There is a new geometry in the bike combined with the most up-to-date Shimano groupset designed for amateur racing in XC and MTB marathons. The Shimano Deore M 5120 is actually a 1x10 drive with a totally new rear derailleur system. Update March 2020: Undomestic has introduced that they're production https://encapsuladosvip.com/lever-4-0/