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 have launched an upgraded Tiagra groupset, which is announced alongside a new gravel-specific groupset from the Japanese components giant. Shimano Tiagra is an entry-level groupset from the ...
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