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goopy SunTour Superbe Pro 8 speed freehub body.

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goopy SunTour Superbe Pro 8 speed freehub body.

Old 08-08-15, 04:14 PM
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masi61
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goopy SunTour Superbe Pro 8 speed freehub body.

I built up this awesome wheelset using the obsolete Suntour Superbe Pro Accushift 8 speed cassette. The freebody is similar to a uniglide in that the smallest cog acts as the lock ring. I know about how to service a Shimano freehub but am uncertain about this SunTour. It is so tight right now, that when coasting the cranks want to continue spinning and if you stop then from spinning the chain goes slack. Clearly there is some sticky grease in there impeding the freewheeling action.

Does anyone have a schematic diagram of this part or service instructions. I love this wheel, and the whole concept of this retro indexed 8 speed drivetrain and hope to get it optimized to back on the road with it soon.

Thanks for any help.
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Old 08-14-15, 01:32 PM
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Update and good news. It turned out to be unnecessary to tear apart the hub, I was able to work things loose by working thick oil (Pedro's Syn Lube) down into the freehub body. The grease must have really dried hard because it took like 3 treatments until the thing started to loosen up. Now I'm stoked to get out and ride my SunTour drivetrain Cannondale R1000. Yes!
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Old 08-14-15, 02:39 PM
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Taking apart a free hub is pretty simple. At least the last time I did it with a Hope tandem hub. I've never had a Superbe Pro hub, as I use Phil Wood touring hubs on my Superbe Pro ST800, but I'd still break that down and clean everything and regrease it if I were you.
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Old 08-14-15, 03:17 PM
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I will maybe this winter. It is not obvious how this thing comes apart. For now, I was relieved that by simply oiling it, I appear to be good to go.
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