GT aggressor PRO 1x, dropper

Upgrades to my son's GT aggressor PRO. Bars, stem, brakes, dropper post and front part of drive train 1x upgrades. Crank set: CYSKY Bike Crank Arm Set Mountain Bike Crank Arm Set 170mm 104 BCD with Bottom Bracket Kit and Chainring Bolts for MTB BMX Road Bicyle, Compatible with Shimano, FSA, Gaint (Black) https://www.amazon.com/dp/B074W84397/... Chain ring: RaceFace 104mm Single Chain Ring, Blue, 30T 9/10/11 Speed https://www.amazon.com/dp/B00D3FG5GC/... Stem: FOMTOR 31.8 Stem 35 Degree 90mm... https://www.amazon.com/dp/B0789647LP?... Bar: Jessica Acekit Lightweight 31.8mm... https://www.amazon.com/dp/B075SC7DCY?... Pedals: Puroma Mountain Bike Pedal Nylon... https://www.amazon.com/dp/B07MQJ3C3R?... Dropper post: https://www.chainreactioncycles.com/m...