With Shimano 105 going 12-speed electronic in its latest ... If you're looking more for a gravel bike rather than a road bike, the carbon frame Terra C from Orro mixes a 105 Di2 50-34t chainset ...

Shimano has unveiled a new version of its mid-level 105 road groupset which features plenty ... This means that it lacks the titanium sprockets or carbon brake levers of its more expensive ...