Lion

"Road bike racing rules in this action-packed adventure perfect for cycling fans, readers of the popular Five Ancestors series, and anyone who loves a fast-paced page-turner. Ryan Vanderhausen is psyched. After his mountain biking disaster, he discovers that his size and strength make him a natural for road bike racing. So he and his friends Phoenix, Jake, and Hu Die head to California to train with Ryan's cousin Peter. But right away, things get weird. Experienced cyclists are dropping dead, and someone from the kids' past pays them a very unwelcome visit. Then Peter is kidnapped in the middle of San Francisco's Chinatown. Can the kids save Peter, evade the bad guys, and still manage to compete in their biggest race yet? From the Hardcover edition."
"Betrayed by his uncle, Dr. V., Ryan must rely on his friends to help him recover and rebuild his life but Dr. V's confederates think the four friends still know too much and follow them to California to silence them."@en
"Betrayed by his uncle, Dr. V., Ryan must rely on his friends to help him recover and rebuild his life but Dr. V's confederates think the four friends still know too much and follow them to California to silence them."