Shimano 7 Speed Group Set Mountain Bike Shifter Lever ST-EF51 3x7Speed+Front Derailleur FD-TX50+Rear Derailleur RD-TY300 / ST-EF500 3x7Speed+FD-TY500+RD-TY300 (ST-EF500+FD-TY500+RD-TY300) Shimano Altus ST-EF500 3x7 Speed Shifter Brake Lever (Upgraded from ST-EF51) with Inner Cables Shimano Tourney FD-TY500 Front Derailleur 6/7 Speed (Upgraded from FD-TX50) Shimano Tourney RD-TY300 Direct Mount 6/7 Speed Rear Derailleur (Upgraded from FD-TX35) Package Includes Whole New ST-EF500 3x7 Speed Shifters + FD-TY500 Front Derailleur + RD-TY300 Rear Derailleur 100% new and high quality, no original package and fast shipping