iSY N3.8 ZR with Bosch Smart System: Smooth, Powerful, and Ideal for All Terrains

The iSY N3.8 ZR is built for frequent riders and pleasure cyclists, featuring a Bosch Smart (BES3) System, a silent ENVIOLO N3.8 continuously variable internal gear hub, and a durable toothed belt drive. The Bosch Performance Line motor provides powerful support on flat or hilly terrain, perfect for city life or countryside adventures. Enjoy silent, smooth gear shifts—even under load—with the ENVIOLO hub. The intuitive Intuvia display helps you monitor gear ratios, making every ride effortless and enjoyable.