SHIMANO-grupo de 12 velocidades DEORE XT M8100, con cambio de marchas, desviador trasero, Piñón de Cassette 50T/52T, cadena de CN-M6100 Original - AliExpress
Shimano Deore M6100 12speed Groupset With Shifter Rear Chain Mt510 Crankset Bottom Bracket And 11-50t 52t Cassette Sprocket | Fruugo ES
Shimano Deore CS-M6100 12-Speed Micro-Spline Cassette / 10-51t – The Hub Cycle Centre