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With options to suit a range of budgets, GRX mechanical offers dependable performance and useful compatibility with Shimano’s road drivetrains.
GRX isn’t exactly one single groupset in its own right, but rather it’s a range of components that sits alongside Shimano’s road groupsets. There aren’t GRX equivalents for every road component at every level, so GRX-equipped bikes will often mix different levels of components.
As a reminder, the GRX naming system works like this:
RX400 series: 10-speed Tiagra-equivalent
RX800 series: 11-speed Ultegra-equivalent with mechanical and Di2 variants
This review will focus on more-or-less the cheapest possible 2×11-speed mechanical setup with RX600 levers, but I’ll discuss the alternatives, and why you might consider going up or down the range.