I did my own DIY Peloton hack, I researched and found the Sunny Health & Fitness exercise cycling bike with heavy 49 lb chrome fly wheel (belt drive) for under $400! Totally worth every penny. I also purchased a wide gel soft pad saddle cover for more comfort on the booty area, as well as a bike iPad/mobile device holder mount.

Everything was purchased on Amazon, details and description in the video and listed below.
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Sunny health & Fitness bike
https://amzn.to/3fGNMdZ

Bikeroo large bike seat cushion wide gel soft pad
https://amzn.to/39GWR2H

Bike tablet/iPad/smartphone holder
https://amzn.to/39DXutU

BalanceFrom GoFit High density treadmill exercise bike equipment mat
https://amzn.to/2ONGf23

Thanks for watching!