BSA has shown off a working concept in the form of the Thunderbolt adventure bike. Essentially a highly-evolved version of the Yezdi Adventure, it has some neat styling and some familiar underpinnings. . . [bsa thunderbolt, bsa bikes, bsa motorcycles, bsa india, eicma, india] @bsamotorcyclesofficial #bsa #thunderbolt #bsathunderbolt #eicma #fyp | Review Guruji