YAD Shimano Tourney 6/7 Speed FD-TY500 Front Derailleur + RD-TY500 Rear Derailleur Direct Mount RD-TY500 6/7 Speed Rear Derailleur SIS Index Shifting Direct Mount FD-TY500 6/7 Speed Front Derailleur Multi-Clamp Dual SIS TY model comes with resin bracket and plate body for reduced weight Standard paired of RD & FD, better compatibility for your cycling NOTE: This rear derailleur is Direct Mount, if your bike frame with hook, you can use it