Nitpick: shaving 250 grams off your bike weight _can_ get you banned from the Tour de France.
UCI regulations state a minimum weight for a bicycle of 6.8 kilos (https://en.wikipedia.org/wiki/Racing_bicycle#UCI_rules)
UCI regulations state a minimum weight for a bicycle of 6.8 kilos (https://en.wikipedia.org/wiki/Racing_bicycle#UCI_rules)
Fortunately, I don't race in UCI events, haha.
My understanding was that the rule is around safety - i.e. they didn't want people pushing the limits at the risk of failure. There's calls for it to be scrapped, now that we know more about the limits of carbon fibre.