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danb
hippy
Di2 works well and is easy to setup too. I've run batteries flat on Di2 (literally this morning, in fact) but just plug them into external battery or dynamo USB on the move and charge. How big is the SRAM charger? They reckon the deraillers get 1000k which means quite a bit more charging than my Di2 setup during ultras. CW said shifting was slow - did they fix this with a firmware update or something? Do they do TT shifters? How much did you pay for yours?