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Shifting

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Shimano's Dura-Ace Di2 electronic shifting to give road racers a time advantage

By Paul Best

01:18 April 8, 2009 PDT

Dura-Ace Di2 electronic shifting system

Japanese bike component manufacturer Shimano seems to have the pro-cycling world in a bit of a spin with its newly launched electronic Dura-Ace road racing components. It’s still early days but already the Dura-Ace Di2 – which stands for digital integrated intelligence – is receiving favorable reviews, with talk of significantly slicker, cleaner gear changes and one expert opinion describing the electronic component series as “revolutionary”. Read More

 
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