Discover on this page our whole range of chain and transmission for your Moto UM Scrambler 125 4T (2017 to 2019). Find par example the pinion cover, the chain cover, the chain and the pinions, the crown, the complete chain kit, or the chain tensioner for the repair or maintenance of your bike. All the parts we offer are available, in stock and of high quality. Find adaptable or original parts. Many brands are available on our site (DID, Gencod, Fifty Moto Parts, Afam... etc).