My first ride impression of Shimano's second-tier electronic Di2 groupset launched last year but taken a while to arrive on actual bikes. Is it as good as Dura-Ace and does it still offer the performance and value we've come to expect of this groupset?

Dura-Ace Di2 review    • Shimano 12-speed Dura-Ace Di2 R9200 -...  
Colnago C68 First Ride    • My New Colnago C68 Dream Bike!  

Supported by Saddleback
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