Chainring Bolts Incl. Nuts For Medium/large Chainring Shimano FC-M540

Chainring screws for fixing a middle or large chainring to your e-bike drive. With these original Shimano chainring screws you can fix the middle chainring with 32 to 38 teeth on the crank arm spider.

The 4 screws have the following dimensions: 8×8.5 mm

You will also find in our online store the chainring bolts without nuts. These are suitable for all Spider or chainrings with thread.