Shimano's eagerly anticipated Dura-Ace R9200 upgrade delivered 12-speed, electronic-only shifting and a semi-wireless setup. After a nearly five-year wait, none of this was unexpected but, when it ...
Find out more about how we test. The previous iteration of Shimano GRX, the 11sp Di2 version, was my first foray into electronic gears. I ran it constantly on my long term gravel test bike ...