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Good news - Tom Donohue has machined down a spare 7800 freehub to fit the old (and new) shaped splines - I have matched this with a sram PG 990 where the 6 main cogs are attached to an alloy carrier, this will stop the steel cogs from eating into the lower and softer aluminium splines. Testing and finishing the wheel build this weekend...
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the 7800 wheel set uses a hub designed for straight pull bladed spokes, not the standard 7800 hub, so I'd just be reusing the rim. I need the lathe/machine option.
The splines on a 7800 hub are higher than on most other DA's and the grooves on the cassettes are, accordingly, deeper - I need a machinist, I was hoping to find someone on here who's done something similar...
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2004 Dura-Ace (10-speed) 7800-series Freehubs were completely redesigned too. The Freehub body was attached to the axle, rather than to the shell, to save weight and to have the pawls act at a larger radius.
Also in an effort to save weight, the 2004 Dura-Ace Freehub body is aluminum.
So no, I don't think so
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I've bought a set of Dura ace wheels on ebay, bloody bargain.
What I didn't realise was that they are the 7800 series which only accept a specific 10 speed casette which is a complete PITA as I'm planning to use them on bikes with an 8 or 9 speed set up.
After doing some research I've discovered that they can be machined to accept the older style 7,8 and 9, as well as the newer 10 speed casette.
has anyone had experience of doing this before? does anyone know a good machinist in london (preferaby east) who would be up to the job?
it requires milling the freehub body splines down by .25 mm as well as milling the end of the body off by about 1mm
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I can read, I'm just wondering why? You could also put in shoulder pads as a 'unique signature', but do they serve any purpose? Would one put a map or route card on their chest? Usually when I'm riding I want as much ventilation as possible in that area, not an extra layer of fabric for a massive pocket which doesn't look practical or comfortable to use.
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Just a quick heads up for anyone searching this thread - the Roval Freehub does not fit the Dura ace 7800 hub - I found this out to my cost, after getting the part and machining it down to fit the standard shimano cassette splines - I should have tried to fit it first :-(