Designed and manufactured in France by Stronglight.Carefully crafted from the finest materials.The inner chainring STRONGLIGHT CT2 Shimano ULTEGRA 6800/Dura-Ace 9000 is a high-performance road chainring.Both robust and precise, made of high-precision machined 7075 T6 aluminum and CT² technology, consisting of a ceramic coating with a Teflon layer.The addition of ceramic allows a better hardness, increased longevity and anti-abrasion effect.The addition of Teflon reduces the friction of the chain, ensuring a reduction in noise, and friction, and optimizes the indexing between plates.Combining strength, lightness, precision, performance and comfort of use, this CT2 chainring is here intended for cranksets ULTEGRA 6800 / Dura-Ace 9100 with 110 mm center distance.Product name : ChainringAssociated product name: SprocketProduct use: DoubleType: 4-spokeProduct model: Ultegra 6800/dura-ace 9000Version : For shimano Color : BlackDiameter : 110 mmPosition : InsideMaterial : Alu 7075Various att....