Mountain bike groupsets: everything you need to know - BikeRadar
Shimano FCT8000C866C DEORE XT FC-T8000 48-36-26T 3x10S Crankset Black 175 mm F/S 4524667693727 | eBay
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