Jackshaft Kit / Shifter Kit Install On 29er Mountain Bike

This was my very first time installing a jackshaft kit on a 29-inch mountain bike—and it was a blast! In this video, I walk through the full install process, from unboxing the kit to getting it mounted and ready to ride.

Whether you’re looking to add more gearing options, improve chain alignment, or just learn how a jackshaft setup works, this video covers the basics step-by-step. Perfect for DIY bike builders, e-bike enthusiasts, or anyone curious about custom drivetrain projects.

In This Video You’ll See:

How the jackshaft kit mounts to a 29er mountain bike

Tips for chain tension and alignment

The challenges (and laughs) of a first-time install

How it rides after the install

Gear Used:
29er mountain bike frame, jackshaft kit, basic hand tools

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