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PostPosted: Mon Nov 01, 2010 2:23 am 
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Joined: Tue May 27, 2008 8:59 pm
Posts: 196
Location: Boise, Idaho
just use mastik one with the tape.
I ran my griffo's at 20psi a few weekends ago (on accident) with no problems and I weigh 190lbs.


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PostPosted: Mon Nov 01, 2010 6:39 pm 
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Joined: Wed Aug 02, 2006 5:25 pm
Posts: 750
Location: Winterpeg
Used mastik one already. 3,5 tubes on rear wheel alone and probably working too quick because lots of glue got squeezed out after I mounted the tire. Also keeping the tape from moving is difficult when the glue is too wet.

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Posted: Mon Nov 01, 2010 6:39 pm 


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PostPosted: Mon Nov 01, 2010 7:31 pm 
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Joined: Tue May 27, 2008 8:59 pm
Posts: 196
Location: Boise, Idaho
I'm thinking you are using too much glue, off the top of my head I think I use about half that.

THIN/EVEN coats.. Use an acid brush or similar to spread it across the basetape.


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PostPosted: Mon Nov 01, 2010 9:29 pm 
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Joined: Sat Apr 16, 2005 6:08 pm
Posts: 2832
Location: Boulder, Colorado
3.5 tubes on one wheel is too much. it's not about sheer quantity, it's about technique - thin, even, consistent. As a general rule you get about 3 sets of wheels out of a can of Mastik One. Significantly more or less is not good.

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PostPosted: Wed Nov 03, 2010 3:37 am 
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Joined: Wed Aug 02, 2006 5:25 pm
Posts: 750
Location: Winterpeg
I actually slapped on 3+tape+1 coats on the rim and 3 coats on the tire. The mess was probably caused by not letting the glue cure enough before applying the tape. Maybe it wasn't quite 3.5 tubes, but I had to open the 4th tube. Front wheel has one less coat on the rim under the tape and I let it dry a bit longer so it went much smoother. The first coat on the rim seems to take tons of glue to cover the entire base tape.

I'll test the glue work on Saturday.

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PostPosted: Wed Dec 01, 2010 10:16 pm 
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Joined: Thu Nov 22, 2007 5:58 pm
Posts: 48
Location: London
A general question on glueing tubs: do people leave 24 hours between applying coats or do they apply one coat on top of another as per the Stuart Thorne method?

Thanks.


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PostPosted: Wed Dec 01, 2010 10:58 pm 
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Joined: Mon Jul 05, 2010 10:49 pm
Posts: 172
Everyones differant, there's no 'THIS IS HOW IT HAS TO BE DONE' kind of thing I don't think.

Allways I apply a layer of glue to the basetape of the tub and leave for 24hours.

If it is a new rim, I will apply a thin layer of glue, and leave it for 24hours.

After that, weather it is a new rim or not (so I miss step 1 out if it is not new) I put a layer on the rim, then straight away apply a strip of tub tape, get the tub tape to settle using the broom handle method and then take the plastic of the tape, Then I apply good layer of glue on the tape and almost straight away apply the tub, acting very fast as the glue and tape method makes the glue very sticky. I then use the broom handle method again, pump the tub up to around 60 and leave for a week (if I have this long to wait)

This is what works for me, but I am NOT saying this is the best way to do it...


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PostPosted: Thu Dec 02, 2010 10:09 am 
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Joined: Thu Nov 22, 2007 5:58 pm
Posts: 48
Location: London
Thanks. I'm not new to tubs, but am new to cyclocross tubs so any sane advice is welcomed.


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PostPosted: Tue Jun 07, 2011 1:48 pm 
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Joined: Sat Mar 19, 2011 10:50 pm
Posts: 636
I think tape is pretty important for Cross tires. When you're running 30psi the only thing holding that tire on is the glue and tape. On a road tire, I just use glue. road tires with high pressure aren't coming off too easily.


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PostPosted: Sat Jun 11, 2011 2:17 pm 
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Joined: Tue Jun 22, 2004 11:42 pm
Posts: 3914
Location: lat 38.9677 lon 77.3366
I've posted this before as my best "trick" for gluing cross tires. After gluing the tires to your preferred method clamp the tire with a band clamp. This is a cloth belt with a ratchet that you tighten around the circumference of the tire at half pressure. after you get the clamp on well pump up the tire to full pressure. This insures the best contact with the sides of the gluing bed were I often see poor adhesion. Leaving the clamp on overnight is best IMO. I have found this makes a better bond then tape, glue or tape and glue alone

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PostPosted: Wed Jun 15, 2011 12:35 pm 
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Joined: Thu Jan 11, 2007 3:48 pm
Posts: 262
Sounds like a great tip.
Thanks for sharing


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PostPosted: Mon Jun 20, 2011 1:28 pm 
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Joined: Fri May 04, 2007 5:27 pm
Posts: 595
rustychain wrote:
I've posted this before as my best "trick" for gluing cross tires. After gluing the tires to your preferred method clamp the tire with a band clamp. This is a cloth belt with a ratchet that you tighten around the circumference of the tire at half pressure. after you get the clamp on well pump up the tire to full pressure. This insures the best contact with the sides of the gluing bed were I often see poor adhesion. Leaving the clamp on overnight is best IMO. I have found this makes a better bond then tape, glue or tape and glue alone


It seems to me that a much easier way to achieve this would be to use a decent volume 29er tyre mounted over the top of the tyre (a clincher obviously), and then inflate the tyre. You'll bet the same effect and it'll likely be easier, and use something many will already have in the shed.

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PostPosted: Mon Jun 20, 2011 8:06 pm 
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Joined: Tue Jun 22, 2004 11:42 pm
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Location: lat 38.9677 lon 77.3366
Perhaps but you can purchase the band clamp for as little as $15 US at home improvement/ hardware stores and you have better control with adjusting the tension. Still whatever works. Let me know how the tire thing works.

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PostPosted: Wed Jun 22, 2011 1:34 am 
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Joined: Thu Jul 24, 2008 8:05 pm
Posts: 18
rustychain wrote:
A flexible cloth clamp that can go around the circumference of the tire. After gluing up in the normal way I put the clamp on the tire.
Where does one purchase a clamp like this?


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Posted: Wed Jun 22, 2011 1:34 am 


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PostPosted: Tue Sep 27, 2011 3:30 pm 
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Joined: Thu Apr 01, 2010 2:16 pm
Posts: 6
Location: Berlin, Germany
What kind of tape are talking about? It is obviously not the Tufo tape, is ist? Here in Germany some guys use jalousie or roller blind belt/tape as this is known as the Belgium method.


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