The Honda Shadow Phantom might lure you in with its sleek blackout design and low-slung seat, but its underpowered 745cc V-twin engine leaves riders stranded in the slow lane, while a stiff suspension and lack of modern tech make every ride feel like a chore. The Harley-Davidson Nightster fares no better with its confused identity, plastic-like build, and skyrocketing price once you factor in basic upgrades—let’s watch the video to uncover why these bikes and five others are topping the regret list for 2025 buyers…