The Shimano Tourney is universally proven for its super value for money with millions of bikes running them. The RD-TZ500 rear derailleur offers excellent durability and shifting for 6-Speed drivetrains for all kinds of entry-level recreational bikes.
 
RD-TZ500-GS / RD-TZ500-SS
SHIMANO TOURNEY TZ - Rear Derailleur - Medium Cage - 6-speed is available in two versions: Direct Mount or w/ Riveted Adapter(road).
Compatible with 6 and 7-speed SIS Index Shifting drivetrains, the SHIMANO TOURNEY TY500 derailleur is offered in a wide range of fitments and cage options.