Dura-Ace CS-9000 11-Speed 13t 2nd position Cassette Cog

The Shimano Dura - Ace CS - 9000 11 - Speed 13t second - position cassette cog offers a smooth and reliable cycling experience. Compatible with Shimano Dura - Ace CS - 9000 and Ultegra CS - 6800 11 - Speed cassettes, it has 13 teeth for efficient gear shifting. Ideal for serious cyclists seeking high - performance components.

Using this cassette cog is easy. Just install it in the second position of your Shimano 11 - speed cassette. Make sure to align it properly to ensure smooth gear changes. When riding, you'll notice a significant improvement in shifting performance. As for maintenance, regularly clean the cog with a mild bike cleaner and a soft brush to remove dirt and grime. Check for any signs of wear, like chipped teeth, and replace the cog if necessary. Also, keep it lubricated to reduce friction and extend its lifespan. Avoid using excessive force when shifting gears to prevent damage to the cog.