Tour de France bikes: Stefan Kung’s BMC Timemachine Road 01 – Gallery 170mm stem for Swiss BMC Racing rider Share on Facebook Share on Twitter Share on Pinterest Share on Whatsapp Share on Reddit Email to a friend By Josh Evans Published: July 5, 2018 at 9:50 pm Stefan Kung’s BMC Timemachine Road 01 Josh Evans/Immediate Media Kung’s stem measured a massive 170mm (centre to centre) Josh Evans/Immediate Media