The vast majority of modern bikes, whether mountain bikes, road bikes or gravel bikes, come with derailleur gears. The rear derailleur moves your chain up or down a set of sprockets attached to your ...

Shimano is having a busy day. Alongside the just-announced launch of the new 12-speed mechanical 105 road groupset, the Japanese brand has also unveiled a spate of new gravel tech, including two new ...

Shimano’s new GRX RX820 adds a long-anticipated 12th cassette sprocket to the brand’s top-tier gravel groupset. GRX remains mechanical for now, but the 12th sprocket and extended gear range bring it ...

With 10-speed, 11-speed and Di2 options, here's everything you need to know about Shimano's gravel groupset range When you purchase through links on our site, we may earn an affiliate commission. Here ...