Quote:
Originally Posted by Chris is me
The solid bearing blocks inside the tube like that really shorten the distance between your two bearings, resulting in a less well supported shaft. I would consider a tensioner free belt drive (no bearing blocks) or some other kind of bearing block like the VersaBlock for adequate shaft support.
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The bearings are spaced plenty far apart. Most teams that run 2 piece blocks (like 254) are counter boring the bearings anyway, yielding the same bearing spacing (or only .125" more).
The rigidity and concentrically advantage over most 2 piece blocks (as most 2 piece blocks don't adequately align to each other) is nice as well.