I did it I bought my second unicycle! I want to try riding off road and was sold
on the Pashley, and then fate steped in, my order was declined because my check
hadn’t gotten to the bank yet and the Pashley put me over my limit.
I decided to think about it again and this time I decided on the Miyata 24". I
hadn’t even considered it before but I had heard so much about the seat. I knew
I’d never buy a seat with out the whole unicycle so I checked my local Bike shop
for knobby choices and decided to try out the 24" before I jump into an off-road
specific unicycle.
I can always buy another right??
This will give me time to weigh the importance of my having another unicycle
against my girls having a good education. I’m thinking that owning a few more
unicycles can’t hurt.
Miyatas come from the factory with Presta valve tubes. This is not a problem as
long as you have a presta pump or adapter. Most countries use presta valves for
bikes because they’re more reliable.
My Miyata came with a valve that was similar to a presta but not exactly the
same. At the bike shop they told me that it was a valve that was used only in
Japan and France. Rather than hassle with it I just let loose with the $3.00
and replaced the tube.
-----Original Message----- From: hartmame
[<a href="mailto:hartmame@uc.edu">mailto:hartmame@uc.edu</a>] Sent: Wednesday, April
28, 1999 3:21 AM To: unicycling@winternet.com
Subject: Re: My miyata
Why not put regular presta size valves or
are our presta size valves only standard in
the US. -Mary
Foss, JohnX <johnx.foss@intel.com> wrote in
article
<99BAA0EF4B10D211AC4000A0C95BF940017AFAC7@fmsmsx45.fm.intel.com>… > > what is a european style tube you
mentioned? > > Miyatas come from the factory with Presta
valve tubes. This is not a problem > as long as you have a presta pump or
adapter. Most countries use presta > valves for bikes because they’re more
reliable. > > Stay on top, > > John Foss, the Uni-Cyclone > http://www.unicycling.com
In a message dated 4/29/99 1:52:04 PM PST, hartmame@uc.edu writes:
<< Why not put regular presta size valves or are our presta size valves only
standard in the US. -Mary >>
Either Presta or Shrader valves will work fine. It’s only the Woods or Dunlop
valves that cause problems. My experience is that the Woods valves don’t hold
air very well. However, since they are the same diameter as a Shrader valve,
they are easy to replace.
Don’t replace Woods valves with a Presta valve unless you get an adaptor to deal
with the fact that Presta valve stems are quite a bit narrower diameter. If you
replace a wide diameter stem with a narrow diameter stem, you will often get
flats around the stem.
It is possible to use a washer with the proper size hole for the stem of the
valve under the shrader size hole, the outer circumfrence needs to be larger
than the shrader sized hole. The movement shouldn’t hurt the presta stem since
it isn’t rubber. -Mary
>Either Presta or Shrader valves will work fine. It’s only the Woods or Dunlop >valves that cause problems. My experience is that the Woods valves don’t hold >air very well. However, since they are the same diameter as a Shrader valve, >they are easy to replace. > >Don’t replace Woods valves with a Presta valve unless you get an adaptor to >deal with the fact that Presta valve stems are quite a bit narrower diameter. >If you replace a wide diameter stem with a narrow diameter stem, you will often >get flats around the stem. > >David Maxfield Bainbridge Island, WA >
I’d love to tell you all how it rides but I’ve only just now gotten it out of
the box! Besides its pouring down outside. I’ll try to give it a go tomorrow if
the rain lets up.
I have to replace the European style tube and attach the pedals and seat. It
comes with a little tool. Luckily I have some bike grease for the tube and pedal
threads. It also comes with Jack Halpburns book but its in Japanease. Its got
some good pictures though.
Why not put regular presta size valves or are our presta size valves only
standard in the US. -Mary
Foss, JohnX <johnx.foss@intel.com> wrote in article
<99BAA0EF4B10D211AC4000A0C95BF940017AFAC7@fmsmsx45.fm.intel.com>… > > what is a european style tube you mentioned? > > Miyatas come from the factory with Presta valve tubes. This is not a
problem > as long as you have a presta pump or adapter. Most countries use presta valves > for bikes because they’re more reliable. > > Stay on top, > > John Foss, the Uni-Cyclone http://www.unicycling.com
Is that the tire with the valve that, for lack of a more discriptive term, has
an “outey” valve rather than the common “inney” seen in N.A. joel
Foss, JohnX wrote:
> > what is a european style tube you mentioned? > > Miyatas come from the factory with Presta valve tubes. This is not a problem > as long as you have a presta pump or adapter. Most countries use presta valves > for bikes because they’re more reliable. > > Stay on top, > > John Foss, the Uni-Cyclone http://www.unicycling.com
> Is that the tire with the valve that, for lack of a more discriptive term, has > an “outey” valve rather than the common “inney” seen in N.A. joel
Thats a pretty good description of a presta valve. You have to unscrew that
part that sticks out in order to fill with air. But this does not look like a
normal presta valve. The rain has continued today so again I haven’t been able
to check this out.
> I’d love to tell you all how it rides but I’ve only just now gotten it out of > the box! Besides its pouring down outside. I’ll try to give it a go tomorrow > if the rain lets up. > > I have to replace the European style tube and attach the pedals and seat. It > comes with a little tool. Luckily I have some bike grease for the tube and > pedal threads. It also comes with Jack Halpburns book but its in Japanease. > Its got some good pictures though. > > Mary
I haven’t had a chance to look at it. It looks like a big presta valve. I
haven’t removed the valve cap. I was just following directions. I won’t remove
it if I don’t have to in order to pump it up.
-Mary
joel kam wrote:
> what is a european style tube you mentioned? joel
i’m assuming that he’s talking about the same type of valve that came on my
20" miyata:
instead of the schrader (don’t know how to spell it) valve it’s more like a
presta valves i’ve seen on the more expensive mountain bikes in a couple bike
shops, but it’s not exactly a presta either; it has a screw on cap looking
thing (it goes overtop of the actual hole that lets the air in, but the hole
that lets the air in still sticks up through it) that you can unscrew to
release air pressure.
well that’s actually a pretty bad description, but oh well
I’m thinking that owning a few more