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freehub conv: campy 8spd spacing on campy 10spd freehub?
 

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walter
Joined: 11 Jan 2004
Posts: 752

11/21/05 9:33 AM

freehub conv: campy 8spd spacing on campy 10spd freehub?

does such a conversion exist?

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Mark McM
Joined: 22 Jun 2004
Posts: 384
Location: Boston, MA

11/21/05 11:27 AM

Campy 8spd on 9/10spd freehub


quote:
does such a conversion exist?


Easy.

Firstly, there's no such thing as a 10spd-only freehub - 9spd and 10spd freehubs are identical.

If you don't yet have the cassette, just buy a 9spd cassette with all loose sprocket (no rivetted sprocket carriers, e.g. Veloce or Mirage), remove the largest sprocket, replace the amber 9spd spacers with black 8spd spacers, install as normal, and ride.

If you've already got an 8spd cassette, there's an easier, although occasionally more problematic solution - just install the cassette as is on the 9/10spd freehub. 8spd cassettes actually fit just fine on 9/10spd freehub. The potential issue is that 9/10spd freehub bodies are made from aluminum (softer than steel) and the spline/freehub interface with 8spd cassettes is smaller (the spline teeth are shorter), which means that there is a greater chance of sprocket spline teeth notching the freehub body. The heavier the rider and the larger the sprocket the greater the tendency to notch, but I'm 160 lb. and us a 26 tooth large sprocket and have not had any meaningful notching on the 8spd cassettes I've used on 9/10spd freehubs.

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walter
Joined: 11 Jan 2004
Posts: 752

11/21/05 4:55 PM

sweet! thx, mark. nt

nt

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Steve Cruickshank
Joined: 11 Jan 2004
Posts: 100
Location: Medfield, MA

11/21/05 7:17 PM

Notched freehub bodies

As another data point to Mark, I'm 185-200 (depending on the season) and have notched the Al freehub body when using even the 9speed loose cassettes. It was noticeable, but not unrideable.

I've never tried the 8 speed cassette on 9spd freehub trick, so I have no info there.

I don't know if they still make the carrier style 9spd cassettes, so I may have to take my chances on the next set.

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