Wheel Circumference Question EZ-1 SC

"RJake1" <[email hidden]> skrev i en meddelelse
"]news:[email hidden]...

Quoted message said:

I just bought an EZ-1SC and am setting up a computer on it. It asked for a wheel circumference in
mm. I don't have anything to measure mm. I believe the front wheel is 16". Can anyone tell me what
that is in mm?? Thanks.

Just measure it in your local units and stuff the result in here: onlineconversion.comonlineconversion.comOpen ↗
and convert to milimeters.

M.

"Mikael Seierup" skrev

Quoted message said:

Just measure it in your local units and stuff the result in here: onlineconversion.comonlineconversion.comOpen ↗
and convert to milimeters.

However dont just stick 16 inches in it. Thats the rim circumference AFAIK and the wheel
circumference will depend on the tire you got on. Make a rollout measurement. Preferably with
correct pressure in tires and you on the bike.

Mikael

Mikael Seierup said:

Make a rollout measurement. Preferably with correct pressure in tires and you on the bike.

This is definitely the best way to do it.

I'm not putting a computer on mine for now. I don't think I could handle seeing how slow I am! :-)

Dave Clary/Corpus Christi, Tx EZ-1SC Pilot (Texas P-38 Squadron Retired) Home:
home.stx.rr.comdclaryOpen ↗ Never Forget: politicsandprotest.orgpoliticsandprotest.orgOpen ↗

You must do a roll out measurement of the circumference because it will vary with tire size. Then
multiply your inches by 25.4. That will give you mm. Times 2.54 would give you cm. Good luck.

No one ever said there would be math involved 🙂 If a recumbent leaves Cleveland headed west at 18
mph..........

Mikael Seierup said:

"Mikael Seierup" skrev

Quoted message said:

Just measure it in your local units and stuff the result in here:
onlineconversion.comonlineconversion.comOpen ↗ and convert to milimeters.

However dont just stick 16 inches in it. Thats the rim circumference AFAIK and the wheel
circumference will depend on the tire you got on.....

The rim bead seat diameter is 305-mm which is very close to 12 inches. With a 37-305 Primo Comet
tire inflated to about 6.2 bar (90 psi) on an Alesa rim, the rolling diameter is about 378 mm
(14.9 inches).

Tom Sherman - Quad Cities USA (Illinois side)

"Dave Clary" skrev

Quoted message said:

I'm not putting a computer on mine for now. I don't think I could handle seeing how slow I am! :-)

The harness I bought to replace the defective harness for my Cateye Astrale was no good either.
Speedsensor was on the fritz. Didn't want to mess with it all again so it just shows cadence now.
I'm actually quite happy with just that.

Speed is something like 12, 15, 16, 19, 22, 24, 28, 33, 36 mph at 100 rpm for the nine gears with me
using the 53 tooth front. So I usually got an idea about how fast I'm going at any given time.
Distance would be nice so maybe I'll splurge for a new new harness at some point but theres no rush.

Mikael

I use the Vetta V100 wireless with cadence and have had no problems. No wires to hassle. Had to
connect a couple zip ties toghether to hold the cadence sensor on the over size tubeo on my Canto. I
occasionly do get a stray reading but I no wires are great.

"Mikael Seierup" <[email hidden]> wrote in message
news:<[email hidden]>...

Quoted message said:

"Dave Clary" skrev

Quoted message said:

I'm not putting a computer on mine for now. I don't think I could handle seeing how slow I
am! :-)

The harness I bought to replace the defective harness for my Cateye Astrale was no good either.
Speedsensor was on the fritz. Didn't want to mess with it all again so it just shows cadence now.
I'm actually quite happy with just that.

Speed is something like 12, 15, 16, 19, 22, 24, 28, 33, 36 mph at 100 rpm for the nine gears
with me using the 53 tooth front. So I usually got an idea about how fast I'm going at any given
time. Distance would be nice so maybe I'll splurge for a new new harness at some point but
theres no rush.

Mikael

Dom, What configuration are you using the Canto in and where is the computer mounted (handlebars or
FD post?). I am using a Cateye Cordless on my Haluzak with great success (computer on the FD post).
I can not figure out how to run a wireless on my new Giro Supreme and mount the computer on the
handlebars. It seems like it is too far and not in the proper direction. I have hooked up an ancient
Cateye Micro (with cadence)on the GS and I hate the miles of wires.

I am not familiar with the Vetta. Maybe it has more range and less directionality than the Cateye
Cordless. Hopefully it also keeps correct time. Something neither Cateye Cordless I own could do
correctly. The Micro has no clock readout and does not stop and start automatically. So for those
reasons, and mostly the wires, I would like to replace it. Thanks, Don

[email hidden] (Dom) wrote in message
news:<[email hidden]>...

Quoted message said:

I use the Vetta V100 wireless with cadence and have had no problems. No wires to hassle. Had to
connect a couple zip ties toghether to hold the cadence sensor on the over size tubeo on my Canto.
I occasionly do get a stray reading but I no wires are great.

"Mikael Seierup" <[email hidden]> wrote in message
news:<[email hidden]>...

Quoted message said:

"Dave Clary" skrev

Quoted message said:

I'm not putting a computer on mine for now. I don't think I could handle seeing how slow I
am! :-)

The harness I bought to replace the defective harness for my Cateye Astrale was no good either.
Speedsensor was on the fritz. Didn't want to mess with it all again so it just shows cadence
now. I'm actually quite happy with just that.

Speed is something like 12, 15, 16, 19, 22, 24, 28, 33, 36 mph at 100 rpm for the nine gears
with me using the 53 tooth front. So I usually got an idea about how fast I'm going at any given
time. Distance would be nice so maybe I'll splurge for a new new harness at some point but
theres no rush.

Mikael

The model I have is the Vetta VR100 with wireless speed and cadence. I am using the SWB
configuration on the Canto. I have the speed sensor mounted to the front wheel and the cadence
magnet mounted on the left crank (facing forward when sitting on the bike) and the sensor on the
front of the frame (left side again) just in front of the crank. The receiver is on my handle bars
(actually a Minoura Space Grip mounted to the handle bars). The setup was about the easiest for a
wireless I've experienced (had to return the first one cause it didn't work but no problems since
then). I don't think it will be a problem when I convert back to LWB because the only thing that
will move will be the speed sensor on the front wheel and that will be about the same distance as
the cadence sensor is now.

I don't care for how the receiver is mounted, using zip ties and it does hold it very securly. So it
has a tendency to move and not pick up the cadence signal. Of course I just have to move it back and
its fine. It happens mostly when I am riding on very rough road surfaces and not all that often. One
of these days when I get a spare moment I will fix that.

I do get some erradict reading on speed and cadence from stray signals when I am riding in a
commercial area. But I do like not having wires and when I convert having to rerouted the wires to
take up the slack. Dom.

[email hidden] (Don) wrote in message news:<[email hidden]>...

Quoted message said:

Dom, What configuration are you using the Canto in and where is the computer mounted (handlebars
or FD post?). I am using a Cateye Cordless on my Haluzak with great success (computer on the FD
post). I can not figure out how to run a wireless on my new Giro Supreme and mount the computer on
the handlebars. It seems like it is too far and not in the proper direction. I have hooked up an
ancient Cateye Micro (with cadence)on the GS and I hate the miles of wires.

I am not familiar with the Vetta. Maybe it has more range and less directionality than the Cateye
Cordless. Hopefully it also keeps correct time. Something neither Cateye Cordless I own could do
correctly. The Micro has no clock readout and does not stop and start automatically. So for those
reasons, and mostly the wires, I would like to replace it. Thanks, Don

[email hidden] (Dom) wrote in message
news:<[email hidden]>...

Quoted message said:

I use the Vetta V100 wireless with cadence and have had no problems. No wires to hassle. Had to
connect a couple zip ties toghether to hold the cadence sensor on the over size tubeo on my
Canto. I occasionly do get a stray reading but I no wires are great.

"Mikael Seierup" <[email hidden]> wrote in message
news:<[email hidden]>...

Quoted message said:

"Dave Clary" skrev

> I'm not putting a computer on mine for now. I don't think I could handle seeing how slow I
> am! :-)

The harness I bought to replace the defective harness for my Cateye Astrale was no good
either. Speedsensor was on the fritz. Didn't want to mess with it all again so it just shows
cadence now. I'm actually quite happy with just that.

Speed is something like 12, 15, 16, 19, 22, 24, 28, 33, 36 mph at 100 rpm for the nine gears
with me using the 53 tooth front. So I usually got an idea about how fast I'm going at any
given time. Distance would be nice so maybe I'll splurge for a new new harness at some point
but theres no rush.

Mikael

Dom, Thanks for the info. You have inspired me to try moving my Cateye Cordless to my new bike. If
that does not work, I will consider the Vetta. Try a small piece of old inner tube under the
receiver. Surprising how a little bit of friction can keep something from moving. I think the
Minoura Space Grip may be the trick to getting the receiver aligned with the sending units. Don

[email hidden] (Dom) wrote in message
news:<[email hidden]>...

Quoted message said:

The model I have is the Vetta VR100 with wireless speed and cadence. I am using the SWB
configuration on the Canto. I have the speed sensor mounted to the front wheel and the cadence
magnet mounted on the left crank (facing forward when sitting on the bike) and the sensor on the
front of the frame (left side again) just in front of the crank. The receiver is on my handle bars
(actually a Minoura Space Grip mounted to the handle bars). The setup was about the easiest for a
wireless I've experienced (had to return the first one cause it didn't work but no problems since
then). I don't think it will be a problem when I convert back to LWB because the only thing that
will move will be the speed sensor on the front wheel and that will be about the same distance as
the cadence sensor is now.

I don't care for how the receiver is mounted, using zip ties and it does hold it very securly. So
it has a tendency to move and not pick up the cadence signal. Of course I just have to move it
back and its fine. It happens mostly when I am riding on very rough road surfaces and not all that
often. One of these days when I get a spare moment I will fix that.

I do get some erradict reading on speed and cadence from stray signals when I am riding in a
commercial area. But I do like not having wires and when I convert having to rerouted the wires to
take up the slack. Dom.

[email hidden] (Don) wrote in message news:<[email hidden]>...

Quoted message said:

Dom, What configuration are you using the Canto in and where is the computer mounted (handlebars
or FD post?). I am using a Cateye Cordless on my Haluzak with great success (computer on the FD
post). I can not figure out how to run a wireless on my new Giro Supreme and mount the computer
on the handlebars. It seems like it is too far and not in the proper direction. I have hooked up
an ancient Cateye Micro (with cadence)on the GS and I hate the miles of wires.

I am not familiar with the Vetta. Maybe it has more range and less directionality than the
Cateye Cordless. Hopefully it also keeps correct time. Something neither Cateye Cordless I own
could do correctly. The Micro has no clock readout and does not stop and start automatically. So
for those reasons, and mostly the wires, I would like to replace it. Thanks, Don

[email hidden] (Dom) wrote in message
news:<[email hidden]>...

Quoted message said:

I use the Vetta V100 wireless with cadence and have had no problems. No wires to hassle. Had
to connect a couple zip ties toghether to hold the cadence sensor on the over size tubeo on my
Canto. I occasionly do get a stray reading but I no wires are great.

"Mikael Seierup" <[email hidden]> wrote in message
news:<[email hidden]>...
> "Dave Clary" skrev
>
> > I'm not putting a computer on mine for now. I don't think I could handle seeing how slow I
> > am! :-)
>
> The harness I bought to replace the defective harness for my Cateye Astrale was no good
> either. Speedsensor was on the fritz. Didn't want to mess with it all again so it just shows
> cadence now. I'm actually quite happy with just that.
>
> Speed is something like 12, 15, 16, 19, 22, 24, 28, 33, 36 mph at 100 rpm for the nine gears
> with me using the 53 tooth front. So I usually got an idea about how fast I'm going at any
> given time. Distance would be nice so maybe I'll splurge for a new new harness at some point
> but theres no rush.
>
> Mikael

1" = 25.4 mm

"RJake1" <[email hidden]> wrote in message
"]news:[email hidden]...

Quoted message said:

I just bought an EZ-1SC and am setting up a computer on it. It asked for a wheel circumference in
mm. I don't have anything to measure mm. I believe the front wheel is 16". Can anyone tell me what
that is in mm?? Thanks.

1" = 25.4mm.(International foot to Meter conversion ~ some states use a different foot but it
doesn't amount to much unless you are doing State Plane Coordinate conversions) Per a suggestion I
read on this group you could put a spot of salad oil on your tire and roll it out in a straight
line. If you measure between several spots on the pavement just divide the total length by the
number of spaces between the dots (3 dots = 2 spaces, 4 dots = 3 spaces, etc.) and that will give
you the circumference of your tire in inches.Multiply the circumference by 25.4 and you have your
answer. Several individuals also mentioned that the test works best when the tire is subjected to
the typical stresses. (Sit your butt on the bike and pedal)

William Higley, Sr. Vision R-50 RANS Rocket

"Sticker Jim" <[email hidden]> wrote in message
"]news:[email hidden]...

Quoted message said:

1" = 25.4 mm

"RJake1" <[email hidden]> wrote in message
"]news:[email hidden]...

Quoted message said:

I just bought an EZ-1SC and am setting up a computer on it. It asked for a wheel circumference
in mm. I don't have anything to measure mm. I believe the front wheel is 16". Can anyone tell me
what that is in mm?? Thanks.

Measure along the ground for one rev. of the wheel.

SW

"Sticker Jim" <[email hidden]> wrote in message
"]news:[email hidden]...

Quoted message said:

1" = 25.4 mm

"RJake1" <[email hidden]> wrote in message
"]news:[email hidden]...

Quoted message said:

I just bought an EZ-1SC and am setting up a computer on it. It asked for a wheel circumference
in mm. I don't have anything to measure mm. I believe the front wheel is 16". Can anyone tell me
what that is in mm?? Thanks.