but ben derico's been to meet the bikers who want to change that. g, a sport where riders hurl themselves off massive jumps, careen through narrow tree—lined trails, and fly downhill at eye—watering speeds. so, i started competing when i was like 12, 11 years old. i used to ride downhill. this is gustavo 0rtiz, a competitive mountain biker and the two—time national champion of his native chile. i was pan american champion, national champion multiple times, and ifinished 20th in a world cup. it was my best result. but, while training in 2017, he had a tragic accident. i crashed in whistler, and ifinished paralysed from my chest down. did you think you would be able to cycle again? no, it never came to my mind. h ea rt b eats un coeur. un etat d'esprit. although mountain biking will be an official sport at this year's olympic games, it's not yet been made an official sport in the paralympic games. that's partially because the bikes needed to race simply haven't existed. many traditional handcycles are built to be ridden on the road and feature wide whe