unlike the RD-M9120 derailleur which is best for a 2x setup

This naturally puts the rider into an elbows out position which maximises stability and control

you'll be able to maximise battery life and provide the perfect amount of light for the conditions

T10 / T25 Torx

Pros: Water resistant

AlpineStars Paragon Plus Knee Pads - M - Black PLP|Model Year unlike the RD-M9120 derailleur whichLightweight, durable, and flexible, the Paragon Plus will keep your knees safe from gravel rash and some bigger impacts without being bulky and uncomfortable. Who's it for? Anyone wanting to make sure they don't have to pick bits of gravel out of their knees. Protection style? Firm, yet flexible guard for great impact protection, but reasonably unrestricted movement. Materials? Elastic, mesh, and rip stop materials strategically placed to give