This chain roller bobbin is a crucial part for your pitbike, dirtbike, or pocketbike, ensuring you...This chain roller bobbin is a crucial part for your pitbike, dirtbike, or pocketbike, ensuring your chain stays aligned and tight. It attaches to the swing arm and the chain runs over it for proper tensioning. Suitable for 49cc to 140cc engines.
Key Facts:
Minimoto plastic chain roller bobbin.
This part attaches to the swing arm; the chain then runs over it to keep it aligned and tight.
Suitable for 49cc, 110cc, 125cc, 140cc engines.
Overall Length: 23 mm / 0.91 inches
Greatest Outer Diameter (end sections): 25 mm / 0.98 inches
Outer Diameter of Central Section: 12.5 mm / 0.49 inches
This chain roller bobbin is a crucial part for your pitbike, dirtbike, or pocketbike, ensuring your chain stays aligned and tight. It attaches to the swing arm and the chain runs over it for proper tensioning. Suitable for 49cc to 140cc engines.
Key Facts:
Minimoto plastic chain roller bobbin.
This part attaches to the swing arm; the chain then runs over it to keep it aligned and tight.
Suitable for 49cc, 110cc, 125cc, 140cc engines.
Overall Length: 23 mm / 0.91 inches
Greatest Outer Diameter (end sections): 25 mm / 0.98 inches
Outer Diameter of Central Section: 12.5 mm / 0.49 inches