You will find there's new geometry of the bike combined with the most recent Shimano groupset created for novice racing in XC and MTB marathons. The Shimano Deore M 5120 is usually a 1x10 push with a completely new rear derailleur mechanism. Update March 2020: Undomestic has introduced that they https://businessbookmark.com/story3875149/fascination-about-lever-4-0