You will find there's new geometry with the bicycle together with the most recent Shimano groupset created for newbie racing in XC and MTB marathons. The Shimano Deore M 5120 is a 1x10 drive with a very new rear derailleur system. Update March 2020: Undomestic has declared that they are https://expressbookmark.com/story18456819/lever-4-0-an-overview