The reason Dennis Quella no longer does the tapered roller bearing conversions is, it’s a lot of work for very little benefit. There’s really nothing wrong with the OEM ball bearings, as long as everything is done correctly; the critical elements being the axles and proper torque. If you feel you need more, do the (easy) double row inner bearing mod. If you want to make the assembly more serviceable, convert to two piece rear rotors mounted on the outside of the hub. This way, you can service the rear rotors by simply removing the calipers. The only caveat is, it pushes your rear wheels an extra 1/4” outboard.
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