The Shimano Dura-Ace groupset is well known for its precision engineering. This engineering extends into every part of the groupset, including the new 9000-series Chainring. The DA 9000 chainring is made from alloy that has been carbide-reinforced. Carbide is often used in drill tips for longevity and durability, and you'll find those same qualities extend to the chainring. Additionally, the teeth on the rings receive less wear, making for consistent, smooth shifting. But, as perfect as these chainrings are, they are only compatible with Shimano 11-Speed road drivetrains.
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Shimano Shimano Dura-Ace 9000 Chainring
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Rising above a scene rich with extraordinary wildlife, pristine lakes, and alpine terrain, the Teton Range stands monument to the people who fought to protect it. These are mountains of the imagination. Mountains that led to the creation of Grand Teton National Park where you can explore over two hundred miles of trails, float the Snake River or enjoy the serenity of this remarkable place.
The pika is a close relative of the rabbits and hares, with two upper incisors on each side of the jaw, one behind the other. Being rock-gray in color, pikas are seldom seen until their shrill, metallic call reveals their presence.