Some readers will likely note Shimano already has clutch mountain bike derailleurs that can be paired with electronic shifting for 1x systems. With the new Ultegra RX derailleur, Shimano expands ...

The test bike was the Pro level, Ultegra-equipped model at 9.35kg. At the point of purchase, either online or in-store, there are a few choices to make regarding wheel, saddle and handlebar choice ...