The Campagnolo EKAR GT 13-Speed Rear Derailleur in black is a masterpiece of design. Drawing on over 90 years of Campagnolo's innovation, it's tailored for all - road and gravel enthusiasts. This derailleur offers rapid, precise, and reliable shifting, along with high chain security, lightness, durability, and strength. Its medium - length housing design fits different sprocket sizes in all EKAR GT cassette options. The parallelogram's 2D trajectory is made for the EKAR GT 1x system, enabling accurate mechanical movements for optimal use of the 13 sprockets. The body and cage combine carbon fiber - reinforced polyamide with anodized 7075 and 6082 alloys, achieving a perfect balance of strength, durability, and light weight. High - grade polymer pulley wheels ensure great performance and high chain retention on any terrain. The permanently engaged clutch enhances chain retention and reduces noise, and can be locked forward for easy wheel removal. Special surface - treated stainless steel bolts provide strength and long - term resilience in tough conditions. TECH SPECS: Largest Cog 48, Rear Der/Shifter Compatibility Campy EKAR, Rear Derailleur Mount Type 10x1 Standard, Drivetrain Speeds 13, Chain Wrap Capacity (teeth) 39, Cage Length Medium, Color Black, Weight 310.

Using the EKAR GT Rear Derailleur is straightforward. First, make sure it's properly installed on your bike according to the standard 10x1 mount type. When shifting gears, you'll notice the smooth and precise movement thanks to its special design. This derailleur is great for all - road and gravel riding, so feel free to take it on different terrains. For maintenance, keep it clean. Wipe it down after a ride, especially if you've been in muddy or dusty conditions. Check the stainless steel bolts regularly to make sure they're tight and in good condition. The clutch can be locked forward when you need to remove the wheel, but remember to unlock it before you start riding again. Also, if you notice any unusual noises or if the shifting isn't as smooth as before, it might be a good idea to have it checked by a professional bike mechanic.