2, Front derailleur: Front derailleur (FD-U4000). 3, Rear derailleur: Rear derailleur (RD-U4020). 4, Full set(3PCS): Shifter (SL-U4000,2×9 Speed) + Front derailleur (FD-U4000) + Rear derailleur (RD-U4020).
29" DT Swiss E593, MTB / E-Bike Boost Front Wheel, Shimano Cues hub (15x110)
Shimano CUES FC-U4000 CUES Chainset For 9 /10/11-Speed 170MM 36/22T MTB Bike
SHIMANO CUES Shift LVR U4000 CUES RH Band-on 9s W/D
Shimano CUES FC-U4000 CUES chainset; for 9/10/11-speed; 175 mm; 40T
Shimano Cues U4000 MTB Bike 1×9 Speed Groupset FC-U6000 Crankset CN-LG500 Chain
