1, Rear derailleur: Rear derailleur (RD-U4000). 4, Full set(3PCS): Rear derailleur (RD-U4000) + Cassette (CS-LG300-9,11-41T) + Chain (CN-LG500,116L). Item: Rear derailleur. Level: Cues. 1x9-speed rear derailleur's smooth operation and dependability will help inspire riders to expand their trail-riding comfort zone.
The Shimano Cues 1Ã9 Speed Groupset RD-U4000 Rear Derailleur CS-LG300 Cassette Chain is ideal for providing smooth and efficient shifting for unicycles, cycles with a single chainring, or any other bicycles that require a simplified gear system.
