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860 GT Rear Hub > 750 GT?
Posted: Sun Nov 24, 2013 9:41 am
by geodoc
The brake drum on the 750 GT I'm restoring is deeply grooved, deep enough that it can't be machined flat. An 860 GT hub / drum came up on eBay with what appears to be a smooth drum surface.
Question is, is an 860 GT rear hub the same or interchangeable with a 750 GT hub?
Somebody know?
George
Vancouver BC
Re: 860 GT Rear Hub > 750 GT?
Posted: Wed Nov 27, 2013 10:19 am
by baddean
George,
Yes they are the same for the drum brake models.
750GT and 860GT part numbers are the same. (0795.80.453 bare hub with bearings)
Dean
Re: 860 GT Rear Hub > 750 GT?
Posted: Wed Nov 27, 2013 1:06 pm
by geodoc
Heh Dean,
Yeah, pondering whether to just skim the surface after lacing it up and maybe live with a few very shallow grooves. Being a rear brake, I'm too, too concerned. Trying to avoid "picking fly s**t out of the pepper" with things. It's easy to do. Still, good to know and thanks.
GD
baddean wrote:George,
Yes they are the same for the drum brake models.
750GT and 860GT part numbers are the same. (0795.80.453 bare hub with bearings)
Dean
Re: 860 GT Rear Hub > 750 GT?
Posted: Wed Nov 27, 2013 1:23 pm
by baddean
George,
If it were a front (drum) brake I might be more concerned about the grooves. Being a rear brake, at least in my case, it wouldn't get used as much as the front so I wouldn't be concerned about cleaning it up and using it.
Your call, but if the grooving is shallow the brake shoes will bed in either way once it's cleaned up.
Dean