Shimano, however, has taken a different approach: while its 12-speed mechanical GRX groupset offers a 1x option, the electronic Di2 version remains staunchly 2x-only.

Shimano has officially unveiled electronic shifting for its 12-speed GRX groupset, seeing it draw level with SRAM and Campagnolo equivalents. Named RX825, the new electronic components work in ...

It includes a Shimano ... freewheel. Gear shifting is managed by L-TWOO A3 thumb shifters. The system also includes a triple chainring crankset and a high-precision DG51 chain.

cycle computers and electronic gear shifters. Of course, as soon as something becomes a defacto standard someone has to start coloring outside the lines. In this case, Shimano went off book with ...