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Search: Posts Made By: PromptCritical
Showing results 1 to 50 of 278
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Forum: Advocacy & Safety
05-15-24, 11:29 AM
Replies: 87
Views: 2,032
Posted By PromptCritical

The Trek CarBack operates at a much higher...

The Trek CarBack operates at a much higher frequency than the Varia, so it “should” be more accurate, but GP Lama reports it isn’t.

Answers to questions

1. Would require more than one emitter...
Forum: Bicycle Mechanics
05-15-24, 06:51 AM
Replies: 8
Views: 172
Posted By PromptCritical

Great - thanks!

Great - thanks!
Forum: Advocacy & Safety
05-15-24, 06:48 AM
Replies: 87
Views: 2,032
Posted By PromptCritical

Yep, that's when my '69 Alfa Romeo becomes my...

Yep, that's when my '69 Alfa Romeo becomes my daily driver. Pretty tough to monitor a car with no electronics.
Forum: Fifty Plus (50+)
05-14-24, 06:18 PM
Replies: 27,182
Views: 3,181,353
Posted By PromptCritical

We did 52 miles on the tandem today, down to and...

We did 52 miles on the tandem today, down to and around Mission Bay and lunch with friends in Pacific Beach and back home. My better half did great (her longest tandem ride yet)!
Forum: Advocacy & Safety
05-14-24, 06:15 PM
Replies: 87
Views: 2,032
Posted By PromptCritical

Avidyne

Avidyne
Forum: Advocacy & Safety
05-14-24, 05:38 PM
Replies: 87
Views: 2,032
Posted By PromptCritical

Great video - thanks! Sounds like the...

Great video - thanks!

Sounds like the CarBack is bit disappointing. I'll stick with the Varia for now.
Forum: Classic & Vintage
05-14-24, 05:06 PM
Replies: 47
Views: 1,193
Posted By PromptCritical

Hey now; I'm of the view that his 10 bikes are...

Hey now; I'm of the view that his 10 bikes are simply a good start. Don't ask.
Forum: Bicycle Mechanics
05-14-24, 05:01 PM
Replies: 8
Views: 172
Posted By PromptCritical

Sorry for the lack of specificity. Just trying to...

Sorry for the lack of specificity. Just trying to use Campy 9/10/11 speed cassette, hub and rear derailleur. This does not sound promising for buying older stuff from eBay or otherwise unless I can...
Forum: Advocacy & Safety
05-14-24, 04:34 PM
Replies: 87
Views: 2,032
Posted By PromptCritical

The advertising for the Trek Carback expicitly...

The advertising for the Trek Carback expicitly states it can discern which lane the car is in. See minute 1:58 in this video. https://www.trekbikes.com/us/en_US/carback/

Not that I believe much...
Forum: Advocacy & Safety
05-14-24, 11:05 AM
Replies: 87
Views: 2,032
Posted By PromptCritical

So, we just finished a 20 mile ride and the Varia...

So, we just finished a 20 mile ride and the Varia significantly improved my awareness. It let me know when a car was approaching so I could check my mirror.

It was also very helpful in seeing...
Forum: Bicycle Mechanics
05-14-24, 01:43 AM
Replies: 8
Views: 172
Posted By PromptCritical

Campy to Campy Compatibility

I’m building up an older steel custom frame and would like to use a Campy mechanical drivetrain.

Can anyone provide or point me to information on compatibility of freehub cassettes, hubs and...
Forum: Classic & Vintage
05-14-24, 01:35 AM
Replies: 35
Views: 3,445
Posted By PromptCritical

Gorgeous bike! What a great find.

Gorgeous bike! What a great find.
Forum: Bicycle Mechanics
05-14-24, 01:31 AM
Replies: 38
Views: 633
Posted By PromptCritical

Dry graphite lubes are also good for some of...

Dry graphite lubes are also good for some of those applications and they come in spray form as do some synthetic greases that Eric F suggests.
Forum: Classic & Vintage
05-14-24, 01:28 AM
Replies: 20
Views: 576
Posted By PromptCritical

Great technical information! I’m seriously...

Great technical information! I’m seriously thinking of taking a frame building class, so I love this detail.

How do titanium tubes compare to the best steel tubes? Are they significantly lighter?...
Forum: Bicycle Mechanics
05-14-24, 01:20 AM
Replies: 11
Views: 294
Posted By PromptCritical

Microshift makes Shimano HG compatible cassettes...

Microshift makes Shimano HG compatible cassettes with larger cogs (we have an 11-42T on our tandem). A Shimano Deore XT rear derailleur will handle that and is less than $100 (Ours was about $80 from...
Forum: Classic & Vintage
05-14-24, 01:03 AM
Replies: 47
Views: 1,193
Posted By PromptCritical

Pics please

Pics please
Forum: Classic & Vintage
05-14-24, 12:47 AM
Replies: 20
Views: 504
Posted By PromptCritical

Look at the underside of the bottom bracket. A...

Look at the underside of the bottom bracket. A real Colnago will have a cloverleaf cutout.
Forum: Clydesdales/Athenas (200+ lb / 91+ kg)
05-13-24, 05:57 PM
Replies: 107
Views: 12,752
Posted By PromptCritical

OMG -this is so true :mad: Horrifying if you look...

OMG -this is so true :mad: Horrifying if you look into it. Not only morbid obesity and diabetes, but I'd be willing to bet there is a link to many other health problems (e.g., who ever heard of...
Forum: Advocacy & Safety
05-13-24, 05:50 PM
Replies: 87
Views: 2,032
Posted By PromptCritical

Yes, I totally agree with that. There is one ride...

Yes, I totally agree with that. There is one ride that I do weekly, where that will be invaluable, and likely other similar situations.

I'll have to play with it to see what works best.
Forum: Bicycle Mechanics
05-13-24, 04:10 PM
Replies: 31
Views: 393
Posted By PromptCritical

A few folks have mentioned the rim tape...

A few folks have mentioned the rim tape installation is critical. What are the pitfalls and secrets to that?
Forum: Advocacy & Safety
05-13-24, 04:05 PM
Replies: 87
Views: 2,032
Posted By PromptCritical

So true. I was flying a Cirrus SR-22 when it had...

So true. I was flying a Cirrus SR-22 when it had an avionics failure, which normally isn't a big deal. There was no way to turn off the alarm, which was absolutely deafening, except to turn off all...
Forum: Bicycle Mechanics
05-13-24, 03:33 PM
Replies: 31
Views: 393
Posted By PromptCritical

Excellent - thanks. Amazon by tomorrow!

Excellent - thanks.

Amazon by tomorrow!
Forum: Bicycle Mechanics
05-13-24, 03:28 PM
Replies: 31
Views: 393
Posted By PromptCritical

Great analogy - thanks. I'll give...

Great analogy - thanks.



I'll give Orange Seal a try - thanks.



Orange Seal it is!
Forum: Bicycle Mechanics
05-13-24, 03:04 PM
Replies: 31
Views: 393
Posted By PromptCritical

Murphy is my cousin..........:lol:

Murphy is my cousin..........:lol:
Forum: Bicycle Mechanics
05-13-24, 03:03 PM
Replies: 31
Views: 393
Posted By PromptCritical

I really appreciate everyone's suggestions! ...

I really appreciate everyone's suggestions!

Fundamental question. Since the leak is slow, and I can't find any trace of it, why isn't the sealant working? I thought it worked on small leaks. What...
Forum: Bicycle Mechanics
05-13-24, 02:43 PM
Replies: 31
Views: 393
Posted By PromptCritical

What sort of dye? I'm not familiar with...

What sort of dye? I'm not familiar with automotive dye, only machinist's blue.
Forum: Bicycle Mechanics
05-13-24, 02:41 PM
Replies: 31
Views: 393
Posted By PromptCritical

Ahh, a syringe is a good idea. I shook the tire...

Ahh, a syringe is a good idea. I shook the tire up quite a bit and the spun it on the bike forks and moved the bars from side to side while the wheel was spinning. Alas, due to a lot of fun in my...
Forum: Bicycle Mechanics
05-13-24, 02:30 PM
Replies: 31
Views: 393
Posted By PromptCritical

Last time I used the kitchen for mechanical stuff...

Last time I used the kitchen for mechanical stuff I killed the dishwasher (I thought the parts were pretty clean). I got away with it, but once was enough.
Forum: Bicycle Mechanics
05-13-24, 02:22 PM
Replies: 31
Views: 393
Posted By PromptCritical

Yeah, this (mis) adventure into tubless may be...

Yeah, this (mis) adventure into tubless may be short-lived. OTOH, I've had two unexplained blowouts in the last couple weeks. One in the garage @ 2:00 am. It was so loud I was worried the neighbors...
Forum: Bicycle Mechanics
05-13-24, 02:19 PM
Replies: 31
Views: 393
Posted By PromptCritical

I hung up the wheel with the valve @ 8:00 to add...

I hung up the wheel with the valve @ 8:00 to add the sealant, and then spun the tire in the bike fork for about 90 seconds. Left the tire with the valve @ 9:00 overnight. No telltale signs of...
Forum: Bicycle Mechanics
05-13-24, 02:01 PM
Replies: 14
Views: 305
Posted By PromptCritical

If you have a good hardware store in town...

If you have a good hardware store in town (increasingly rare) try them.

OTOH, since even my local industrial hardware store is somewhat limited (although I LOVE browsing there) I use McMaster-Carr...
Forum: Bicycle Mechanics
05-13-24, 01:47 PM
Replies: 31
Views: 393
Posted By PromptCritical

Tubeless Noob Question

I'm trying my first tubeless setup and I guess I shouldn't be surprised that stuff is messy (use gloves next time genius).

So, the first time (w/o sealant) a soap test showed I had leaks around...
Forum: Bicycle Mechanics
05-13-24, 10:54 AM
Replies: 43
Views: 818
Posted By PromptCritical

Thanks! I wasn't aware of those. I'll give them a...

Thanks! I wasn't aware of those. I'll give them a try. And they make 2x10 as well. Fantastic!
Forum: Bicycle Mechanics
05-13-24, 02:17 AM
Replies: 13
Views: 296
Posted By PromptCritical

Don't get all b-hurt. I was just pointing out...

Don't get all b-hurt. I was just pointing out that 40x11 isn't that big of gear, which also had no connection to what the OP asked either.
Forum: Tandem Cycling
05-13-24, 02:12 AM
Replies: 1,515
Views: 674,002
Posted By PromptCritical

A Colnago tandem! Tell me more!

A Colnago tandem! Tell me more!
Forum: Bicycle Mechanics
05-13-24, 02:07 AM
Replies: 13
Views: 296
Posted By PromptCritical

Well, that wasn't the OP's question, but that...

Well, that wasn't the OP's question, but that isn't really that big of a gear (smaller than the 52x13 back in the day). I can easily spin out a 42x11, and I'm not a spring chicken.
Forum: Bicycle Mechanics
05-13-24, 02:00 AM
Replies: 5
Views: 145
Posted By PromptCritical

How are the chain and cassette doing (assuming...

How are the chain and cassette doing (assuming this is a rear shifting issue). If the components are 2017 Shimano components, you should be able to find the Shimano compatibility chart.
Forum: Road Cycling
05-13-24, 01:49 AM
Replies: 2,356
Views: 362,663
Posted By PromptCritical

Beautiful. Nice (as original) crankset!

Beautiful. Nice (as original) crankset!
Forum: Fifty Plus (50+)
05-13-24, 01:22 AM
Replies: 66
Views: 4,965
Posted By PromptCritical

When I met my current girlfriend, riding on the...

When I met my current girlfriend, riding on the back of a sport touring bike was a "must have". So, on our first ride, we are an a curvy country road and she's trying to tell me something. After a...
Forum: Fifty Plus (50+)
05-13-24, 01:16 AM
Replies: 66
Views: 4,965
Posted By PromptCritical

That is an awesome story! Good for both of you!

That is an awesome story! Good for both of you!
Forum: Fifty Plus (50+)
05-13-24, 01:13 AM
Replies: 21
Views: 967
Posted By PromptCritical

I've been riding with a pair of bifocals from...

I've been riding with a pair of bifocals from Amazon, and they work great! https://www.amazon.com/gp/product/B07CGT8TZ7/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Forum: Pills and Ills
05-13-24, 01:12 AM
Replies: 3
Views: 141
Posted By PromptCritical

PTs are great, and you likely saw an MD to get a...

PTs are great, and you likely saw an MD to get a referral, but did you see an orthopedic surgeon that specializes in knees? I have knee problems (shredded cartilage in left knee and arthritis) and...
Forum: Bicycle Mechanics
05-13-24, 01:05 AM
Replies: 43
Views: 818
Posted By PromptCritical

I asked a simple question about friction brifters...

I asked a simple question about friction brifters for a reason. It is what I want to use for a couple of reasons that I didn't feel like writing a soliloquy about. Why? Because I expect to change the...
Forum: Bicycle Mechanics
05-12-24, 12:28 PM
Replies: 43
Views: 818
Posted By PromptCritical

Well, I took the clamp of a broken Ultegra...

Well, I took the clamp of a broken Ultegra Flightdeck shifter and it fits. Alas, I only have one.

Guess I’ll “borrow” one from a good pair. Pinky swear I’ll replace it 🤪
Forum: Bicycle Mechanics
05-12-24, 10:18 AM
Replies: 43
Views: 818
Posted By PromptCritical

Another challenge!! Where does one find...

Another challenge!!

Where does one find lever clamps in different sizes? All I can find are 22.2mm clamps. The usual suspects Universal Cycles, Problem Solvers, etc..... don't have much that are...
Forum: Bicycle Mechanics
05-12-24, 10:17 AM
Replies: 43
Views: 818
Posted By PromptCritical

It's a custom frame. Lineage unknown, and I don't...

It's a custom frame. Lineage unknown, and I don't know enough about dropouts to identify the dropouts visually.
Forum: Bicycle Mechanics
05-12-24, 10:16 AM
Replies: 43
Views: 818
Posted By PromptCritical

Here are pictures of the dropout. ...

Here are pictures of the dropout.
https://cimg8.ibsrv.net/gimg/bikeforums.net-vbulletin/640x480/img_1335_01efc521e2514786b4c4aa0cf742a508d6b7fa5d.jpg
Not a great picture, but one can see the...
Forum: Bicycle Mechanics
05-12-24, 09:51 AM
Replies: 43
Views: 818
Posted By PromptCritical

It won't help on this bike, but those will be...

It won't help on this bike, but those will be great on my two flat bar bikes, so I order a set - thanks!
Forum: Bicycle Mechanics
05-12-24, 09:49 AM
Replies: 43
Views: 818
Posted By PromptCritical

I bought the ones without shifter levers. I'll...

I bought the ones without shifter levers. I'll use some old school Campy downtube levers.
Forum: Bicycle Mechanics
05-12-24, 09:48 AM
Replies: 43
Views: 818
Posted By PromptCritical

Oh. Duh, of course. :thumb:

Oh. Duh, of course. :thumb:
Showing results 1 to 50 of 278
 
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