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12-15-2001, 08:30 PM
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#1
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Turbo Monkey
Join Date: Sep 2001
Location: Pasadena, CA
Posts: 1,067
Rep Power: 5
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advisable to drill out a presta to schraeder?
I've got a Rhynolite to XT disk wheelset. When I bought it it came with presta valve holes. But now that I'm getting more into DH, the tubes to fit larger tires are all schreader valve. Is it advisable to drill out the presta hole to enlarge it? What size drill bit should i use? how can I prep the area so that spurs won't tear the valve? Thanks.
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Homer.."There's the Right Way, the Wrong Way, and the Max Power Way."
Marge.."Well what's the Max Power Way?"
Homer.."Its the Wrong Way...just faster."
There's always 3 sides to a story...your side, their side, and the TRUTH.
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12-15-2001, 10:57 PM
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#2
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Turbo Monkey
Join Date: Sep 2001
Location: cambridge, ma
Posts: 180
Rep Power: 5
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drill away. use a bit that's close to the size of a schraeder valve  rattail files also work.
just clean it out when you're done.
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12-15-2001, 11:27 PM
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#3
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Monkey
Join Date: Nov 2001
Location: Way too close to the white trash promised land, Branson, MO.
Posts: 78
Rep Power: 4
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We use a tapered reamer at the bike shop. I've done road rims that way, so your Rhyno Lite will be fine. Go from the outside in (from the rimstrip in towards the hub)if you use one. A little fine sandpaper will do a good job on the edges.
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12-16-2001, 11:05 AM
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#4
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wheel man
Join Date: Oct 2001
Location: Dune
Posts: 392
Rep Power: 5
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I've always drilled my rims. I once got a flat in Hazard, KY while using presta valves. Ever try to buy a presta tube a Wal-Mart? You can't. Drilling is good but it takes time. You know find the bit, put it in, plug it up, clean it up, put it away.
With a tapered remer and a file you'll be done in like 2 minutes.
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12-18-2001, 07:40 AM
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#5
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Chimp
Join Date: Nov 2001
Location: Ft. Collins, CO
Posts: 5
Rep Power: 0
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If you go out to get a drill bit or reamer, be sure to pick up a deburring tool. They're pretty cheap and will easily remove all the burs left from the drilling. Otherwise you will have lots of fun with flats...but don't get spooked, it's an easy mod.
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12-18-2001, 10:50 PM
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#6
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Chimp
Join Date: Jul 2001
Location: Tijuana, Mexico and Mexifornia
Posts: 82
Rep Power: 5
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Reams an' deburrin' tools? Da next ting ya knows chu gots ta heat treat da dang ting! Juss drill it out an' knock off da burr. It ain't dat bigga deal.
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Chor Amigo;
HELLTACO
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12-23-2001, 02:25 PM
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#7
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Monkey
Join Date: Sep 2001
Location: Bellingham
Posts: 164
Rep Power: 5
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HELLTACO's got it! Just curious but did you buy the wheelset from Jenson? Because I got that same wheelset and I drilled mine out no problem, just be sure to use a couple bit sizes smaller than what you think the schraeder valve is. You can always make the hole bigger, but if you drill it to big to begin with it can be a problem.
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11-01-2009, 12:20 PM
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#8
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Grasshopper
Join Date: Nov 2009
Posts: 1
Rep Power: 0
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Drill out presta to schraeder
I just did it. A 5/16 bit works great.
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11-03-2009, 12:35 PM
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#9
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Chimp
Join Date: Jan 2004
Location: The SLC
Posts: 59
Rep Power: 3
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I like the 21/64 my self.
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11-03-2009, 12:37 PM
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#10
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free wieners
Join Date: Feb 2007
Location: Surrounded by Police in a hail of gunfire
Posts: 3,508
Rep Power: 3
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use a polishing cone on the top and bottom of the hole to get rid on any bad edges.
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11-03-2009, 02:20 PM
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#11
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Turbo Monkey
Join Date: Sep 2001
Location: Pasadena, CA
Posts: 1,067
Rep Power: 5
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Wow I'm still getting responses to a 8 year old thread...I sold those wheels off years ago!
__________________
Homer.."There's the Right Way, the Wrong Way, and the Max Power Way."
Marge.."Well what's the Max Power Way?"
Homer.."Its the Wrong Way...just faster."
There's always 3 sides to a story...your side, their side, and the TRUTH.
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11-03-2009, 02:42 PM
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#12
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PM me to schedule a fluffing appt.
Join Date: Jun 2002
Location: NC
Posts: 17,728
Rep Power: 9
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Holy crap... this thread was created before I even joined 
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11-12-2009, 01:52 PM
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#13
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Yoshinoya Destroyer
Join Date: Jan 2007
Location: Hills of Paradise
Posts: 3,274
Rep Power: 3
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Quote:
Originally Posted by Dog Welder
Wow I'm still getting responses to a 8 year old thread...I sold those wheels off years ago!
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at least you know someone likes to recycle and knows how to use the search function
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Apathy is the greatest threat to our freedom.
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