Antony Johnston 
Fuse Vol. 2: Gridlock [EPUB ebook] 

22, 000 MILES UP, THERE IS (STILL) NO BACKUP. They call it "Gridlocking " maglev-bike races across the Fuse ’s vast solar arrays. Fast, dangerous, and very illegal. So when the #1 gridlock racer turns up dead, Klem and Ralph begin their own race to catch a killer…in a case that will force them into the dark underbellies of drug smuggling and terrorism in zero-g! "Comic of the year… Deserves to be on the Hugo ballot. " The Angriest Collects THE FUSE #7-12.