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Shimano 105 groupset reviews

The new 105 5800 Groupset has gone 11 speed, and the drip down trickle of technology through Shimano’s tech... See full description.

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The new 105 5800 Groupset has gone 11 speed, and the drip down trickle of technology through Shimano’s technological developments means this group set now has slicker and smoother shifting thanks to it’s Sil-Tec polymer treatment as well as more powerful braking capabilities.