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Search: Posts Made By: jayp410
Showing results 1 to 50 of 366
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07-28-22, 11:07 PM
Replies: 25
Views: 1,107
Posted By jayp410

For the LB rims, ordered some 700 x 35c...

For the LB rims, ordered some 700 x 35c GravelKing Slick Plus as road tires.. will see how those do.

For now though, got the new 650b wheels (Hunt Adventure Carbon) w/ 2.1" tires mounted. These...
07-28-22, 09:32 PM
Replies: 32
Views: 1,985
Posted By jayp410

Just bought a 650b wheelset and put 2.1" (54 mm)...

Just bought a 650b wheelset and put 2.1" (54 mm) tires on it to maximize the off-road capability and comfort of my bike. The places I ride gravel are hills with relatively steep grades, and my goals...
07-28-22, 08:39 PM
Replies: 1,047
Views: 268,647
Posted By jayp410

Hunt Adventure Carbon 650b wheelset w/ 2.1"...

Hunt Adventure Carbon 650b wheelset w/ 2.1" GravelKings. These will be the largest tires I've ridden by far. This is an XL-size frame, so the picture doesn't do it justice as far as how large the...
07-25-22, 04:28 PM
Replies: 25
Views: 1,107
Posted By jayp410

These look interesting. I'll definitely keep...

These look interesting. I'll definitely keep these in mind. I too was thinking about putting something, like a piece of electrical tape, between the hook and the tire.




This is possible, that...
07-19-22, 10:46 PM
Replies: 25
Views: 1,107
Posted By jayp410

So I unmounted the tire and cleaned up the...

So I unmounted the tire and cleaned up the sealant. It's interesting that the cut (position marked with the blue painter's tape) is close to what appears to be a seam. There are 4 such seams at...
07-19-22, 12:12 AM
Replies: 25
Views: 1,107
Posted By jayp410

Yeah, I'm hesitant to sand the rims. That's why...

Yeah, I'm hesitant to sand the rims. That's why I'm posting here first.

I would trust BF member opinions more than manufacturer advice in general, as the manufacturer has a conflict of...
07-18-22, 02:10 PM
Replies: 25
Views: 1,107
Posted By jayp410

Same make and model, but different variant. Not...

Same make and model, but different variant. Not from the same batch. Both Maxxis Ramblers, but the first was Silk Shield and the second was Exo. I chose the Exo for the second tire because it was...
07-17-22, 07:17 PM
Replies: 25
Views: 1,107
Posted By jayp410

Carbon rims cutting tires

So last year I ordered some Light Bicycle WR38 rims, which I've been using this year. The rear rim has cut two Maxxis Rambler tires adjacent to the bead. After the first time it happend, I was...
07-06-22, 11:07 PM
Replies: 6
Views: 718
Posted By jayp410

I love my Shimano Pro PLT Ergo Carbon bars. ...

I love my Shimano Pro PLT Ergo Carbon bars. They have a nice flat platform on top for resting the hands.

https://road.cc/content/review/pro-plt-ergo-carbon-handlebar-283059
07-06-22, 10:44 PM
Replies: 11
Views: 767
Posted By jayp410

I had lumbar issues when road biking that made me...

I had lumbar issues when road biking that made me quit cycling for a while. At the worst of it, I couldn't sit down 5 minutes on the couch to eat dinner, and riding in the car was total agony. It...
Forum: Road Cycling
10-11-21, 06:57 PM
Replies: 20
Views: 1,352
Posted By jayp410

So in terms of friction, there is static...

So in terms of friction, there is static friction, and non-static friction. Static friction exerts a force but the tire sticks and doesn't slide, and therefore it does no work and causes no energy...
Forum: Road Cycling
10-11-21, 05:52 PM
Replies: 20
Views: 1,352
Posted By jayp410

Although there is loss due to tire friction...

Although there is loss due to tire friction (scrubbing speed), that is a secondary thing that we are not talking about at this level. Consider a 100% lossless system, where you have a wheel on a...
Forum: Road Cycling
10-10-21, 10:41 PM
Replies: 19
Views: 1,349
Posted By jayp410

One thing that could help with strength (if you...

One thing that could help with strength (if you don't mind the appearance) is to layer over the wood with thin fiberglass / epoxy in places. They use fiberglass over things like canoe paddles and...
Forum: Road Cycling
10-10-21, 10:13 PM
Replies: 20
Views: 1,352
Posted By jayp410

Will give it a shot. When leaning before turning...

Will give it a shot. When leaning before turning the bars, you are starting to fall and would crash unless you turned the bars. Turning the bars initiates the turn which causes a frictional force...
Forum: Road Cycling
10-02-21, 09:43 PM
Replies: 19
Views: 1,349
Posted By jayp410

I've worked with wood enough as a tinkerer (I'm...

I've worked with wood enough as a tinkerer (I'm not quite an amateur woodworker, but have made quite a few odds and ends out of wood). I'm not convinced that this concept will work, as the biggest...
09-20-21, 10:11 AM
Replies: 25
Views: 1,204
Posted By jayp410

Yikes! For a barely bent chain (where a link is...

Yikes! For a barely bent chain (where a link is tight) that doesn't sound too bad, but one like mine where a link was bent almost 30 degrees, bending it back would never get it back into its exact...
09-20-21, 09:59 AM
Replies: 25
Views: 1,204
Posted By jayp410

Yeah, the situation in this case could be...

Yeah, the situation in this case could be operator error. The whole sequence of events was unusual. I was going downhill, but passed by something that looked interesting that I wanted to check...
09-20-21, 07:42 AM
Replies: 25
Views: 1,204
Posted By jayp410

Momentarily perhaps. However once I realized that...

Momentarily perhaps. However once I realized that it wasn't just a messed up shift, I stopped pedaling and didn't try to continue pedaling to fix it by shifting up.



Thanks. This one weighs...
09-19-21, 06:21 PM
Replies: 25
Views: 1,204
Posted By jayp410

Interesting idea. A few links would not be heavy...

Interesting idea. A few links would not be heavy like a full chain, although the tool itself weighs something. This is one of those things like carrying a spare shifter cable, that could come in...
09-19-21, 03:43 PM
Replies: 107
Views: 12,375
Posted By jayp410

Related to the thread I just started on the bent...

Related to the thread I just started on the bent chain, I bought a carbon bike, but am regretting it a little due to how it can be damaged by dropping a chain. I was willing to accept the risk of...
09-19-21, 03:16 PM
Replies: 25
Views: 1,204
Posted By jayp410

Bent chain... Call of shame

So I dropped the chain off of the crank inner ring, and it got wedged between the crank and the bottom bracket. The chain bent probably 30 degrees, making it unrideable. Fortunately, I didn't try to...
09-14-21, 08:50 PM
Replies: 91
Views: 3,582
Posted By jayp410

As someone with a Physics degree + some grad...

As someone with a Physics degree + some grad school, and one class short of a coincidental Math degree, 3.7 GPA... I agree with PeteHski. This is very simple stuff, yet there are misconceptions.
...
09-12-21, 10:10 AM
Replies: 91
Views: 3,582
Posted By jayp410

Heavier rims/tires mean more inertia and it does...

Heavier rims/tires mean more inertia and it does require more force/torque to accelerate them, but that energy is not lost - it's stored in the wheel and assists the rider in between strokes.
...
09-07-21, 11:21 PM
Replies: 24
Views: 1,025
Posted By jayp410

Another good cycling-specific book is Tom...

Another good cycling-specific book is Tom Danielson's "Core Advantage": https://www.amazon.com/Tom-Danielsons-Core-Advantage-Strength/dp/193403097X

Part of the book is devoted to the biomechanical...
09-01-21, 01:30 PM
Replies: 88
Views: 4,634
Posted By jayp410

It would be well worth your while to find a good...

It would be well worth your while to find a good professional bike fitter (and preferably someone independent who isn't also selling bikes/parts). Things such as front-back saddle position and...
09-01-21, 11:39 AM
Replies: 88
Views: 4,634
Posted By jayp410

I haven't gone from 25 to 28mm, but as the owner...

I haven't gone from 25 to 28mm, but as the owner of a Redshift Shockstop stem, I would say that the difference it makes (for vibrations) is much more than my experience of going from 23 vs. 25mm...
Forum: Road Cycling
08-13-21, 03:23 PM
Replies: 16
Views: 699
Posted By jayp410

A few years back I got pain that manifested as...

A few years back I got pain that manifested as hip pain, especially while riding, but which turned out to be a pinched nerve from a bulging lumbar disc. At the worst point, it was agonizing to ride...
08-02-21, 02:50 PM
Replies: 95
Views: 4,165
Posted By jayp410

If the BB shell was originally installed by the...

If the BB shell was originally installed by the factory, it seems hard to believe that the factory would not have applied anti-seize on it to prevent galvanic corrosion. It's a very predictable...
08-02-21, 11:22 AM
Replies: 56
Views: 27,090
Posted By jayp410

It does look aggressive but I'm riding about 90%...

It does look aggressive but I'm riding about 90% of the time with my hands resting on the bar tops or hoods, and have a fairly long torso / monkey arms.

Most of the gravel rides I'm doing are...
08-02-21, 07:52 AM
Replies: 66
Views: 3,849
Posted By jayp410

Let's talk perspective. Consider the...

Let's talk perspective.

Consider the environmental impact of having a kid. All the clothes, appliances, electronics, vehicles, housing, and food they will consume, and the fuel and waste products...
08-01-21, 10:10 PM
Replies: 66
Views: 3,849
Posted By jayp410

OK, so you wrapped the whole BB and chainstay...

OK, so you wrapped the whole BB and chainstay joint to create a shell. Were the chainstays still connected enough to provide the tensile strength? If the chainstays were actually broken/severed,...
08-01-21, 09:22 PM
Replies: 66
Views: 3,849
Posted By jayp410

The actual carbon fabric will not harm the...

The actual carbon fabric will not harm the environment at all - it's carbon, like a piece of charcoal, except with different bonds between the carbon atoms, and in a different shape. The...
08-01-21, 05:54 PM
Replies: 66
Views: 3,849
Posted By jayp410

To answer the question about recycling, nothing...

To answer the question about recycling, nothing can be done with it from a recycling standpoint.

Also, I wouldn't trust a repaired carbon fiber bike, as someone who has fabricated some parts,...
08-01-21, 05:43 PM
Replies: 66
Views: 3,849
Posted By jayp410

Carbon fiber fabric itself is probably inert and...

Carbon fiber fabric itself is probably inert and non-toxic. The epoxy hardener (especially) and resin are toxic in their liquid forms, but once cured, it forms a polymer which is either non-toxic or...
08-01-21, 04:42 PM
Replies: 8
Views: 529
Posted By jayp410

If the problem has already been fixed, then to...

If the problem has already been fixed, then to the OP's question, the differences between 105 and Ultegra are weight and smoothness, but successive generations have been getting better, so a later...
08-01-21, 03:58 PM
Replies: 56
Views: 27,090
Posted By jayp410

I am also 6'3" with 34" inseam. As there are not...

I am also 6'3" with 34" inseam. As there are not many people of our size, you might find this interesting. My bike is 59cm, middle of bottom bracket to top of saddle (along seat tube centerline) is...
07-30-21, 02:46 PM
Replies: 54
Views: 15,503
Posted By jayp410

Got my GRX groupset from an Ebay seller in...

Got my GRX groupset from an Ebay seller in Taiwan. I believe it's real, as the fit and finish on something like that would be extremely difficult to replicate. I assume that they have real...
07-28-21, 09:13 PM
Replies: 69
Views: 4,303
Posted By jayp410

I have 2 roundabouts between my house and the...

I have 2 roundabouts between my house and the highway. First thing to understand is to NEVER expect drivers to act logically or ethically in the roundabout. When driving, I NEVER allow myself to...
07-28-21, 07:54 AM
Replies: 80
Views: 4,898
Posted By jayp410

I recently built a bike that costs more than the...

I recently built a bike that costs more than the Blue Book value of my 2008 Honda Accord (which still runs perfectly), and have asked myself the same question... even though to a certain extent I...
07-26-21, 10:08 PM
Replies: 17
Views: 3,944
Posted By jayp410

I just ordered the same wheelset, except with the...

I just ordered the same wheelset, except with the Carbon Ti hubs. For turnaround time, they're saying 12-14 weeks so sometime around the end of October. I'm hoping the hubs and 24 spoke count...
07-25-21, 11:10 PM
Replies: 38
Views: 1,744
Posted By jayp410

Excellent choice... they are really good tires.

Excellent choice... they are really good tires.
07-25-21, 10:16 PM
Replies: 54
Views: 3,465
Posted By jayp410

From comment #39, it sounds like it depends...

From comment #39, it sounds like it depends somewhat on what shifters people use. In my case, it's the Dura Ace 7800 shifters, and I've had two break with those shifters. It seems plausible that...
07-25-21, 03:44 PM
Replies: 78
Views: 5,103
Posted By jayp410

Just got a Yakima High Road rooftop rack for my...

Just got a Yakima High Road rooftop rack for my Accord (I know, not a sports car). If you have cross bars on top, it's pretty nice. I like that it grabs the bike only by the front wheel, plus a strap...
07-23-21, 10:06 PM
Replies: 56
Views: 3,081
Posted By jayp410

I agree with all of that. It never beeps on...

I agree with all of that. It never beeps on stationary objects like signs, bridges, trees. It also never beeps for oncoming cars that have passed and are now behind and moving away. If I pull off the...
07-23-21, 12:48 PM
Replies: 56
Views: 3,081
Posted By jayp410

Ditto all of that. That's why I love the Varia...

Ditto all of that. That's why I love the Varia also - it allows me to use the whole lane and pick my line. Previously, I almost always rode in the outer 3 ft of the road, not knowing whether a car...
07-22-21, 11:32 PM
Replies: 30
Views: 1,343
Posted By jayp410

Another vote for Halo bandannas. The silicone...

Another vote for Halo bandannas. The silicone strip keeps 90% of the sweat out. The only sweat that is still an issue is the stuff that forms within the eyebrow area or just above.
07-22-21, 11:25 PM
Replies: 56
Views: 3,081
Posted By jayp410

I seek out rural roads as much as possible, to...

I seek out rural roads as much as possible, to minimize the risk... like maybe 3 cars or less per mile. Also have a hypothesis that if a road is curvy, drivers won't be able to text and drive as...
07-22-21, 10:49 PM
Replies: 54
Views: 3,465
Posted By jayp410

Depends on the grade. 304 stainless is attracted...

Depends on the grade. 304 stainless is attracted to magnets, while 316 is not. Shimano cables are attracted to magnets.

[EDIT] From a web search, apparently 304 is non-magnetic as well as 316. ...
07-22-21, 01:23 PM
Replies: 54
Views: 3,465
Posted By jayp410

I did use a magnet when building the bike, and...

I did use a magnet when building the bike, and while it was diffcult due to my chainstays, I got it routed and the magnet was helpful. However, now with the BB and fork installed, it would be...
07-22-21, 12:55 PM
Replies: 54
Views: 3,465
Posted By jayp410

I've had two of them break, probably 3000 - 5000...

I've had two of them break, probably 3000 - 5000 miles between them. I don't ride in the rain, and my bike is in good condition.

The problem (both times) has been metal fatigue inside the DA...
Showing results 1 to 50 of 366
 


 
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