The sponsors aren't partners who are tuning up the bikes. It's companies who cut a cheque and expect logos everywhere. Individual riders/teams are motivated to

The sponsors aren't partners who are tuning up the bikes. It's companies who cut a cheque and expect logos everywhere. Individual riders/teams are motivated to win and get sponsor dollars, so may resort to cheating. They know they will lose sponsors forever and be banned if caught, so they try to hide it from sponsors and officials. Basically: the same disincentives exist today. They just need to catch folks. It's just doping v2.