Amazon.com : Teyssor Mountain Bike 170mm Crankset 104 BCD 32T 34T 36T 38T Set Round Chainring with Bottom Bracket and Chainring Bolts Compatible with Shimano, FSA, Gaint : Sports & Outdoors
Amazon.com : microSHIFT | Advent X Rear Derailleur | 10-Speed | Medium Cage | Black | with Clutch : Sports & Outdoors
Amazon.com: Bnineteenteam 30 Speed Bike Groupset, 3x10 Speed Shifter and Rear Derailleur Shifter Lever Front and Rear Derailleur Set for MTB Bicycle and Spare Parts : Everything Else