absoluteBLACK Round Direct Mount 1x Chainrings for Cannondale allow for flawless drivetrain setup for 1×9, 1×10, 1×11, and 1×12-speeds. They are designed for Cannondale Hollowgram cranks and are particularly suited for F-Si frames. Direct mount chainrings provide significant weight savings over a standard spider and chainring combination. They are crafted from CNC machined 7075 aluminum and feature an anodized finish for exceptional durability.

– The unique, patent-pending narrow-wide tooth profile keeps the chain in place
– The specific offset helps to create a better chainline