etc.
• CPI Aragon 50, Crab 50, Formula 25, GTR 50, etc.
• Italjet Dragster 50KTM Ark 50, Kross 50MBK CS 50, CW 50, EW 50, YH 50, YN 100, etc.
• Yamaha CA 50, CS 50, CW 50, EW 50, YE 50, etc.