VINTAGE AMP RESEARCH FULL SUSPENSION MOUNTAIN BIKE FRAME SET 20.5" | eBay
Amp — Banshee Bikes
AMP Research | Vintage Mountain Bikes | The Classic and Antique Bicycle Exchange
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
Now THAT Was a Bike: 1993 AMP Research B2 - Pinkbike