SKPC
Cruisin' on my Bluebird
Learning much about Pierce/Emblem, Emblem/Pierce however you wish to say it. I have a late 20's/early 30's 28-er motobike I am trying to put back together. Below are the oversized-thread cones that Emblem used on their stiletto one-piece cranks. Not easy to find. If you have these cones, maybe set them aside as they are hard to come by. A bit larger diameter thread than std sized cone threads. The early ones (teens-20's) are flat tapered and then it seems in the late 20's/30's cones went to radius profiled for better rolling contact & less subject to wearing out. Emblem also came out with reversible cones(late20's -early 30's?) that you could flip them over when they wore out on one side and get twice the life out of them. Cranks and hardware back then seems to have been all over the place. No fun. Pics below to ID. Just for prosperity's sake.
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