Amazon.com : JGbike Compatible 10 Speed MTB 4pc groupset for Shimano Deore M4100: Right Shift Lever SL-M4100-R,Long cage Rear Derailleur “RD-M4120-SGS“, Sunrace CSMX3 11-42T Black Cassette, KMC X10 Chain : Sports &
Amazon.com : Massi Compatible with Shimano Group XTR/SLX/Deore Directmount N-W Shimano 12 V Oval, Bicycle Chain, Black, 32 Teeth 12 Vel : Sports & Outdoors