Ingrid RD1 Legalized (special Edition) rear derailleur for MTB/Gravel/Road Racing use compatible with many different single chainring drivetrains 11s or 12s both. Made of 7075T6 CNC aluminum and 3D printe PA12, fully regenerable thanks to the possibility of having every single spare part. Available with cage in two different lengths : short (for cassettes up to 46T) and long (for cassettes up to 52T). Only 270 grams weight. Classic mechanical operation with cable, very precise and rigid, it is also distinguished by the refined design that makes it a small masterpiece of industrial design. Iconic rasta anodized finishing! 100% designed and produced in Italy.