Shimano Dura-Ace FC-R9200 12-speed inner chainring in sleek black. Crafted from high-quality aluminum, it's compatible with FC-R9200 and FC-9200-P 2x 12-speed cranksets. With an asymmetric 110 BCD design, it pairs well with HG 12-speed chains. It has 40 teeth and a round shape, perfect for a smooth 12-speed drivetrain.

Using this Shimano Dura - Ace chainring is easy. First, make sure your bike has an FC - R9200 or FC - 9200 - P 2x 12 - speed crankset and an HG 12 - speed chain. Then, simply install the chainring onto the crankset according to the manufacturer's instructions. When riding, enjoy a smooth and efficient pedaling experience. For maintenance, regularly clean the chainring with a mild bike cleaner and a soft brush. Check for any signs of wear and tear, like chipped teeth. If you notice excessive wear, it's time to replace the chainring. Store the chainring in a dry place when not in use to prevent rusting.