What type of quality is a diamondback mountain bike? Is it an excellent or bad quality? - Quora
Refurbished: Diamondback Sorrento Mountain Bike
The evolution of mountain bike geometry. My first ever mountain bike and the 2nd ever mass produced mountain bike- 1984 Diamondback Accent, retail $650. VS my current trail bike, 2022 Polygon T7 : r/mountainbiking