LTWOO A7 1x10 speed MTB Mountain Bike Groupset Shifter + Rear Derailleurs + 36-50T Cassette + Chain Groupset Bicycle Parts US $311.00-$668.00
SHIMANO DEORE M6100 m6000 1x12 Bicycle Parts Groupset with Shifter Rear Chain CRANKSET Bracket Cassette Sprocket group set kits US $458.00-$485.00
Shimano Alivio Mountain MTB Bike Bicycle Rear Derailleur 9V RD-M3100/M5100/M6100 SGS RD 9 Speed RD M3100 Rear Derailleur Parts US $80.00-$110.00
SHIMANO 105 R7000 2x11 Speed Disc Brake Groupset For Road Bike Bicycle Kit Set With IIIPRO DISC Brake US $2.50-$3.90