Launched in March 2026, Shimano Tiagra R4000 offers an appealing alternative to the brand's 105 R7100 mechanical groupset, with the company's latest-generation features and a more affordable price.
Shimano has announced the launch of a new Tiagra groupset after stating in 2023 that the all-encompassing CUES family would replace all Shimano groups up to and including Tiagra. The new group of ...
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