I picked up a set of Miche Primato track hubs. Now that I have backed off the adjustment a tad, they feel fabulously smooth. One irritating thing -- they have tracknuts with fixed "washers", rather than floating washers as on Campy etc.
I spun the nuts off a Campy track hub, and tried them on the Miche -- no joy. Slightly different.
Does anyone know what the threading is on the Miche hubs, so I can check to see if floating washer nuts are available? M10 x 1 rear, M9x1 front, I suppose?
On Tue, 3 Nov 2009 23:50:28 -0800 (PST), pb in sdca
<pbridge...@aol.com> wrote: >I picked up a set of Miche Primato track hubs. Now that I have backed >off the adjustment a tad, they feel fabulously smooth. One irritating >thing -- they have tracknuts with fixed "washers", rather than >floating washers as on Campy etc.
Actually, they are a two-piece construction, designed to have the washer spin independently of the nut. Unfortunately, artless fabrication often presses the two pieces together so forcefully that the parts are effectively fused.
>I spun the nuts off a Campy track hub, and tried them on the Miche -- >no joy. Slightly different.
>Does anyone know what the threading is on the Miche hubs, so I can >check to see if floating washer nuts are available? M10 x 1 rear, >M9x1 front, I suppose?
Yes, that's correct. ------------------------------- John Dacey Business Cycles, Miami, Florida Since 1983 Our catalog of track equipment: online since 1996 http://businesscycles.com -------------------------------
On 4 Nov, 13:07, John Dacey <jda...@businesscycles.com> wrote:
> "Rem acu tetagisti" - Jeeves (after Plautus)
> On Tue, 3 Nov 2009 23:50:28 -0800 (PST), pb in sdca
> <pbridge...@aol.com> wrote: > >I picked up a set of Miche Primato track hubs. Now that I have backed > >off the adjustment a tad, they feel fabulously smooth. One irritating > >thing -- they have tracknuts with fixed "washers", rather than > >floating washers as on Campy etc.
> Actually, they are a two-piece construction, designed to have the > washer spin independently of the nut. Unfortunately, artless > fabrication often presses the two pieces together so forcefully that > the parts are effectively fused.
<thirty-...@live.co.uk> wrote: >On 4 Nov, 13:07, John Dacey <jda...@businesscycles.com> wrote: >> "Rem acu tetigisti" - Jeeves (after Plautus)
>> On Tue, 3 Nov 2009 23:50:28 -0800 (PST), pb in sdca
>> <pbridge...@aol.com> wrote: >> >I picked up a set of Miche Primato track hubs. Now that I have backed >> >off the adjustment a tad, they feel fabulously smooth. One irritating >> >thing -- they have tracknuts with fixed "washers", rather than >> >floating washers as on Campy etc.
>> Actually, they are a two-piece construction, designed to have the >> washer spin independently of the nut. Unfortunately, artless >> fabrication often presses the two pieces together so forcefully that >> the parts are effectively fused.
>Sounds like a job for a club hammer.
There's little in life so satisfying as taking out a hammer in front of a customer whose bike wants fixing, but in this instance a razor (Occam's type) is the better tool: simply tightening the fasteners a few times will often free the washer from its stuck position and allow it to spin independent of the nut.
Keep the hammer for special occasions.
------------------------------- John Dacey Business Cycles, Miami, Florida Since 1983 Comprehensive catalogue of track equipment: online since 1996 http://businesscycles.com -------------------------------
On 4 Nov, 15:01, John Dacey <jda...@businesscycles.com> wrote:
> There's little in life so satisfying as taking out a hammer in front > of a customer whose bike wants fixing, but in this instance a razor > (Occam's type) is the better tool: simply tightening the fasteners a > few times will often free the washer from its stuck position and allow > it to spin independent of the nut.
> Keep the hammer for special occasions.
That's all very well, but axle nuts will chew frame ends. If the operation is done on the bike, flaking paint at the very least is likely. Using a tubular spanner over the nut, which is still on the axle but released from contact with the frame, simply hit the other end of the tube spanner with a club hammer.
> I picked up a set of Miche Primato track hubs. Now that I have backed > off the adjustment a tad, they feel fabulously smooth. One irritating > thing -- they have tracknuts with fixed "washers", rather than > floating washers as on Campy etc.
> I spun the nuts off a Campy track hub, and tried them on the Miche -- > no joy. Slightly different.
Campagnolo is famous for its tendency to combine a metric diameter with an inch thread pitch. It would be excusable for a shade-tree engineer making the best of available equipment, but it borders on callous indifference when it comes from a noteworthy manufacturer.
In the case of your dumb Record track hubs, the thread is probably 10mm X 26tpi rear, 9mm X 26tpi front. That's why you'll pay about as much for Campy replacement nuts as you would for some decent non-Campy replacement hubs.
> Does anyone know what the threading is on the Miche hubs, so I can > check to see if floating washer nuts are available? M10 x 1 rear, > M9x1 front, I suppose?
That's the most typical threading for track hubs these days.
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