Sales Data from Online Marketplaces of Aftermarket Motorcycle Products and Accessories

I'm looking for a freelancer to conduct market research to determine the best selling aftermarket products in the motorcycle industry: specifically, my target segments are in the super sport, sport, sport touring and cruiser Japanese motorcycles (Honda, Suzuki, Yamaha and Kawasaki). I'm looking for at least information from 2 databases (examples would include Amazon and Ebay but open to other possibilities too). I wanted to limit the types of products to: (1) Brackets (2) Protective engine covers (3) Levers (brake, clutch, etc..) (4) Air intake components (air intake box or air inlet ductings). The project consists of 2 parts and thinking it would be in Excel format (but open to other formats too):