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Search: Posts Made By: JohnJ80
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Forum: Road Cycling
09-09-19, 04:09 PM
Replies: 124
Views: 9,735
Posted By JohnJ80

So I'm curious now. Why did you select this...

So I'm curious now. Why did you select this frame size instead of a larger one? What characteristics where you looking for that a larger frame wouldn't accomplish?
Forum: Road Cycling
09-09-19, 03:55 PM
Replies: 124
Views: 9,735
Posted By JohnJ80

Sure, they both "fit" but the performance won't...

Sure, they both "fit" but the performance won't be the same.

Just because the contact points are the same, that doesn't mean the the wheelbase, trail, and other specs of the two frames sizes are...
Forum: Road Cycling
09-09-19, 03:26 PM
Replies: 124
Views: 9,735
Posted By JohnJ80

Agree. Also, most fork manufacturers have a spec...

Agree. Also, most fork manufacturers have a spec on the maximum spacers between the stem and top of the headset. I just went through this with Enve where on the fork I am using they specify a max...
Forum: Road Cycling
09-09-19, 12:30 PM
Replies: 87
Views: 5,611
Posted By JohnJ80

They arenít mutually exclusive. The Varia Radar...

They arenít mutually exclusive. The Varia Radar is quite synergistic with a mirror.
Forum: Road Cycling
09-07-19, 02:30 PM
Replies: 17
Views: 1,035
Posted By JohnJ80

I'd have to agree with this. I just went through...

I'd have to agree with this. I just went through this trying to get some Schwalbe Pro ones in 28mm to work on my racing geometry frame. Probably 2mm or so clearance so the tire turned through there....
Forum: Road Cycling
09-04-19, 05:50 PM
Replies: 87
Views: 5,611
Posted By JohnJ80

Yes. If the device confirms to the ant+ light...

Yes. If the device confirms to the ant+ light spec, you can set that up.
Forum: Road Cycling
09-04-19, 03:19 PM
Replies: 87
Views: 5,611
Posted By JohnJ80

And Wahoo does something similar but they also...

And Wahoo does something similar but they also bring in the LEDs into the user interface.

Anybody else other than wahoo or Garmin users need the head end.

That said, if you ever anticipate...
Forum: Road Cycling
09-04-19, 12:50 PM
Replies: 87
Views: 5,611
Posted By JohnJ80

Thatís interesting. Whatís kind of range do you...

Thatís interesting. Whatís kind of range do you get with that?
Forum: Road Cycling
09-03-19, 11:04 PM
Replies: 87
Views: 5,611
Posted By JohnJ80

I donít think the Varia is any more effective...

I donít think the Varia is any more effective than other high bright day light capable taillights and I doubt many of any motorists are expecting recording taillights although it would be great if...
09-03-19, 06:21 PM
Replies: 49
Views: 3,636
Posted By JohnJ80

Yep. And that is EXACTLY what a gps sensor does....

Yep. And that is EXACTLY what a gps sensor does. It converts physical input (gps RF) into electrical digital information. Distinction without a difference. There are lots of ďsensorsĒ that are...
Forum: Road Cycling
09-03-19, 04:50 PM
Replies: 87
Views: 5,611
Posted By JohnJ80

I have both (Varia and Cycliq rear camera). I...

I have both (Varia and Cycliq rear camera). I never use the rear camera but I always use the radar. The most useful camera for either dealing with infractions sent to LE is the front camera anyhow....
09-02-19, 10:57 PM
Replies: 25
Views: 1,956
Posted By JohnJ80

The connectivity is one of the strengths of the...

The connectivity is one of the strengths of the Bolt. Unclear why you bought one?
Forum: Road Cycling
09-02-19, 08:37 AM
Replies: 32
Views: 1,467
Posted By JohnJ80

I was quoting their built weights for their wheel...

I was quoting their built weights for their wheel sets.

If memory serves, the last whee set Wheelbuilder built for me, the set weight was 1460 grams with the HED rims which I subsequently rode...
09-02-19, 08:29 AM
Replies: 25
Views: 1,956
Posted By JohnJ80

The upload is seamless. You likely wonít even...

The upload is seamless. You likely wonít even know it happened.
Forum: Road Cycling
09-01-19, 08:10 PM
Replies: 32
Views: 1,467
Posted By JohnJ80

I guess thatís the point - I donít consider...

I guess thatís the point - I donít consider 200-300g+ difference to be close in spec. If you think that is close, then buy on price or your favorite graphics.
09-01-19, 08:05 PM
Replies: 17
Views: 1,549
Posted By JohnJ80

Well, when one app says 1200 cal for an hour and...

Well, when one app says 1200 cal for an hour and the other more realistic one says 500 (bit you donít know which is the right one) youíre going to be gaining weight as part of your effort to hone in...
Forum: Road Cycling
09-01-19, 05:28 PM
Replies: 32
Views: 1,467
Posted By JohnJ80

THat's the compelling argument for the HED set...

THat's the compelling argument for the HED set up. Light weight in a tough rim at about half the price of carbon from name brand carbon rims. I have a couple of sets of carbon rims from Enve and...
09-01-19, 03:39 PM
Replies: 25
Views: 1,956
Posted By JohnJ80

Upload it to Strava and/or RWGPS and set the bike...

Upload it to Strava and/or RWGPS and set the bike there (https://ridewithgps.com/help/adding-gear) (you can do it bulk, IIRC). You can then see the accumulated mileage. RWGPS also has a maintenance...
09-01-19, 03:17 PM
Replies: 25
Views: 1,956
Posted By JohnJ80

The BOLT should be fine. Why do you need two...

The BOLT should be fine. Why do you need two computers then?
Forum: Road Cycling
09-01-19, 03:16 PM
Replies: 32
Views: 1,467
Posted By JohnJ80

Yep. The HED wheels are substantially lighter...

Yep. The HED wheels are substantially lighter for alloy rims - 1600g or 1760g vs HED at 1400-1450g wheel set weight and about the same for the Carbon 55mm rims. Since I was mostly interested in...
09-01-19, 02:17 PM
Replies: 25
Views: 1,956
Posted By JohnJ80

Why?

Why?
09-01-19, 02:16 PM
Replies: 25
Views: 1,956
Posted By JohnJ80

Just let the Bolt upload to Strava and you can...

Just let the Bolt upload to Strava and you can select the bike there.
Forum: Road Cycling
09-01-19, 02:13 PM
Replies: 20
Views: 1,205
Posted By JohnJ80

no brainer - take the Di2 bike.

no brainer - take the Di2 bike.
Forum: Road Cycling
09-01-19, 02:11 PM
Replies: 32
Views: 1,467
Posted By JohnJ80

^This. I have about 4 HED Belgium+ wheel...

^This.

I have about 4 HED Belgium+ wheel sets laced to DT Swiss 240 hubs with Saphim X-ray bladed spokes and are all set up tubeless. My 28/28 set comes in at ~1400g. What always impresses me...
09-01-19, 08:56 AM
Replies: 17
Views: 1,549
Posted By JohnJ80

I'm not sure that RWGPS can even talk to a power...

I'm not sure that RWGPS can even talk to a power meter in any meaningful way but even if it could, it's a navigation program not a bike computer program. There are far better choices than that.
...
08-31-19, 05:06 PM
Replies: 49
Views: 3,636
Posted By JohnJ80

Well, you can. If you have any ANT+ sensors,...

Well, you can. If you have any ANT+ sensors, they won't work. Only BT sensors will operate with the iPhone.

FWIW, after having used most of the bike computer apps, they are at best just...
08-31-19, 05:04 PM
Replies: 9
Views: 1,032
Posted By JohnJ80

It simply can't be much. There just isn't that...

It simply can't be much. There just isn't that much data to send. The max would likely be the size of the Fit File that was produced. Look at that and I'd guess that would be the amount of data...
08-30-19, 10:03 PM
Replies: 14
Views: 2,032
Posted By JohnJ80

Getting old is not for the timid.

Getting old is not for the timid.
08-30-19, 10:00 PM
Replies: 17
Views: 1,549
Posted By JohnJ80

^this. I was shocked when I was looking at...

^this.

I was shocked when I was looking at the calorie burned numbers from 3 different bike computers a few years ago. They varied by almost 100% method to method/computer to computer. If you want...
Forum: Touring
08-23-19, 10:42 AM
Replies: 5
Views: 723
Posted By JohnJ80

Have you done the Root River Trail ...

Have you done the Root River Trail (http://www.rootrivertrail.org)system down in Lanesboro? I believe there are campsites there. Also the Cannon Falls - Redwing Cannon Valley Trail...
08-12-19, 08:06 AM
Replies: 39
Views: 4,564
Posted By JohnJ80

I have to say that once I got it working, itís...

I have to say that once I got it working, itís been really stable. I use the headlight every ride the taillight less so. But Iíve used the video several times with law enforcement successfully. So...
08-09-19, 04:48 PM
Replies: 104
Views: 20,166
Posted By JohnJ80

Simply not true. And Iíve tested it with lights...

Simply not true. And Iíve tested it with lights well beyond those ranges in front and back. That includes up to a Lupine Betty at 5000 lumens in the front (that will blind someone) but at these...
Forum: Road Cycling
08-05-19, 05:28 PM
Replies: 26
Views: 1,251
Posted By JohnJ80

^this. Not all that infrequently, something...

^this.

Not all that infrequently, something happens to my main bike and if I didn't have another bike to ride, I'd be grounded until the parts arrived and I had time to repair it or my LBS...
07-26-19, 04:48 PM
Replies: 10
Views: 1,426
Posted By JohnJ80

I have the Fly6ce/12ce set. It's kind of a...

I have the Fly6ce/12ce set. It's kind of a mediocre set up but it works well for what I want it to do. I use it to deal with drivers, primarily commercial, that don't give cyclists proper right of...
07-22-19, 12:11 PM
Replies: 104
Views: 20,166
Posted By JohnJ80

I got sort of interested in LED technology (I'm...

I got sort of interested in LED technology (I'm an electrical engineer in the semiconductor industry) and started tracking it in bike lighting back to about 2000. So I started collecting LED tail...
07-21-19, 09:18 AM
Replies: 104
Views: 20,166
Posted By JohnJ80

Car headlights are 700 lumens on low and 1200...

Car headlights are 700 lumens on low and 1200 lumens on high (halogen, LED are much brighter) - on that you're wrong. Cars have two of them. Here is a source...
Forum: Road Cycling
07-20-19, 05:19 PM
Replies: 85
Views: 7,657
Posted By JohnJ80

No, what I'm saying is that he could get a much...

No, what I'm saying is that he could get a much better bike than he has for the cost of that power meter. One that might not have drive train issues. You have to be able to reliably pedal the bike...
Forum: Road Cycling
07-20-19, 07:20 AM
Replies: 85
Views: 7,657
Posted By JohnJ80

A power meter would be about 20X what he paid for...

A power meter would be about 20X what he paid for the bike. He just figure out how to keep the chain on the chain rings.
07-19-19, 03:43 PM
Replies: 104
Views: 20,166
Posted By JohnJ80

I've been riding with daytime lights for a long...

I've been riding with daytime lights for a long time. When we broke over the 100 lumen barrier for LEDs, that's when I really noticed driver behavior changing in a dramatic way. By changing, I mean...
Forum: Commuting
07-19-19, 10:37 AM
Replies: 96
Views: 8,680
Posted By JohnJ80

Here in Minnesota, I think it was 1981-82 winter,...

Here in Minnesota, I think it was 1981-82 winter, we went 72 days below freezing and had something like double our normal snowfall.

Last year we had a nice cold winter with common temps often sub...
Forum: Road Cycling
07-19-19, 10:30 AM
Replies: 85
Views: 7,657
Posted By JohnJ80

Well said. Laws of Physics are a tough one. ...

Well said. Laws of Physics are a tough one.

Much more satisfying and practical to focus on physiological fitness or performance aspects related to cycling because those generally have a bigger...
07-19-19, 09:11 AM
Replies: 104
Views: 20,166
Posted By JohnJ80

AA powered lights have insufficient battery to...

AA powered lights have insufficient battery to provide good daytime visibility IMO. You need at least 100 lumens in a taillight and you need at least 500 lumens in a headlight to have solid daytime...
Forum: Road Cycling
07-17-19, 06:20 PM
Replies: 85
Views: 7,657
Posted By JohnJ80

Average speeds are misleading until you consider...

Average speeds are misleading until you consider the terrain. The only way you can compare average speed from a ride is if you ride the same route again. We ride where it's up and down hilly. ...
Forum: Road Cycling
07-17-19, 10:12 AM
Replies: 22
Views: 1,213
Posted By JohnJ80

Wow! Hard to believe it even worked like that. ...

Wow! Hard to believe it even worked like that.

I changed my chain once, then threw the bike on the car without checking it. Drove 1100 miles to ride, got on the bike and the chain started...
Forum: Road Cycling
07-16-19, 07:03 PM
Replies: 4
Views: 594
Posted By JohnJ80

I think to get aero advantage you need to be...

I think to get aero advantage you need to be something like 1.05x the tire width.
Forum: Road Cycling
07-16-19, 04:12 PM
Replies: 22
Views: 1,213
Posted By JohnJ80

add chain rings.

add chain rings.
Forum: Road Cycling
07-16-19, 04:09 PM
Replies: 22
Views: 931
Posted By JohnJ80

I have a more than a few wheel sets with DT Swiss...

I have a more than a few wheel sets with DT Swiss 240 hubs. They're not supposed to be loud, if they are, they need to be lubed. You pop off the free hub body and grease everything up with their...
Forum: Road Cycling
07-16-19, 04:03 PM
Replies: 7
Views: 925
Posted By JohnJ80

I have a 2007 LeMond Versaille that I...

I have a 2007 LeMond Versaille that I cannibalized for parts. Best I could get was about $200 for the frame and even at that, no takers.

J.
Forum: Road Cycling
07-16-19, 04:02 PM
Replies: 4
Views: 594
Posted By JohnJ80

Also makes a big difference in the size and shape...

Also makes a big difference in the size and shape of the tire. The wider the internal part of the rim, the wider the tire and the higher the profile. That seemed counter intuitive to me until I...
Forum: Road Cycling
07-11-19, 11:08 AM
Replies: 27
Views: 1,795
Posted By JohnJ80

Yes. I understand that. Three points to...

Yes. I understand that.

Three points to clarify and expand on what I said:

1. The piece about tire Size and pressure equivalent across test rides is necessary to compare because tires have...
Showing results 1 to 50 of 1000
 


 
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