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Can I swap freehub bodies?

Old 08-28-14, 09:51 AM
  #1  
I_like_cereal
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Can I swap freehub bodies?

I have a set of Rol Volant. Essentially a Kinlin rim with Sapium bladed spokes and Japanese EZO bearings.

I would like to swap the freehub out for a different, smoother running body.

Can I do this with any Shimano or DT hub?
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Old 08-28-14, 09:58 AM
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Whats a Rol Volant ?


Replace the whole hub (or just a new wheel) with a shimano one then, next time a shimano part is guaranteed to fit .

take it to any of the Hundreds of Bike shops in PDX & ask someone that can see it ..
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Old 08-28-14, 10:28 AM
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Originally Posted by I_like_cereal View Post
I have a set of Rol Volant. Essentially a Kinlin rim with Sapium bladed spokes and Japanese EZO bearings.

I would like to swap the freehub out for a different, smoother running body.

Can I do this with any Shimano or DT hub?
From their website, it looks like those wheels come with their proprietary hubs. Swapping the whole hub out may require new spokes as well -- have you contacted Vol to see if new bearings might help?
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Old 08-28-14, 10:40 AM
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Other than those hubs that use Shimano analog freehubs, there is just about no interchangeability. The hub/freehub interface is proprietary, and many, like Campagnolo, don't have modular freehubs. Instead the freehub body is separate from the hub and drives it through an overrunning clutch (aka, freewheel ratchet). Since half the clutch system is in the hub shell, and half in the "freehub" there's no opportunity to switch except to one sharing the identical system.
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Old 08-28-14, 03:34 PM
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Thanks. I figured it was proprietary. I will just swap out the bearings. Just feels like there is an anchor on the rear wheel. No matter what I do, it just feels like it is dragging.

Lubed and cleaned the chain, I have a brand new rear d, and the bottom bracket it as lubed as I can get it. Changing it to Chris King as soon as I can get the cash. With that injectable grease port it makes it easier to maintain.

Appreciate the time.

Cereal.
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Old 08-28-14, 04:06 PM
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Originally Posted by I_like_cereal View Post
Thanks. I figured it was proprietary. I will just swap out the bearings. Just feels like there is an anchor on the rear wheel. No matter what I do, it just feels like it is dragging.

Lubed and cleaned the chain, I have a brand new rear d, and the bottom bracket it as lubed as I can get it. Changing it to Chris King as soon as I can get the cash. With that injectable grease port it makes it easier to maintain.
I doubt that you could change out those freehubs, but from my experience the best way to find out for sure is to contact the hub manufacturer. In my case I was trying to replace a Shimano compatible freehub, on a hub built for Bontrager by DT Swiss, with a Campy compatible hub. I was able to find an e-mail address for DT and their rep asked me for the hub serial number. Ultimately the answer was no, but in some cases their freehubs can be replaced with the other type, and the serial number defines which hubs.

What type of tires do you have? Heavy puncture resistant tires are sluggish compared to light weight high performance road tires. Of course air pressure also plays a part in how fast a wheel will "spin up".
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Old 08-29-14, 09:43 PM
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Honestly, ... I had a full explanation typed up, ... but the site wouldn't let me post, so I'll be quick and brief now:

- proprietary hub / freehub (don't waste your time and dollars going here & there, ... etc.)
- cartridge bearings in each the hub and the freehub
- great wheels / lots of value
- contact Sean L. at ROL (he's the owner / operator, and he's great to deal with)
- I have SLR & SL wheels now (for over 3 yrs) no problems with either
- aluminum freehubs (if you have them) will wear by the individual cassette cogs digging in; ... but the bearings should be fine.

... again, contact Sean via the ROLWheels.com website and he'll problem solve with you.

IF you want to rebuild the wheels, ... that's another direction (but I'd certainly not recommend doing so; the issue is the smoothness of the cartridge bearings, not the wheel itself, from what I've read)

Have fun.
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Old 08-29-14, 10:33 PM
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All I can say is contact Rol they are a legit American company with actual service.
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