So, there has been a fair amount of chatter in the last year+ about the new electronic shifting gravel groupsets from China. LTWOO got to market first with the eGR and you can read my writeup of installing that here . But more recently Wheeltop came out with their equivalent GeX system ( Installation writeup here ). Initial pricing on both was almost too good to pass up as an experiment and I did so. Current pricing is still quite competitive vs even the lowest end electronic shifting from SRAM or Shimano but not the 'no brainer' it was at first. Highlights of these systems: Both 'groupsets' are really just 1x mini groups. They both include: Rear Derailleur Brifters Brake calipers Charge cable (use your own USB brick) For a full groupset, you will still need to provide: Crankset/chainrings (1x only with GeX and eGR. Both have road 2x options) Chain Cassette options: Wheeltop GeX 3-14 cogs, 10-52 teeth LTWOO eGR 10-12 cogs, 11-46 teeth officially. However, I've run ...