Shimano 105 goes 11-speed for 2015

Extra sprocket added to Shimano's 105 line for 2015 to bring it up to 11-speed - Slicker shifts and more powerful brakes - Four-arm chainset design - Aero brakes included in 105 line-up

Shimano has released news of the latest update to its venerable 105 groupset for the 2015 model year. The new version – 5800 – becomes 11 speed, which is big news but far from the end of the story.

>>> Shimano 105 group set: full review 

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