Best Answer A quick Google search indicated that the Hercules company was bought out years ago by Raleigh Bicycles in the UK. There is a slim possibility that the folks at Raleigh could give you an educated guess or possibly even confirm the date of manufacture of your bike with the serial number. Try them at http classbfactrow btwofrHercules Cycling Club Hercules, CAWhats up HCC We are going to start the month of November with a nice climbing day with 3. See you guys then  Dont miss out When Sunday, November 0. Time Meet at 7 4. Vintage Hercules BicycleWhere Refugio Valley Park 1. Adobe Encore Wedding Menu Templates. Timeless Steel Ebook there. Refugio Valley Rd Hercules CARoll out at 8 0. Distance 3. 9. 4 Miles. Elevation 3. 08. FTRide Rating M B4. DYN3. 9. 4 Refer to HCC Ride Rating System. Notes Bring two water bottles and snacks.