Oh ... and Amontons published this in ... 1699.  Most of the folks I met while I was teaching Physics were pretty sure that friction depended on contact area.  So don't feel too bad if you are also a few hundred years out of date on this. 

dsm

SEAT is spoken for...

DRIVE SHAFT is spoken for...

The leaves only the elephant in the room...the TYRE and WHEEL combo is still available.

$140 shipped to you.  It is a bargain...and 100% ready to go onto your C10!



saxman