Are cheap Amazon exercise bikes actually any good?

For light-to-moderate home use, the consensus is yes. High-trust testers at garagegymreviews.com and outdoorgearlab.com rate the YOSUDA and similar budget bikes well for value. The honest caveat from high-trust community sources is that low-cost pedals, crank arms and plastic parts can be weak points, and r/cycling cautions that Amazon-only brands can be hit-or-miss on durability.