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@JS-187
DI2 shifting is super crisp and precise but there is still a fair weight penalty on that system compared to their cable setup. I guess it depends if you think the lag in shift from cables is holding you back? With me its just my legs!
The new red will likely be lighter than DA and record and still be pro level shifting. My guess is its only a matter of time before the UCI's 6.8 limit is revised as its original mandate of preserving safety is slightly obsolete as the tech has developed to make even large framed builds sail under safely. Groupset weight at the moment is less critical so folk don't mind the extra servo weight, but it could all change...