A mullet drivetrain pairs drop-bar shifters with a wide-range mountain bike rear derailleur, usually set up 1x. Mullet drivetrains offer the range of a mountain bike groupset while providing drop-bar ...

When I first saw a bike shod with the original Shimano Dura-Ace Di2 in the flesh, I scoffed. I thought it was an answer searching for a problem and predicted in a few short years it would go the same ...