- Specialties TA chainrings compatible with 10/11x transmissions, the X110 exterior/interior can be mounted on Shimano road cranksets with 4-spoke 110mm spacing. Manufactured 100% CNC in 7075T6 aluminum alloy of aeronautical quality. The wide choice of teeth allows you to adapt your transmission to your performance. For ideal shifting quality, we strongly recommend pairing it with the inner X110, with a gap between 12 and 16 teeth. 100% Designed and Manufactured in France. Compatible with: * Dura Ace R9100 * Dura Ace 9000 * Ultegra R8000 * Ultegra 6800 * 105 R7000 * 105 5800 * Tiagra 4700
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