Shimano GRX Di2 gains parity with road groups The most obvious change to GRX Di2 that is it is now 12-speed. More important than an extra cog though, is that it brings with it a slightly wider ...

For mountain bikers, it's been a busy month in the electronic drivetrain world, with Shimano launching the long-awaited XTR Di2 and quickly trickling down the fully-wireless technology to XT and Deore ...

GRX represents three levels and four variants of drivetrains, some of which have both 1x and 2x options. GRX RX800 (Ultegra Level) The flagship GRX Di2 RX800 series features the RX815 (2x) and RX817 ...

Shimano’s Di2 traditionally runs everything off one battery, which is directly wired into all the components via a junction box. While the latest XT Di2 — which is only for e-MTBs — is still fully ...

My test bike is second from the top of the line SRAM Red AXS bike, instead with a Shimano GRX Di2 build on a 2x setup. I had plenty of climbing gears with the 11-34 cassette and 48/31 chainrings. I ...

We’ll get more detailed in the component breakdown section. The new Di2 GRX group is cross-compatible with other Shimano 12-speed components. Riders can tailor their gearing with the 48/31-tooth ...

Takeaway: Shimano’s refresh of the GRX Di2 electronic gravel groupset shifts well, stops great, and doesn’t weigh too much. And it is priced on par with its main rival, SRAM’s Force AXS.