Why You Should Care About Surron Jackshaft Bearings

If you've started hearing a nasty grinding sound or feeling a weird vibration under your seat, it's likely your surron jackshaft bearings are waving a white flag. It happens to the best of us. These bikes are built to take a beating, but that middle section—the jackshaft—is a high-stress area that takes the brunt of all that instant electric torque. When those bearings start to go, they don't just make noise; they can actually sap your power and eventually lead to a much more expensive repair if the shaft itself gets scored. ...

February 8, 2026 · 6 min · Rylee Burns