Best Affordable Mullet Drivetrain! Advent X Review

"Mullet" drivetrains are a bit of a niche product but are starting to gain momentum. Unfortunately, there are few affordable options out there - until now. In this video exclusive, I review the new Microshift Advent X dropbar drivetrain. Wide range, low budget and no hacks necessary this drivetrain promises to be the best affordable mullet system on the market.