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Search: Posts Made By: SoSmellyAir
Showing results 1 to 50 of 1000
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Forum: General Cycling Discussion
05-22-24, 09:21 PM
Replies: 47
Views: 1,073
Posted By SoSmellyAir

My best guess would be yes. There are many...

My best guess would be yes. There are many discussions regarding the 16T cog and the preference for having single tooth caps up to the 17T cog. Mathematically, a two-teeth gap between the 15T and 17T...
Forum: Road Cycling
05-22-24, 06:22 PM
Replies: 12
Views: 225
Posted By SoSmellyAir

So did you read this from the "papers" or did you...

So did you read this from the "papers" or did you just think this up? Either way, it is wrong; Shimano does not currently differentiate between 12-speed road and MTB chain: SHIMANO DEORE XT 12-Speed...
Forum: Road Cycling
05-22-24, 04:32 PM
Replies: 15
Views: 433
Posted By SoSmellyAir

I would not buy a GSR instead of a GP5K to save...

I would not buy a GSR instead of a GP5K to save only $7.

But the original inquiry was by LarrySellerz and he was asking about 8 tires and 8 tubes, so I had recommended the US3, which is roughly...
Forum: General Cycling Discussion
05-22-24, 03:49 PM
Replies: 47
Views: 1,073
Posted By SoSmellyAir

You may really miss the 16T cog; the shifts...

You may really miss the 16T cog; the shifts between 15T and 17T is on average 12.5%.
Forum: Road Cycling
05-22-24, 11:13 AM
Replies: 15
Views: 433
Posted By SoSmellyAir

I had used Grand Sport Race ("GSR") a few years...

I had used Grand Sport Race ("GSR") a few years ago when they were priced only slightly more than UltraSport III ("US3"). GSR and US3 are both made in China with the same outer compound (i.e., Pure...
Forum: General Cycling Discussion
05-21-24, 06:35 PM
Replies: 37
Views: 606
Posted By SoSmellyAir

Exactly. I recently became the newest member of a...

Exactly. I recently became the newest member of a no-drop group whose members have been riding together for many years for camaraderie and to train for an annual charity ride. On our last ride I...
Forum: General Cycling Discussion
05-21-24, 06:17 PM
Replies: 25
Views: 544
Posted By SoSmellyAir

Just in case winwin96 does not realize this: the...

Just in case winwin96 does not realize this: the lock washer looks like a washer which has been cut and bent slightly open, which keeps the bolt tight.
Forum: Road Cycling
05-21-24, 12:29 PM
Replies: 17
Views: 238
Posted By SoSmellyAir

In addition to the above, I heard that really...

In addition to the above, I heard that really hardcore TT riders choose their chain rings so that the most frequently used gear combination would have a perfect (i.e., parallel to top tube) chain...
Forum: Road Cycling
05-21-24, 12:23 PM
Replies: 10,425
Views: 3,359,676
Posted By SoSmellyAir

I humbly suggest that any Made in USA CAAD should...

I humbly suggest that any Made in USA CAAD should qualify as C&V regardless of headset.
Forum: Southern California
05-20-24, 03:30 PM
Replies: 8
Views: 332
Posted By SoSmellyAir

​​​​​​ Yes, Irvine has recently experienced...

​​​​​​
Yes, Irvine has recently experienced misty mornings that would not show up in the forecast until after the misting starts. It generally clears up for late morning.
Forum: General Cycling Discussion
05-20-24, 11:43 AM
Replies: 47
Views: 1,073
Posted By SoSmellyAir

This is not complicated. You should consider,...

This is not complicated. You should consider, with respect to your old drivetrain, two issues: (1) do you run out of gears at either the top end (52T chain ring with 12T cog) and/or the low end (30T...
Forum: Southern California
05-20-24, 10:54 AM
Replies: 8
Views: 332
Posted By SoSmellyAir

Please let me know about the wind conditions.

Please let me know about the wind conditions.
Forum: Cyclocross and Gravelbiking (Recreational)
05-19-24, 12:02 PM
Replies: 8
Views: 485
Posted By SoSmellyAir

Yes. In addition to the ADV 2.3, my local REI has...

Yes. In addition to the ADV 2.3, my local REI has other bikes on sale at pricing not reflected online, so he might as well go take a look.
Forum: Advocacy & Safety
05-19-24, 11:55 AM
Replies: 125
Views: 3,565
Posted By SoSmellyAir

The Edge does not allow one to adjust the volume...

The Edge does not allow one to adjust the volume of the Varia alert tones. My only option is to switch between a multi-tone alert -- a triple note trill, which was too much for me -- and a single...
Forum: Southern California
05-19-24, 11:36 AM
Replies: 8
Views: 332
Posted By SoSmellyAir

It was extremely windy when I last rode SCR...

It was extremely windy when I last rode SCR eastbound toward the end of last year. Waiting for diphthong to report back that it is all calm and sunny before I tackle SCR again.
Forum: General Cycling Discussion
05-18-24, 10:09 PM
Replies: 36
Views: 958
Posted By SoSmellyAir

AFAIK, what I read only pertains to 110 BCD with...

AFAIK, what I read only pertains to 110 BCD with 5 chain ring bolts. Marginal as in the chain may contact the chain ring bolts which lead to unexpected wear over the long run.
Forum: General Cycling Discussion
05-18-24, 07:56 PM
Replies: 36
Views: 958
Posted By SoSmellyAir

I have read that 33T chain rings are marginal on...

I have read that 33T chain rings are marginal on 110 BCD cranks; 34T seems safer. There does not appear to be a 10-speed 11-30 cassette.
Forum: General Cycling Discussion
05-18-24, 04:05 PM
Replies: 31
Views: 928
Posted By SoSmellyAir

Me too. The GRX crank (on my gravel bike) has a...

Me too. The GRX crank (on my gravel bike) has a larger Q-factor (than those on my road bikes), but even with the XT pedals having the longer (55 mm) spindles, I still need to both slide and rotate my...
Forum: Bicycle Mechanics
05-18-24, 01:26 PM
Replies: 43
Views: 823
Posted By SoSmellyAir

It would be less Zen than back then because...

It would be less Zen than back then because presumably you would be using fewer spokes and nipples? :D
Forum: Bicycle Mechanics
05-18-24, 01:17 AM
Replies: 43
Views: 823
Posted By SoSmellyAir

Not per my personal definition of stack : reach...

Not per my personal definition of stack : reach ratio > 1.5 (in my size, i.e., 54, which has an effective top tube length of 544 mm, which is in the ballpark of what I need). But that is just me. The...
Forum: Road Cycling
05-17-24, 06:13 PM
Replies: 17
Views: 565
Posted By SoSmellyAir

Are you implying that older generations of...

Are you implying that older generations of Dura-Ace rim brake calipers have better stopping power than their 105 and Ultegra counterparts within the same generation? I started road cycling in the...
Forum: Cyclocross and Gravelbiking (Recreational)
05-17-24, 05:59 PM
Replies: 27
Views: 1,027
Posted By SoSmellyAir

Exactly!

Exactly!
Forum: Bicycle Mechanics
05-17-24, 05:14 PM
Replies: 43
Views: 823
Posted By SoSmellyAir

I wish you the best of luck but your hope seems...

I wish you the best of luck but your hope seems unrealistic unless the person for whom the custom frame was built had torso, inseam, and arm length measurements very similar to yours. IMHO, if the...
Forum: Bicycle Mechanics
05-17-24, 12:52 AM
Replies: 43
Views: 823
Posted By SoSmellyAir

Have you tried a bike with endurance geometry,...

Have you tried a bike with endurance geometry, i.e., stack to reach ratio of at least 1.5 (my personal definition)?

One with longer legs and a shorter torso than average for a given height might...
Forum: Southern California
05-16-24, 10:25 PM
Replies: 34
Views: 2,553
Posted By SoSmellyAir

Works Less Well When Paired with Edge 540

I have now happily used my Varia RTL-515 for over a year, paired with Varia iOS app (on my iPhone 14 Pro Max).

I recently joined a riding group to train for a charity ride in October and need a...
Forum: General Cycling Discussion
05-16-24, 01:35 PM
Replies: 33
Views: 853
Posted By SoSmellyAir

For turning derailleur limit screws, I use an old...

For turning derailleur limit screws, I use an old JIS screwdriver (which came with my mom's first Datsun and is thus almost as old as I am) or the orange + screwdriver that comes with Ring cameras;...
Forum: Road Cycling
05-16-24, 01:01 PM
Replies: 5
Views: 149
Posted By SoSmellyAir

Are you talking about (A) the front brake, which...

Are you talking about (A) the front brake, which would be mounted on the fork, or (B) the rear brake, which would usually be mounted on a bridge across the seat stays, except for (C) on some TT...
Forum: Road Cycling
05-15-24, 07:17 PM
Replies: 7
Views: 360
Posted By SoSmellyAir

I have the Mavic Ksyrium Elite WTS, W stands for...

I have the Mavic Ksyrium Elite WTS, W stands for wider (17 mm internal width), which was the generation before UST when Mavic went tubeless (but stayed at 17 mm). IIRC, from when I was shopping for...
Forum: General Cycling Discussion
05-15-24, 07:04 PM
Replies: 31
Views: 928
Posted By SoSmellyAir

20 mm is a lot. I was unable to comfortably ride...

20 mm is a lot. I was unable to comfortably ride clipless until Shimano released its +4 mm Ultegra pedals, which allow the additional toe out I needed.
Forum: Advocacy & Safety
05-15-24, 06:53 PM
Replies: 125
Views: 3,565
Posted By SoSmellyAir

I should have reviewed the FCC certifications...

I should have reviewed the FCC certifications before engaging you and njkayaker in this theoretical discussion.

Trek Bicycle CarBack Radar 5301478 FCC ID 2AHXD-5301478...
Forum: Advocacy & Safety
05-15-24, 06:31 PM
Replies: 125
Views: 3,565
Posted By SoSmellyAir

No, I was suggesting that an mm wave radar might...

No, I was suggesting that an mm wave radar might need more power than an mm wave presence sensor. But I have no idea whether that would be more, less, or comparable to a Varia.



You are right,...
Forum: Advocacy & Safety
05-15-24, 05:34 PM
Replies: 125
Views: 3,565
Posted By SoSmellyAir

Yes. My question with respect to mm wave radar is...

Yes. My question with respect to mm wave radar is about the power requirement at (i) a range useful for cycling (e.g., 140 m like Varia) and (ii) duration (e.g., 10 hours on blinking like Varia).
Forum: Advocacy & Safety
05-15-24, 05:19 PM
Replies: 125
Views: 3,565
Posted By SoSmellyAir

I did not say that the power requirements would...

I did not say that the power requirements would be significantly larger (or smaller) than a Varia. And I understand that mm wave radar can detect speed and range via Doppler effect; after all, that...
Forum: Advocacy & Safety
05-15-24, 05:04 PM
Replies: 125
Views: 3,565
Posted By SoSmellyAir

Theoretically, the base technology can be used...

Theoretically, the base technology can be used outside. But since I cannot find any commercial embodiments, I am just not sure what range it can achieve at a reasonable power requirement.
Forum: General Cycling Discussion
05-15-24, 04:23 PM
Replies: 33
Views: 853
Posted By SoSmellyAir

To this list I would add Unior: Collections –...

To this list I would add Unior: Collections – Unior USA (https://uniorusa.com/collections), based on my experience with its Y tool (4, 5, and 6 mm hex), its cassette tools (for both QR and 12 mm thru...
Forum: General Cycling Discussion
05-15-24, 03:52 PM
Replies: 33
Views: 853
Posted By SoSmellyAir

By basic hand tools I assume you have Philips...

By basic hand tools I assume you have Philips screwdrivers of various sizes as well as hex keys from 2 mm through 8 mm? If so, that is a good start. You may also want to identify one or two typical...
Forum: Advocacy & Safety
05-15-24, 02:32 PM
Replies: 125
Views: 3,565
Posted By SoSmellyAir

Yes, I see that. I am more asking / wondering...

Yes, I see that. I am more asking / wondering about how Trek implements this feature and tests the implementation to determine / justify saying that it can detect the lateral position of an...
Forum: Road Cycling
05-15-24, 02:22 PM
Replies: 17
Views: 565
Posted By SoSmellyAir

No. Those are direct mount brake calipers, and my...

No. Those are direct mount brake calipers, and my rim brake frames only take the regular center mount calipers.
Forum: Advocacy & Safety
05-15-24, 01:50 PM
Replies: 125
Views: 3,565
Posted By SoSmellyAir

Yeah, which brings me back to my original...

Yeah, which brings me back to my original question: how does the Trek CarBack do it? It has an MSRP of $200, same as the Garmin Varia RTL-515 that many of us use.
Forum: Road Cycling
05-15-24, 01:45 PM
Replies: 17
Views: 565
Posted By SoSmellyAir

According to this blog, the only difference...

According to this blog, the only difference (other than finish and weight) is Ultegra has adjustable spring tension:

Hands On Bike: Difference between Ultegra 6800 and Shimano 105 5800 Brake...
Forum: Advocacy & Safety
05-15-24, 01:20 PM
Replies: 125
Views: 3,565
Posted By SoSmellyAir

Looking into this further, it seems that the...

Looking into this further, it seems that the ability to detect lateral position would require at least two emitters transmitting at different frequencies that are sufficiently far apart that they...
Forum: Advocacy & Safety
05-15-24, 11:03 AM
Replies: 125
Views: 3,565
Posted By SoSmellyAir

Does the Trek CarBack have an mm wave radar? I...

Does the Trek CarBack have an mm wave radar? I did not know that those are already on the market. The mm wave presence detectors seem to be designed for interior space?

How does an mm Wave radar /...
Forum: Road Cycling
05-15-24, 01:06 AM
Replies: 15
Views: 433
Posted By SoSmellyAir

Tires: Continental Ultra Sport III Tubes:...

Tires: Continental Ultra Sport III
Tubes: Michelin AirStop A1
Forum: Advocacy & Safety
05-14-24, 05:17 PM
Replies: 125
Views: 3,565
Posted By SoSmellyAir

I am still curious how the Trek CarBack...

I am still curious how the Trek CarBack accomplishes the lane or lateral position feature. One can imagine the consequences of getting this wrong.
Forum: Advocacy & Safety
05-14-24, 05:00 PM
Replies: 125
Views: 3,565
Posted By SoSmellyAir

I had heard that Trek has recently released a...

I had heard that Trek has recently released a rear-facing radar but this is the first time I have seen any details. The audio says that the radar can tell whether the car is your lane or has moved...
Forum: General Cycling Discussion
05-14-24, 04:12 PM
Replies: 23
Views: 837
Posted By SoSmellyAir

No photos or video, so hard to tell 100% for...

No photos or video, so hard to tell 100% for sure, but it sounds like a new chain and RD adjustment thereafter would solve the problem and get you a bargain.
Forum: Advocacy & Safety
05-14-24, 12:04 PM
Replies: 125
Views: 3,565
Posted By SoSmellyAir

The Varia detects and track vehicles based on...

The Varia detects and track vehicles based on closing speed. It cannot distinguish which lane an approaching vehicle is in; no rear facing bike radar in the market can. Implementing this additional...
Forum: Advocacy & Safety
05-13-24, 06:39 PM
Replies: 125
Views: 3,565
Posted By SoSmellyAir

Prior to getting the Varia, I wasted too much...

Prior to getting the Varia, I wasted too much time studying maps to plot routes to avoid left turns. :)
Forum: Bicycle Mechanics
05-13-24, 05:10 PM
Replies: 31
Views: 524
Posted By SoSmellyAir

Not a secret per se, but I imagine it helps to...

Not a secret per se, but I imagine it helps to use the rim tape width specified by the wheel manufacture so that no tape go up on the sidewall of the rim.
Forum: Advocacy & Safety
05-13-24, 05:06 PM
Replies: 125
Views: 3,565
Posted By SoSmellyAir

I definitely see your point about too many...

I definitely see your point about too many warnings being worse than no warning at all. While a Varia (or another rear-facing radar) cannot predict which (if any) approaching object will collide with...
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