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Search: Posts Made By: ljsense
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Forum: Road Cycling
09-22-20, 03:30 PM
Replies: 54
Views: 1,079
Posted By ljsense

What if sealant technology continues to improve....

What if sealant technology continues to improve. Let's say in a few years, there is a lovely sealant that stays wet until needed, and a few teaspoons will do it. Basically what we have now, just...
09-06-20, 06:34 PM
Replies: 6
Views: 220
Posted By ljsense

Thanks for all the advice -- I'll give it a go,...

Thanks for all the advice -- I'll give it a go, since it's what I've got on hand. If it results even in the tubes holding air longer before fill ups, that'll be good enough. Next time, I'll get...
09-04-20, 09:59 AM
Replies: 6
Views: 220
Posted By ljsense

Any experience with using Vittoria Pit Stop on tubulars?

I am wondering about spraying some Vittoria Pit Stop inside a set of Dugast mountain bike tubular tires as a preemptive measure against flats.

On part of their web site, Vittoria says don't use...
09-03-20, 11:25 AM
Replies: 11
Views: 261
Posted By ljsense

Good question: got me wondering about doing that...

Good question: got me wondering about doing that for a 9-speed mountain bike too.

Here's one approach I came across (not mine, have no idea if it works, but it got a lot of support):

I’ve...
Forum: Road Cycling
09-01-20, 11:10 AM
Replies: 7
Views: 325
Posted By ljsense

Why not just ride in the small chain ring? That...

Why not just ride in the small chain ring? That would put you in the middle of your cassette. It would cost no money and involve zero work. It's what it's there for. Go ahead and use it.

When...
Forum: Road Cycling
09-01-20, 11:01 AM
Replies: 31
Views: 1,439
Posted By ljsense

Maybe someone with fitting experience or...

Maybe someone with fitting experience or knowledge of pro riders will chime in.

My observation is that about 75 percent of the pro field ride with a saddle height that is noticably lower than the...
Forum: Road Cycling
09-01-20, 09:35 AM
Replies: 31
Views: 1,439
Posted By ljsense

Right. I guess what I'm wondering is, if there is...

Right. I guess what I'm wondering is, if there is a bias for amateurs to have their saddles higher than pros. Amateurs like me may have adopted their saddle height over the years to protect a knee....
Forum: Road Cycling
09-01-20, 07:12 AM
Replies: 31
Views: 1,439
Posted By ljsense

Do Tour pros tend to ride lower saddle heights?

With the Tour on TV again, my annual question is surfacing again, and this time thought I'd ask others: do the pro riders tend to have their saddles a touch lower than normal?

When I watch them,...
08-31-20, 09:04 AM
Replies: 8
Views: 201
Posted By ljsense

In general, there's usually enough forgiveness to...

In general, there's usually enough forgiveness to run a crankset that is one generation off and still have the drivetrain work well enough.

For example, using a 9-speed crank with a 10-speed...
08-28-20, 11:00 AM
Replies: 6
Views: 253
Posted By ljsense

Hey, fellow Powercranks rider -- If you're...

Hey, fellow Powercranks rider --

If you're going to give the leveraging it another shot with the existing slots, the thing that fits well is the outside curve of a Park cone wrench. It's all...
08-28-20, 09:14 AM
Replies: 10
Views: 323
Posted By ljsense

It will make it shinier. Fingerprints and other...

It will make it shinier. Fingerprints and other stuff will wipe off easier. It's not necessary. It won't do any harm. Congratulations on the new bike!
08-28-20, 09:10 AM
Replies: 26
Views: 699
Posted By ljsense

I bought a Hylix carbon fork from Asia on eBay...

I bought a Hylix carbon fork from Asia on eBay for about $90 when I was having trouble finding something for a 1" road frame.

The fork seemed well made. It was light and strong, with carbon...
08-26-20, 09:57 AM
Replies: 27
Views: 670
Posted By ljsense

An awful lot of people sit on their shaped carbon...

An awful lot of people sit on their shaped carbon top tubes, sometimes even as they are descending a mountain road. They hold up to that.

I agree that it's best not to clamp frame tubes. That...
08-25-20, 02:15 PM
Replies: 9
Views: 477
Posted By ljsense

I think this is how A.I. starts to reveal itself....

I think this is how A.I. starts to reveal itself. Some computer somewhere is like, hey, I think I can start a conversation on a forum. Like a toddler walking the first steps.

Watch how quickly it...
08-25-20, 02:10 PM
Replies: 27
Views: 670
Posted By ljsense

I have a Feedback repair stand, and my guess is...

I have a Feedback repair stand, and my guess is that the clamping mechanism made the noise, not your frame.

Does it have a ratcheting slide, and then you turn the handle to tighten it up? If...
08-19-20, 09:09 AM
Replies: 7
Views: 243
Posted By ljsense

It would surprise me if it were the headset. I've...

It would surprise me if it were the headset. I've had them on several bikes and have never experienced any noise.

I'd check the brake lever clamps, maybe, if you think it's coming from the...
08-17-20, 11:30 AM
Replies: 20
Views: 521
Posted By ljsense

Looks like it's got some tire clearance. ...

Looks like it's got some tire clearance.

I'd try acetone to take the decals off. If that doesn't do it, you buffing them off with a polishing compound and a cloth wheel. Or if they are even more...
08-17-20, 08:36 AM
Replies: 0
Views: 148
Posted By ljsense

Klein Attitude rebuild notes -- cable threading M8000 brake installation

Here are some quick notes about issues I had building up two older (2004-2006 ish) Klein mountain bike frames for two of my kids' NICA race season,

I did some searching on this forum and around...
08-06-20, 10:59 AM
Replies: 22
Views: 735
Posted By ljsense

You just need the right tool to install a rivnut...

You just need the right tool to install a rivnut -- it's very similar to installing any rivet. You put it into the right sized hole, squeeze the handles of the tool, and release. If it expanded...
07-20-20, 02:44 PM
Replies: 14
Views: 427
Posted By ljsense

One more thought, since I haven't seen it...

One more thought, since I haven't seen it offered, is just to sell them as is, with the damage clearly labeled and pictured.

Then if the spokes or nipples or a busted carbon hoop are worth...
07-20-20, 01:12 PM
Replies: 21
Views: 627
Posted By ljsense

This is a giant cliff hanger. I can't wait to...

This is a giant cliff hanger. I can't wait to hear how it turns out.
07-20-20, 10:10 AM
Replies: 18
Views: 705
Posted By ljsense

You can use a SRAM 10-speed left shifter with...

You can use a SRAM 10-speed left shifter with Shimano 10-speed era front derailleurs. It was a pretty common thing to do when people were unhappy with the performance of SRAM front derailleurs, the...
07-20-20, 06:01 AM
Replies: 72
Views: 2,113
Posted By ljsense

Rowing, I would say, is a great background for...

Rowing, I would say, is a great background for making power and moving blood through your body, but not so awesome for developing instincts when you're flying over the handlebars.

If you happened...
07-19-20, 11:26 AM
Replies: 21
Views: 627
Posted By ljsense

A 50-mile ride over gravel would probably do it....

A 50-mile ride over gravel would probably do it. Or you could just try any solvent you have around -- vinegar, WD-40, acetone, goof-off, etc.
07-17-20, 06:30 PM
Replies: 23
Views: 699
Posted By ljsense

You have no worry whatsoever. That can go up and...

You have no worry whatsoever. That can go up and down for the next 5 years every day, and you'll get where you need to go, and you're a good brother and a good sister for sharing a bike. If anything...
07-17-20, 01:47 PM
Replies: 35
Views: 1,160
Posted By ljsense

Instead of glue, you might try a shim, if you're...

Instead of glue, you might try a shim, if you're looking for a quick and dirty solution, and you really have that loose of a gap. I'd try a soda or beer can. Cut a big section, wrap it around the...
07-17-20, 01:15 PM
Replies: 3
Views: 282
Posted By ljsense

Rest easy, those are not cracks. Those are slight...

Rest easy, those are not cracks. Those are slight wrinkles in the layup of the carbon. It looks like the flat sheet of carbon pinched a little where the radius decreased when they were putting them...
07-16-20, 12:16 PM
Replies: 4
Views: 439
Posted By ljsense

Thanks for the responses. I was contemplating...

Thanks for the responses. I was contemplating grease or carbon assembly paste, but I wondered if anyone had tried something else. A thin layer of tubular glue or barge cement came to mind, as did...
07-15-20, 12:14 PM
Replies: 111
Views: 6,258
Posted By ljsense

I can't take this thread anymore. This case...

I can't take this thread anymore.

This case comes down to a well-educated attorney who experienced frustration after buying a pair of bicycles and decided to make spurious accusations against the...
07-15-20, 09:25 AM
Replies: 9
Views: 335
Posted By ljsense

That is my experience as well. My son raced NICA...

That is my experience as well. My son raced NICA last year and I'd swap wheels on his bike between 6-bolt and centerlock, and the rotors were in the same place.
07-14-20, 10:28 AM
Replies: 9
Views: 335
Posted By ljsense

wgscott is right -- the design specs would put...

wgscott is right -- the design specs would put the rotor in the same place, whether it's 6-bolt or centerlock. If one rotor has worn thinner or is off in some way, you'd just adjust the caliper a...
07-14-20, 09:05 AM
Replies: 4
Views: 439
Posted By ljsense

Clicking/creaking carbon saddle rails -- best solution?

I've got a saddle with oval carbon rails clamped into a Thomson seatpost. It clicks when my weight shifts on it.

The rails are in good shape, no cracks or damage. There's just enough micro...
07-13-20, 07:09 AM
Replies: 27
Views: 912
Posted By ljsense

It depends on what kind of bike you have and...

It depends on what kind of bike you have and where you live.

The fancier the bike, and the less populated the area, the more I'd recommend eBay instead of craigslist or some other local listing. ...
07-11-20, 11:50 AM
Replies: 111
Views: 6,258
Posted By ljsense

What bikes did you buy and what do you want to...

What bikes did you buy and what do you want to know about them?
Forum: Road Cycling
07-10-20, 07:29 PM
Replies: 85
Views: 5,391
Posted By ljsense

I agree that a shop would make a lot more money...

I agree that a shop would make a lot more money doing all the upgrades in the service department. I don't follow all of where this came from or where this thread went, but if the OP is going to have...
07-10-20, 06:42 PM
Replies: 177
Views: 6,955
Posted By ljsense

Why you'd want 'em: 1. you swap between 650b...

Why you'd want 'em:
1. you swap between 650b and 700c wheels
2. You ride in wet weather
3. You ride in dusty, muddy or otherwise gritty conditions with carbon rims
4. You do long mountain...
07-10-20, 11:14 AM
Replies: 111
Views: 6,258
Posted By ljsense

https://youtu.be/lZPOJp5vy64 ...

https://youtu.be/lZPOJp5vy64

https://youtu.be/RJ8C7vb0ECM

https://youtu.be/PR6e065lFn0
07-10-20, 10:44 AM
Replies: 25
Views: 1,318
Posted By ljsense

I can't believe how much bad advice you're...

I can't believe how much bad advice you're getting.

There is nothing wrong with the bike. If you look at carbon layups with clear coats, you can see something like this on pretty much every piece...
07-10-20, 10:32 AM
Replies: 111
Views: 6,258
Posted By ljsense

Sure, here you are. And the link again to many...

Sure, here you are. And the link again to many more (https://www.trekbikes.com/us/en_US/manuals/).
...
07-10-20, 10:12 AM
Replies: 111
Views: 6,258
Posted By ljsense

This is just a giant troll. The guy claims Trek...

This is just a giant troll. The guy claims Trek doesn't offer manuals; in fact, they do, rather extensively. He says they don't have a YouTube channel; they do, with tons of content.

They publish...
07-09-20, 09:55 AM
Replies: 111
Views: 6,258
Posted By ljsense

It says that nowhere. I just looked. Here...

It says that nowhere. I just looked.

Here is what the intro to the manual actually says:

OUR BEST ADVICE FROM 40+ YEARS OF HAVING FUN ON BIKES

Make damn sure your front wheel is on right...
07-08-20, 02:02 PM
Replies: 73
Views: 3,678
Posted By ljsense

Sounds like a great bike. I've quit facebook, but...

Sounds like a great bike. I've quit facebook, but when I had it, I liked to look at the frames Dave Kirk posted. He does great work.

I think I would get a Black Sheep 36" wheeled mountain bike in...
07-08-20, 09:48 AM
Replies: 111
Views: 6,258
Posted By ljsense

It doesn't seem unreasonable. But I'd be curious...

It doesn't seem unreasonable. But I'd be curious to see an example of this, if it exists.

Trek released a very detailed and helpful model-specific manual for the Madone 9 when it came out (in...
07-08-20, 07:26 AM
Replies: 66
Views: 4,751
Posted By ljsense

I'd just keep at it. It takes a while for the...

I'd just keep at it. It takes a while for the body to adapt to cycling and gain the specific strength you need to be efficient.

It can be a little confusing if you see people who look less fit...
07-08-20, 06:43 AM
Replies: 12
Views: 296
Posted By ljsense

If all the bolts or the centerlock ring holding...

If all the bolts or the centerlock ring holding the rotor to the hub are tight, and they'd better be, it is warped or bent. If it weren't, it would spin true and round.

It's pretty common....
Forum: Road Cycling
07-08-20, 06:23 AM
Replies: 85
Views: 5,391
Posted By ljsense

Frame is great, wheels are great, and Ultegra...

Frame is great, wheels are great, and Ultegra 9-speed is a solid group; all that stuff will last a long time and serve you well. I'd keep all that.

The fork looks like a 1" threaded fork with a...
07-08-20, 05:55 AM
Replies: 111
Views: 6,258
Posted By ljsense

https://www.trekbikes.com/us/en_US/manuals/

https://www.trekbikes.com/us/en_US/manuals/
07-06-20, 12:13 PM
Replies: 55
Views: 1,888
Posted By ljsense

It's a good question. Maybe someone will...

It's a good question.

Maybe someone will come along with better history on this than I have, but I think you should look at the early days of mountain biking and those clunkers of Marin County and...
07-06-20, 09:41 AM
Replies: 19
Views: 769
Posted By ljsense

It could be that for whatever anatomical reason...

It could be that for whatever anatomical reason your shoulder does not like to hold weight at that angle.

One way to try a different angle would be to get a different stem. Going shorter and...
07-06-20, 09:30 AM
Replies: 22
Views: 636
Posted By ljsense

If it's uncomfortable for a person to support...

If it's uncomfortable for a person to support weight with their hands, it can be challenging to make cycling comfortable.

Instead of looking at ways to reduce vibration or bumps, I would suggest...
Showing results 1 to 50 of 640
 


 
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