scmrak take a look at the Bryton 420, which iis $100. Bryton are a reliable, mainstream brand, and while the 420 is fully featured (e.g. with nav), it’s well priced.
I don’t know anything about it personally , nor can I comment on ease of setup, but have tripped across reviews suggesting it is a decent option.
https://us.eshop.brytonsport.com/col...s-rider420-buy