Stronglight Dura Ace chainring

Top-quality road bike chainrings for Dura Ace FC 7950 cranksets: CNC-machined and Teflon-coated Stronglight chainrings made from 7075-T6 aluminium, affordable, durable and DI2-approved with excellent shifting performance.

5-arm compact, 110 mm bolt circle

Chainrings with a 110 mm bolt circle are compatible with Shimano cranksets up to 2009. You can easily determine the bolt circle by measuring the distance between two adjacent chainring bolts and multiplying this value by 1.7.

Herstellerinformation: Stronglight SA, 11 Rue de Méons, 42007 Saint-Étienne, France, https://stronglight.com/