Designed from scratch to give you optimum performance, the best steering experience and maximum reliability for your gravel, all-road and endurance riding. The Ekar GT rear derailleur has been designed using unrivalled Campagnolo experience and inventiveness, developed and perfected in over 90 years of innovation. The dedicated 1x system and 13 speeds make it effective, the 9-tooth sprocket allows for the birth of a complete range of gear ratios with short evenly spaced shifts and well-maintained cadence levels. Technology, design and material have been chosen to satisfy the specific performance needs of all-road and gravel fans, the combination of rapid precise, reliable, shifting together with high chain security, lightness, durability and strength mean it truly deserves its place in the all-road arena. The design of the rear derailleur with medium-length housing is compatible with the different sizes of the sprockets on all four of the cassette combination options, from 9-36 to 10-48, perfect for any gravel needs. The parallelogram?s 2D trajectory is designed specifically for the Ekar GT 1x system so that shifting entails precise mechanical movements for best use of the 13 sprockets. Its larger pulley wheels guarantee optimum working and high chain retention for security and peace of mind, whatever terrain you tackle. The clutch, permanently engaged for enhanced chain retention reliability and minimal operational noise, can be locked forward for easy wheel removal. There are more than 70 individual carefully designed and engineered parts in the Ekar GT rear derailleur alone. Carbon fiber-reinforced polyamide and anodized 7075 and 6082 alloys are skillfully combined in the Ekar GT rear derailleur?s body and cage, for the best blend of strength, durability and light weight, ensuring long-term reliable working and to withstand the knocks, sand and dust of hardcore gravel riding, while stainless steel bolts WITH SPECIAL SURFACE TREATMENT are used for strength and long-term resilience in the toughest conditions.