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Search: Posts Made By: Kimmo
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Forum: Road Cycling
04-14-22, 01:37 PM
Replies: 31
Views: 1,446
Posted By Mojo31

I carry Halt! when riding the country roads...

I carry Halt! when riding the country roads around us. Haven't had to use it yet, but would not hesitate to do so. Also wouldn't hesitate to use any other means to protect myself even if it harmed...
Forum: Road Cycling
04-14-22, 11:13 AM
Replies: 31
Views: 1,446
Posted By Badbird2000

First crash in years...

So, i was out for a ride Tuesday after work. It rained almost all day, but sun came out and things started to dry out. I was taking a loop i rarely go on the way home, it has a few more hills. I...
02-11-22, 12:59 AM
Replies: 78
Views: 5,294
Posted By Darth Lefty

One thing allowed by the Internet is that the...

One thing allowed by the Internet is that the entire customer base for everything is online in some form. Basically any failure rate here is not acceptable and should be rare and mostly accidental....
Forum: Road Cycling
01-31-22, 08:06 AM
Replies: 26
Views: 1,321
Posted By noimagination

I really, really hope you're wrong.

I really, really hope you're wrong.
01-26-22, 06:14 PM
Replies: 27
Views: 1,154
Posted By shelbyfv

Politely, you are barking up the wrong tree. The...

Politely, you are barking up the wrong tree. The TRP Spyre is the best purely mechanical disc brake and the HY/RD is generally thought to be a step above. Replace the pads and clean the rotors for...
Forum: Road Cycling
01-14-22, 03:00 PM
Replies: 61
Views: 3,503
Posted By Psimet2001

I'm not trying to take the fun out of it. I've...

I'm not trying to take the fun out of it. I've just been around this stuff too long - at races. The strong guys with good engines win. They win so many times despite the equipment they're on. In the...
Forum: Road Cycling
01-14-22, 09:39 AM
Replies: 61
Views: 3,503
Posted By burnthesheep

Nope, you're wrong. You don't even have to...

Nope, you're wrong.

You don't even have to measure the inflated tire with calipers and do the math on that one. For the inflated size, the max tire for aero even quoted by HED themselves on...
Forum: Road Cycling
01-14-22, 09:37 AM
Replies: 61
Views: 3,503
Posted By asgelle

Run the narrowest tire at the highest pressure...

Run the narrowest tire at the highest pressure possible that is below the impedance break point and above where you pinch flat.
Forum: Road Cycling
01-14-22, 09:03 AM
Replies: 61
Views: 3,503
Posted By TMonk

Time Trialist chiming in here, matching tire/rim...

Time Trialist chiming in here, matching tire/rim width is fairly well known and the watt savings are significant and outweigh rolling resistance differences between comparable race tires. The Zipp...
Forum: Road Cycling
01-13-22, 06:11 PM
Replies: 61
Views: 3,503
Posted By popeye

True but deep aero wheels diverged from NACA in...

True but deep aero wheels diverged from NACA in order to accommodate wide yaw angles some years ago.
Forum: Road Cycling
01-13-22, 06:07 PM
Replies: 61
Views: 3,503
Posted By 79pmooney

Yes. I raced before anybody talked of wheel...

Yes. I raced before anybody talked of wheel weights but we all knew our rim weights (or at least the published weights). I raced rims that were 290 grams and lighter. Tires of 250 grams and...
Forum: Road Cycling
12-27-21, 08:36 PM
Replies: 30
Views: 2,182
Posted By cyclezen

aero is quite complicated area of study. much of...

aero is quite complicated area of study. much of which flies well above our heads as the great unwashed..
of course, thinner is more aero, given all other factors are the same - which they never...
Forum: Road Cycling
12-27-21, 07:07 PM
Replies: 30
Views: 2,182
Posted By Bob Dopolina

Different Front/Rear tire sizes?

Years ago Continental offered the Force/Attack tire set where the front tire was smaller than the rear tire.

I always thought this was a good idea for two reasons: 1. The weight distribution is...
Forum: Road Cycling
11-20-21, 09:23 PM
Replies: 55
Views: 3,895
Posted By mstateglfr

I have yet to see a SRAM wireless setup and...

I have yet to see a SRAM wireless setup and think- 'wow, that drivetrain looks awesome!', so between your two choices I would go Shimano.
11-18-21, 06:07 AM
Replies: 32
Views: 2,668
Posted By SoSmellyAir

You totally do! If I ever go Di2 on my current...

You totally do! If I ever go Di2 on my current bike I would just route the shifter wires into the frame through the existing ports for the shifter cables at the sides of the down tube just behind the...
11-17-21, 05:44 PM
Replies: 41
Views: 2,612
Posted By Crankycrank

I say go for it. You sound like the kind of...

I say go for it. You sound like the kind of person who can do this IMO. Hell, if there were no tinkerers with some ingenuity we would probably have about 2 bike mfrs. in the world. :beer:
11-17-21, 11:37 AM
Replies: 41
Views: 2,612
Posted By Jonneh

I know the precautionary principle is the...

I know the precautionary principle is the prevailing bias here, in contrast to other places. Perhaps that's a good thing for many, but failing being trained as an engineer, one only gains the...
11-15-21, 05:54 PM
Replies: 31
Views: 3,498
Posted By SoSmellyAir

Before going the waxed chain route, I applied...

Before going the waxed chain route, I applied Boeshield T-9 (and other lube, e.g., Rock N Roll) the same way: a few drops per chain roller, let sit for a while, then backpedal the chain through a...
11-12-21, 03:36 PM
Replies: 26
Views: 992
Posted By HillRider

Be aware that Chris King headsets have the...

Be aware that Chris King headsets have the bearing cartridges "spun" into place and they cannot be removed from the cups, at least not by the home mechanic. You have to seat the cups into the...
11-12-21, 12:05 PM
Replies: 26
Views: 992
Posted By canopus

Usually on a high end frame they have already...

Usually on a high end frame they have already reamed/faced the headtube and fork lower race. We would do it at the shop, based on frame and it was usually just to clean the paint out which could...
Forum: Road Cycling
10-25-21, 10:20 AM
Replies: 45
Views: 2,628
Posted By smashndash

Just looking at your build, I would say that,...

Just looking at your build, I would say that, unfortunately, you have a bunch of fairly expensive and fairly light components all leading upto a fairly light bike. There's no silver bullet here.
...
Forum: Road Cycling
10-24-21, 01:34 PM
Replies: 10
Views: 1,202
Posted By TerryDi2C

Like Kimmo said, connecting the FD using the RD...

Like Kimmo said, connecting the FD using the RD cable will let you rule out the FD wire as the cause of the issue.

Normally I'd say connect the bike to a windows computer and let E-Tube Project...
Forum: Road Cycling
10-20-21, 07:01 AM
Replies: 24
Views: 1,360
Posted By seypat

It's that way in all products. Read the supply...

It's that way in all products. Read the supply chain issue threads. I have a wholesale/retail business. Products that cost me $15-$20 2 years ago now cost in the $40s. The freight on an individual...
10-14-21, 06:07 PM
Replies: 20
Views: 480
Posted By cyrano138

Yes, and yes. The spokes are numerous and heavy,...

Yes, and yes. The spokes are numerous and heavy, not unlike the crowd at wal mart on black Friday, and my shorts expressly promised to wick moisture away to, I can only assume, some other place,...
09-25-21, 07:25 PM
Replies: 9
Views: 1,431
Posted By 70sSanO

The main problem you have is 10 speed mtb...

The main problem you have is 10 speed mtb shifters pull a lot more cable (3.4mm) to move the RD less distance than traditional 9 speed shifters (2.5mm) pull to move the RD more. Alternate cabling...
09-25-21, 12:39 PM
Replies: 9
Views: 1,431
Posted By jccaclimber

Search this link for “alternate cable routing” ...

Search this link for “alternate cable routing”

https://www.sheldonbrown.com/drivetrain-mixing.shtml
Forum: Road Cycling
09-25-21, 03:48 AM
Replies: 16
Views: 879
Posted By canklecat

Kimmo , yeah, but I really want one of these. ...

Kimmo , yeah, but I really want one of these.

https://youtu.be/VE1VdjqV_LA
Forum: Road Cycling
09-24-21, 07:35 PM
Replies: 1,772
Views: 284,659
Posted By LAJ

Both hot, though the Storck is way hotter. ...

Both hot, though the Storck is way hotter.

In my opinion, I would stop searching for the perfect blue, and go black. Unnecessary matchy-matchy.
Forum: Road Cycling
09-23-21, 10:44 PM
Replies: 16
Views: 879
Posted By canklecat

Try a Timber mountain bike bell...

Try a Timber mountain bike bell (https://www.mtbbell.com/). It rings continuously when "turned on," and can be muted by flipping a lever. Ringing depends on the terrain and angle of the bell. Sounds...
09-23-21, 12:55 PM
Replies: 84
Views: 4,260
Posted By WizardOfBoz

As someone who has gone over the handlebars and...

As someone who has gone over the handlebars and landed on my chin due to trying to optimize improperly (and who grew up working in a machine shop and now has a PhD in Engineering) I would suggest...
09-23-21, 08:11 AM
Replies: 84
Views: 4,260
Posted By HillRider

If you are looking for a quieter hub, get...

If you are looking for a quieter hub, get Shimano's as they are nearly silent while coasting. My FH-7700 Dura Ace hub makes no noise at all. Shimano even makes a series of hubs intended for Police...
Forum: Road Cycling
09-21-21, 03:09 AM
Replies: 237
Views: 12,202
Posted By PeteHski

While this is true, competition between rival...

While this is true, competition between rival brands will inevitably drive what technology is actually used on the bikes to make them competitive.
Or do you think none of the bike manufacturers try...
Forum: Road Cycling
09-21-21, 12:58 AM
Replies: 237
Views: 12,202
Posted By Prodigy4299

This x1000. I was grinding my teeth recently,...

This x1000. I was grinding my teeth recently, listening to the Rouleur podcast on the topic, where they said "well, obviously the pros prefer disc brakes, since they're choosing to ride them now"....
09-20-21, 08:30 AM
Replies: 21
Views: 928
Posted By jnbrown

Are you sure it is loosing charge or just a loose...

Are you sure it is loosing charge or just a loose connection?
My wife's Cannondale had a problem where the shifting would stop working intermittently.
I finally accessed the junction box in the BB...
09-20-21, 08:23 AM
Replies: 23
Views: 952
Posted By hydrocarbon

For sure. Nice to see some data to back up what's...

For sure. Nice to see some data to back up what's been known to good wheelbuilders for ages.

It's well-established that butted spokes are superior to straight-gauge in every way except cost. I...
09-18-21, 04:19 PM
Replies: 10
Views: 671
Posted By shelbyfv

Just to get the obvious out of the way, what's...

Just to get the obvious out of the way, what's your objection to Shimano chains?:foo:
09-17-21, 03:09 PM
Replies: 79
Views: 3,439
Posted By Eric F

Lotto-Jumbo rider, Steven Kruijswijk, was...

Lotto-Jumbo rider, Steven Kruijswijk, was involved in a heavy crash in one of the early stages of the TdF this year that completely broke out his seat stay. He got back on the bike and finished the...
09-17-21, 03:03 PM
Replies: 79
Views: 3,439
Posted By alcjphil

Carbon bike frames can be pretty strong...

Carbon bike frames can be pretty strong...
09-17-21, 11:23 AM
Replies: 23
Views: 952
Posted By cyccommute

In theory, perhaps. In practice, spokes break. ...

In theory, perhaps. In practice, spokes break. Spokes used in situations where the wheel carries more load break more frequently. Heavy riders and riders carrying heavy loads decrease the tension...
Forum: Road Cycling
09-17-21, 11:17 AM
Replies: 52
Views: 2,523
Posted By SoSmellyAir

Troul on overdrive in descent? Like a gas saving...

Troul on overdrive in descent? Like a gas saving 5th gear in an old school manual transmission, which causes the engine to lug as soon as you shift into it.
09-16-21, 05:43 PM
Replies: 23
Views: 952
Posted By cyccommute

According to the ASM International Elements of...

According to the ASM International Elements of Metallurgy and Engineering Alloys, 2008 (https://www.asminternational.org/documents/10192/1849770/05224G_Chapter14.pdf), they are related.
09-16-21, 09:23 AM
Replies: 23
Views: 952
Posted By cyccommute

Pillar Spokes...

Pillar Spokes (https://www.pillarspoke.com/spokes) doesn’t present testing in a laced wheel but they appear to have measured the breaking strength of all of their various spokes. They likely used...
09-15-21, 10:05 AM
Replies: 23
Views: 952
Posted By 79pmooney

The spoke itself isn't the only thing that does...

The spoke itself isn't the only thing that does better butted. My experience is that rims built on butted spokes are less likely to crack at the spoke holes. I'd guess the same would be true of the...
09-15-21, 09:50 AM
Replies: 79
Views: 3,439
Posted By Eric F

At this point, it's not even about "if it's good...

At this point, it's not even about "if it's good for planes then it must be good for bikes". CF composite material has proven itself over multiple decades to be strong, durable, and lightweight, with...
09-15-21, 09:32 AM
Replies: 100
Views: 4,400
Posted By Pantah

Agreed. Routine maintenance, which includes...

Agreed. Routine maintenance, which includes wiping the dust and dirt off, really helps prevent the gunky buildup which requires some sort of solvent. The number one reason I typically use solvent...
09-15-21, 09:07 AM
Replies: 100
Views: 4,400
Posted By SoSmellyAir

I got into chain waxing a few months ago and...

I got into chain waxing a few months ago and finding OMS in southern California has been challenging. I ended up buying a liter from an art supply store (Michaels) for $22. I also ordered a quart...
09-15-21, 07:05 AM
Replies: 79
Views: 3,439
Posted By Hondo6

Sorry for the delayed reply here. Got tied up...

Sorry for the delayed reply here. Got tied up yesterday, then zonked early last night.

It's not really a “sudden drop-off of durability and performance”. It’s more like a slow internal degradation...
09-14-21, 09:44 PM
Replies: 53
Views: 7,288
Posted By sykerocker

A few years back, I got tired of seeing all the...

A few years back, I got tired of seeing all the middle-aged doctors, lawyers and accountants showing up at Tour de France time for Sunday rides thru the Ashland area on their Orbeas, Pinarellos, etc....
09-14-21, 03:32 PM
Replies: 79
Views: 3,439
Posted By tankist

Carbon passes my test - it is strong enough to...

Carbon passes my test - it is strong enough to open a beer bottle :)

https://cimg7.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/carbon_13bcf63ba21fb052757356f5a791c2a79fdb35fe.jpg
09-14-21, 01:52 PM
Replies: 79
Views: 3,439
Posted By Hondo6

Sounds like they ended up using something akin to...

Sounds like they ended up using something akin to Whipple sheilds and/or improved versions of same. That would have been my guess as to the next step beyond a sacrificial outer layer (or maybe in...
Showing results 1 to 50 of 873
 


 
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