Freeway Trip

Originally Posted by RonB

I think all the geared hubs are the same except the Alpha has the helical cut gears to quiet them a bit.

That's what I thought as well. However, my tech manager at Lou Sobh in Atlanta (who's been working on quite a few of these trucks for quite a while) mentioned to me that the helical design actually came out earlier on some trucks (2004?). I'm not sure about that, but it's what he said...