LTWOO A7 1x10 Speed Groupset Shift Lever Rear Derailleur X10 Chain 11-40/42/46/50T Flywheel 10V MTB Bike kit Set for DEORE M4100

LTWOO A7 1x10 Speed Groupset Shift Lever Rear Derailleur X10 Chain 11-40/42/46/50T Flywheel 10V MTB Bike kit Set for DEORE M4100

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