Introducing the 2023 BMC Fourstroke AMP LT – All the details about the new light eMTB and its TQ HPR 50 motor | E-MOUNTAINBIKE Magazine
VINTAGE AMP RESEARCH FULL SUSPENSION MOUNTAIN BIKE FRAME SET 20.5" | eBay
21-year old AMP Research/Mercedes-Benz B4 Full Suspension MTB. Been using it even more on road and trails during the pandemic. The only thing I had to replace are the tires. : r/BuyItForLife