Cheap Chinese Groupset FAILURE, after just 4 weeks!!!

My Sensah Empire 2x11 groupset catastrophically failed after 800km/500 miles, but why? 11 speed groupsets are generally quite expensive. For example, at the time of filming, the full Shimano 105 R7000 groupset costs around £500 ($630), and a full Ultegra R8000 will set you back around £700 ($880). I’m all about trying to drop weight from my bike and most lightweight drivetrain upgrades, such as lightweight chains and cassettes, are only compatible with 11 speed setups. However, I wanted to try out some cheaper alternatives before resorting to 105, Ultegra, or Dura-Ace. The full Sensah Empire 11 speed groupset can currently be found for less than £200 on AliExpress, and the shifting functions in a very similar way to the SRAM double tap system. I was really excited to try it out, so a few weeks ago I took the plunge and got it installed on my carbon fiber road bike (the video for that install and initial test can be found here: ). Straight out of the box, I was actually pretty