Shorter Tires Affect Your Speed!

I changed my tires and i lost top speed!
Modifications
Tires: Kenda Kraze 20x4
Locking Grips: https://amzn.to/3OErQBk (amazon)
Bar End Mirrors: https://amzn.to/43WSgmi (amazon)
Spoke Skins: https://amzn.to/47tyPor (amazon)
Pedals Black/Yellow: https://amzn.to/3qcq1SZ (amazon)
Carbon Fiber Wrap: https://amzn.to/45dDGIq (amazon)