M mattr Old School Grand Master Nov 1, 2019 #11 Duxuk":4r32ybtw said: Do they allow Di2 in racing and if so why? Click to expand... Doesn't make you go faster. Fairings do.
Duxuk":4r32ybtw said: Do they allow Di2 in racing and if so why? Click to expand... Doesn't make you go faster. Fairings do.
