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Search: Posts Made By: JohnJ80
Showing results 1 to 50 of 110
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07-22-21, 12:13 PM
Replies: 24
Views: 750
Posted By JohnJ80

Been there, done that (ie. used a phone). ...

Been there, done that (ie. used a phone).

Virtually no phones now have ANT+ connectivity. Using BT to connect to sensors is a giant PITA because it's a one to one connection. ANT+ is a one to...
Forum: Road Cycling
07-01-21, 06:00 PM
Replies: 28
Views: 839
Posted By JohnJ80

I always forget to add that you have to make sure...

I always forget to add that you have to make sure your pump gauge is accurate which they typically arenít. Iíve seen pumps off by as much as 15psi when 5psi matters big time to the ride quality.
...
Forum: Road Cycling
06-30-21, 04:36 PM
Replies: 28
Views: 839
Posted By JohnJ80

Josh Poertner from Silca has a Marginal Gains...

Josh Poertner from Silca has a Marginal Gains podcast and in one of the episodes they discuss vertical compliance. Turns out about 90% of vertical compliance comes from the tires and inflation.

I...
Forum: Road Cycling
06-28-21, 06:19 PM
Replies: 8
Views: 501
Posted By JohnJ80

As in most things, you get what you pay for. ...

As in most things, you get what you pay for.

A lot of the cheaper racks that either clamp to the frame, have hooks that go over the frame or that you hang the bike from are cheap but they can...
Forum: Road Cycling
06-19-21, 05:02 PM
Replies: 229
Views: 9,023
Posted By JohnJ80

Iím right there with you. I have not had a...

Iím right there with you.

I have not had a flat that made stop for the last three years. Thatís 12,000 without a flat. Had I been running tubes, that would have represented at least 18 tubes and...
Forum: Road Cycling
06-18-21, 06:04 PM
Replies: 33
Views: 1,089
Posted By JohnJ80

Itís all tied together one way or another. I...

Itís all tied together one way or another.

I follow Poertnerís podcast Marginal Gains and, if I have this right, the rolling resistance doesnít change a whole lot until it gets really soft and...
Forum: Road Cycling
06-18-21, 04:31 PM
Replies: 33
Views: 1,089
Posted By JohnJ80

See above - our posts crossed in the ether. ...

See above - our posts crossed in the ether.

It also depends on how repeatable the pump gauge is. You could have an inaccurate gauge but it was repeatable and as long as you used that pump, you'd...
Forum: Road Cycling
06-18-21, 04:29 PM
Replies: 33
Views: 1,089
Posted By JohnJ80

Apparently how Poertner (Silca CEO with an MSEE)...

Apparently how Poertner (Silca CEO with an MSEE) did it, was by collecting lots and lots and lots of user data from race teams and users and then applied a little machine learning to it. It's not a...
Forum: Road Cycling
06-18-21, 03:55 PM
Replies: 70
Views: 2,963
Posted By JohnJ80

I had bought the Friction Facts reports a few...

I had bought the Friction Facts reports a few years ago so I went and dug them out. Here's what Friction Facts said about factory lubes:



Their purpose is not to provide a slick chain, but to...
Forum: Road Cycling
06-18-21, 03:26 PM
Replies: 70
Views: 2,963
Posted By JohnJ80

That's how business is done in Asia. Even the...

That's how business is done in Asia. Even the biggest companies in the world (think $100B+ in sales) still will do special deals if someone shows up with a suitcase of money and they have a...
Forum: Road Cycling
06-18-21, 02:51 PM
Replies: 229
Views: 9,023
Posted By JohnJ80

Yeah, well - I live and ride in a rural, heavily...

Yeah, well - I live and ride in a rural, heavily wooded area in Minnesota. Stopping for even a very short period of time at the height of summer can be exceedingly unpleasant from a mosquito...
Forum: Road Cycling
06-13-21, 06:59 PM
Replies: 37
Views: 2,024
Posted By JohnJ80

thereís a hack where you install blips (buttons...

thereís a hack where you install blips (buttons places somewhere else other than brifters)near the shifters. Since the blips operate as the paddle for the shifter theyíre attached to, if you put the...
Forum: Road Cycling
06-12-21, 11:56 AM
Replies: 134
Views: 11,707
Posted By JohnJ80

I donít agree. If anything the damper would limit...

I donít agree. If anything the damper would limit oscillations of the frame and change the mechanical resonance. Think what happens if you were to put a rubber piece in the middle of a tuning fork.
...
06-12-21, 10:44 AM
Replies: 45
Views: 5,436
Posted By JohnJ80

the radar implementation, warning and display is...

the radar implementation, warning and display is better than Garmin. they make use of the high res display and when there is no threat there is no display. The display is more prominent, muting is...
06-10-21, 10:45 PM
Replies: 45
Views: 5,436
Posted By JohnJ80

The connection is only for downloading routes...

The connection is only for downloading routes from their cloud, sync activities, unit settings, etcÖ. In a ride, it does not need a connection unless you are using its live tracking. Then that can be...
05-30-21, 04:02 PM
Replies: 45
Views: 5,436
Posted By JohnJ80

yes. Itís pretty seamless. Pinned rides sync as...

yes. Itís pretty seamless. Pinned rides sync as do the changes. Rides completed can be automatically uploaded. Mine are automatically uploaded to Strava, Training Peaks and RWGPS all without...
05-30-21, 12:17 PM
Replies: 24
Views: 1,319
Posted By JohnJ80

What's the thing DCRainmaker says about the...

What's the thing DCRainmaker says about the Varia? "Only two kinds of people when it comes to Varia: Those that love it and those that haven't tried it." (paraphrased but close).
05-26-21, 09:45 PM
Replies: 10
Views: 745
Posted By JohnJ80

To my point - what do you want to do with the...

To my point - what do you want to do with the video? If you look the legal outcomes of bike vs car, it's almost always, to the point where "always" is accurate, written off as an "accident." As an...
Forum: Road Cycling
05-26-21, 10:07 AM
Replies: 79
Views: 2,573
Posted By JohnJ80

I have three stages single sided gen3 power...

I have three stages single sided gen3 power meters. They work flawlessly and they're largely set and forget. Their customer service is amazing and a big differentiator, I feel.

I am not a fan...
05-19-21, 10:23 AM
Replies: 15
Views: 1,453
Posted By JohnJ80

I used to spend a lot of time riding at night on...

I used to spend a lot of time riding at night on rural, winding roads. I found that at about 1000 lumens, I no longer had to go slower than I normally would in daylight when descending hills, but...
Forum: Road Cycling
04-25-21, 08:50 AM
Replies: 100
Views: 5,868
Posted By JohnJ80

I have a number of wheels with 240S hubs in them...

I have a number of wheels with 240S hubs in them with a variety of different ratchets. While there is some difference in noise, itís not huge between the ratchets but the quality of the noise is...
03-31-21, 06:37 PM
Replies: 62
Views: 36,495
Posted By JohnJ80

what would be really cool is if someone did a 3D...

what would be really cool is if someone did a 3D print model for the whole thing including the mount foot.
03-26-21, 04:41 PM
Replies: 62
Views: 36,495
Posted By JohnJ80

Here’s my latest mount of the Varia Radar. I like...

Here’s my latest mount of the Varia Radar. I like how it came out. It’s made up of the K-edge number holder and the K-edge stem cap. I think this may be the cleanest frame mount version I’ve seen if...
03-12-21, 05:34 PM
Replies: 26
Views: 44,173
Posted By JohnJ80

I’ve never been able to make Blueheart work...

I’ve never been able to make Blueheart work reliably. However, North Pole Engineering makes a dongle called Heartbeatz that works flawlessly. You pair the dongle to your bike computer as a HRM, you...
Forum: Road Cycling
02-20-21, 02:43 PM
Replies: 29
Views: 1,695
Posted By JohnJ80

Frankly, I donít notice a difference. The big...

Frankly, I donít notice a difference. The big advantage of electronic shifting is that once you tell it to shift, it shifts quickly and perfectly. The same canít be said of mechanical, especially...
Forum: Road Cycling
02-19-21, 07:08 PM
Replies: 29
Views: 1,695
Posted By JohnJ80

I, grudgingly, tried electronic shifting and...

I, grudgingly, tried electronic shifting and upgraded a bike from DA to Ultegra Di2. Really liked the electronic shifting. I live in the frozen north so riding a lot of the time means full finger...
Forum: Road Cycling
02-02-21, 01:19 PM
Replies: 29
Views: 3,116
Posted By JohnJ80

Man, I sure hope not. <shudder> I rode...

Man, I sure hope not. <shudder>

I rode those for years along with cleats you nailed onto the shoe to lock you into toe clips. Iím glad both of those are gone and I hope they never come back.
Forum: Road Cycling
01-30-21, 03:21 PM
Replies: 147
Views: 7,247
Posted By JohnJ80

But itís also a function of geography and road...

But itís also a function of geography and road quality. I used to get 6-8 flats per year with tubes, now I get one in a bad year with tubeless. Pretty straightforward decision in my geography and how...
Forum: Road Cycling
01-28-21, 09:02 PM
Replies: 24
Views: 2,472
Posted By JohnJ80

the sand comes from here. Theyíre not doing the...

the sand comes from here. Theyíre not doing the fracking here. So, no.
01-27-21, 01:42 PM
Replies: 19
Views: 1,359
Posted By JohnJ80

What could possibly go wrong?

What could possibly go wrong?
01-27-21, 01:28 PM
Replies: 31
Views: 2,396
Posted By JohnJ80

I have both the K1 and the K2. The K2 screen is...

I have both the K1 and the K2. The K2 screen is easier for me to read and I find that I set the brightness at about half of what it was set at on the K1.

Totally agree with the commentary about...
Forum: Road Cycling
01-26-21, 08:20 PM
Replies: 62
Views: 4,210
Posted By JohnJ80

I’ve had both. In fact, I had an Ultegra Di2...

I’ve had both. In fact, I had an Ultegra Di2 bike and I replaced it with eTap becasuse:

The two paddles vs one paddle for eTap are much harder to use with gloves in cold weather (I live in...
Forum: Road Cycling
01-04-21, 11:59 AM
Replies: 31
Views: 3,006
Posted By JohnJ80

No The bike hangs from a 2:1 pulley so there...

No

The bike hangs from a 2:1 pulley so there are two lengths of rope that go through a pulley that connects to the straps. As long as that is not twisted the bike will hang straight. If you twist...
Forum: Road Cycling
12-28-20, 08:03 PM
Replies: 19
Views: 1,716
Posted By JohnJ80

no itís not. Weíre talking a millimeter or so...

no itís not. Weíre talking a millimeter or so here. And if the fit isnít any good itís very difficult to be fast or go far. If youíre out of the range of what manufacturers produce you have to work...
Forum: Touring
12-28-20, 01:16 PM
Replies: 15
Views: 1,607
Posted By JohnJ80

Muscle imbalance is *very* common in cyclists and...

Muscle imbalance is *very* common in cyclists and it's the hamstrings that suffer.

I also had cramping problems - vitamin B solved most of it. Electrolytes didn't touch it. That's worth a try...
Forum: Road Cycling
12-28-20, 01:11 PM
Replies: 19
Views: 1,716
Posted By JohnJ80

Sure. But they probably stopped that because you...

Sure. But they probably stopped that because you can solve it easily with insoles. They put crap insoles in their shoes to start, almost like they expect one to go get their own insoles anyhow.

I...
Forum: Road Cycling
12-28-20, 01:06 PM
Replies: 19
Views: 1,716
Posted By JohnJ80

Then try the insole tricks. Sidi's run narrow to...

Then try the insole tricks. Sidi's run narrow to begin with and you should be able to fix that with the insoles. The difference from narrow to regular is surprisingly little. Go look at a shoe fit...
Forum: Road Cycling
12-28-20, 12:30 PM
Replies: 19
Views: 1,716
Posted By JohnJ80

Why don't you just replace them with another set...

Why don't you just replace them with another set of Sidi's in the same size? Sidi hasn't changed their foot lasts for many many years.

Some hints and tricks:

If the shoe is too loose, you...
Forum: Touring
12-15-20, 06:15 PM
Replies: 25
Views: 2,878
Posted By JohnJ80

The reason most good rain gear is thought to leak...

The reason most good rain gear is thought to leak is that the seams are, almost always, sealed poorly. Get some seam sealer and go over all the seams and make sure they are solidly covered. You won't...
12-08-20, 10:31 PM
Replies: 62
Views: 6,400
Posted By JohnJ80

I live and ride in Minnesota and Iím a ski...

I live and ride in Minnesota and Iím a ski patroller all winter so I spend a lot of time outdoors in the cold down to -35F or so.

Two things:
1. You acclimate and get used to it. You fell cold...
Forum: Touring
12-08-20, 11:22 AM
Replies: 42
Views: 3,193
Posted By JohnJ80

Our two kids, between undergraduate degrees and...

Our two kids, between undergraduate degrees and grad school, have a total of 13 years at major urban universities that have had serious and continuous issues with bike theft on and around campus. The...
11-22-20, 02:19 PM
Replies: 51
Views: 3,657
Posted By JohnJ80

Yes, agree. To this, I'd also add...

Yes, agree. To this, I'd also add "coordination." There does seem to be a number of people, again without respect to age, that have difficulties with removing the wrong foot from the pedal and...
11-22-20, 10:57 AM
Replies: 51
Views: 3,657
Posted By JohnJ80

Iím right in that age category and I have no...

Iím right in that age category and I have no issues. I ride with an entire group of roadies of that age, none of whom would even think to ride without clipless pedals. A simple search in these...
11-14-20, 03:52 PM
Replies: 8
Views: 1,475
Posted By JohnJ80

I don't think you want to smooth this out. I...

I don't think you want to smooth this out. I think it means you have bad data. Smoothing it out is likely going to be a "garbage in = garbage out" exercise.

I'd change all the batteries in the...
11-10-20, 05:28 PM
Replies: 20
Views: 2,371
Posted By JohnJ80

I have every version of the Varia radar that's...

I have every version of the Varia radar that's been available going back to the original.

Here are your answers:

The original and Varia 2 only work on ANT+. So unless you have specific cell...
11-09-20, 09:35 PM
Replies: 51
Views: 3,657
Posted By JohnJ80

Maybe both of you guys need to meet some of the...

Maybe both of you guys need to meet some of the guys in their 70s and higher who can blow the doors off riders much younger than they are. To make a statement that someone in their 70s should not be...
11-09-20, 03:29 PM
Replies: 51
Views: 3,657
Posted By JohnJ80

What in the hell does age have to do with it at...

What in the hell does age have to do with it at all? Thereís an age requirement on pedals now?

That may be the stupidest thing Iíve heard about pedals ever.
Forum: Road Cycling
11-01-20, 02:00 PM
Replies: 59
Views: 2,380
Posted By JohnJ80

Ray Maker says it best - there are two kinds of...

Ray Maker says it best - there are two kinds of people when it comes to Varia Radar: those who love it and those that havenít ridden with it.
Forum: Road Cycling
11-01-20, 01:15 PM
Replies: 59
Views: 2,380
Posted By JohnJ80

A big part of this is learning how to ride on the...

A big part of this is learning how to ride on the road. These guys can help with that.

https://cyclingsavvy.org

A friends of mine who's a retired police officer who was involved in getting...
Forum: Road Cycling
10-22-20, 01:28 PM
Replies: 81
Views: 3,636
Posted By JohnJ80

No, Iím saying that itís important to know when...

No, Iím saying that itís important to know when ice *will* form so you can go riding when it doesnít or wonít. If you live in places where ice forms, you miss a lot of riding if you are ignorant...
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