213K views · 7.8K reactions | It’s the announcement that many of us have been waiting for ever since Shimano released their first electronic groupset in 2009 - yes, that’s right, Shimano 105 Di2 is finally here! The ‘groupset of the people’ has gone wireless, and 12-speed too! Si took an in-depth first look at the new groupset and explains how it weighs up against Dura-Ace and Ultegra. | Global Cycling Network | Facebook

16K views · 582 reactions | Now that Shimano has released a wireless Di2 version of their popular 105 groupset, we thought it would be interesting to take a deep dive into the differences between 105 R7100 Di2 and the latest edition of Shimano’s top-tier groupset, Dura-Ace R9200. There’s a video over on GCN which compares the two on the road, but this is GCN Tech, so let’s get into the nerdy details here… | GCN Tech | Facebook