Raf van Hulle’s solar bike

Sun Trip 2013 champion Raf van Hulle, was celebrating his 43rd birthday yesterday with a test ride with his new solar panels on! He's planning a 1200-mile trip to the Swiss mountains next week. Will he be the fastest on #theSunTrip2018 ? pic.twitter.com/zXiLakiV0U

— The Sun Trip (@TheSunTrip) 16 mai 2018