The derailleur is a crucial component of electric bicycles that allows riders to change gears seamlessly. Microshift is a brand of derailleurs that features high-quality materials, precise manufacturing, and advanced technology. Hottech derailleur provides smooth and reliable gear shifts, allowing you to enjoy smooth and efficient cycling. It is available for different types of electic bikes, including electric folding bike, electric mountain bike, electric city bike and electric fat bikes. All inches can use it.