Japanese parts manufacturer Shimano has released two new drive units for electric bicycles in the form of the EP5 and EP5100. The brand says the new drive units represent “an important step in a new era of e-bikes, allowing riders to explore further, connect more deeply and experience the natural joy of cycling.” The new … Read more
Editor’s note: The original version of this article suggested that the patent in question was for a six-piston brake caliper. We misinterpreted Figure 3 as an exploded diagram of one side of a double-sided caliper. The patent actually describes a single-sided caliper containing three pistons, with only one brake pad pushed into the moving rotor. … Read more
Shimano has expanded its range of gravel components with the launch of GRX RX825 12-speed Di2. With Shimano’s Dura-Ace, Ultegra and 105 road groupset firmly in the 12-speed Di2 realm, the Japanese giant’s gravel-specific GRX line found itself at a crossroads after launching the mechanical GRX RX820 12-speed group last August. as the electronic GRX … Read more
Shimano GRX is now a well-established part of the gravel scene, and while last year saw the launch of a wired 12-speed GRX, we are now seeing the launch of a 12-speed Di2 version. The main changes, in addition to the addition of an extra cog, are a revised hood design to better suit flared … Read more