Amazon.com : Shimano RDM310DL Altus GS 7/8-speed Rear Der Black,Long Cage : Rear Bike Derailleurs : Sports & Outdoors
Amazon.com : Shimano Tourney/TY FC-TY501 chainset 46/30, Double, 7/8-Speed, 175 mm, with chainguard, Black : Sports & Outdoors
Amazon.com: ZUKKA Bike Levers Shifter, ST-EF51-8R 8 Speed Right Brake & Shift Lever with Gear Indicator and V Brake Cable for Mountain Road Bicycle, MTB, BMX : Sports & Outdoors
Amazon.com : SHIMANO Deore RD-M592 Shadow Top Normal Rear Derailleur - Black, Large : Sports & Outdoors
Amazon.com: Shimano RD-M781 XT Rear 10 Speed Derailleur with Medium Cage, Silver : Sports & Outdoors