#81
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Better Braking?
On 2/2/2020 11:13 PM, jbeattie wrote:
On Sunday, February 2, 2020 at 5:15:10 PM UTC-8, Frank Krygowski wrote: On 2/2/2020 7:11 PM, jbeattie wrote: The OE direct mount brakes on my Trek stop well enough but have a slightly different feel than Ultegra dual pivot. Their reason for being is aerodynamics and light weight. And everyone knows how critical aerodynamics are. Why, just look at how Shimano AX absolutely transformed everyone's riding experience! And light weight? Yep, pedaling your 180 pound bike+rider weight up a hill is a completely different experience than pedaling your 179.9 pound total bike+rider weight. That extra tenth of a pound absolutely sucks! Thank God for 0.06% improvements! Pfff. My Trek is a 15-16lb bike. It's like riding an eBike compared to my commuter-pig. Can't you tell the difference between light and heavy bikes? Riding blindfolded, I can tell the difference between all my bikes within one or two pedal strokes -- just before crashing. I love my super-light, modern racing bike for fast road riding, hanging in with the other, sputtering old former racers. Focus, Jay! What are we going to talk about - the effect of a change in weight, or you distinguishing the "feel" of your bikes? I don't doubt you can detect the different "feel" of each bike you own. I can do that with mine. But it has far more to do with frame geometry, tire characteristics, center of gravity location, handlebar variations etc. than it has to do with any weight difference. A smart high school junior should be capable of understanding the physical effect of a change of weight. The effects - speed vs power on uphills, acceleration vs. force on the flat - depend on the percent change in _total_ bike+rider weight or mass. And since you brought up the weight savings of direct mount brakes vs. ordinary calipers, that percent change is microscopic. Want proof? The weight difference between a Shimano direct mount and a comparable Shimano single bolt mount is about 56 grams per set. That's two ounces. So do some blind tests. Have your son duct tape two ounces of lead out of your sight at the fork crown of your favorite bike. Do multiple test rides with and without that horrendous extra weight, at random. I'm betting you couldn't tell when it's present or absent, just like you can't feel the difference in weight of direct mount brakes. 0.06% is 0.06%, no matter how you advertise it. -- - Frank Krygowski |
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#82
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Better Braking?
On Monday, February 3, 2020 at 9:11:47 AM UTC-8, Frank Krygowski wrote:
On 2/2/2020 11:13 PM, jbeattie wrote: On Sunday, February 2, 2020 at 5:15:10 PM UTC-8, Frank Krygowski wrote: On 2/2/2020 7:11 PM, jbeattie wrote: The OE direct mount brakes on my Trek stop well enough but have a slightly different feel than Ultegra dual pivot. Their reason for being is aerodynamics and light weight. And everyone knows how critical aerodynamics are. Why, just look at how Shimano AX absolutely transformed everyone's riding experience! And light weight? Yep, pedaling your 180 pound bike+rider weight up a hill is a completely different experience than pedaling your 179.9 pound total bike+rider weight. That extra tenth of a pound absolutely sucks! Thank God for 0.06% improvements! Pfff. My Trek is a 15-16lb bike. It's like riding an eBike compared to my commuter-pig. Can't you tell the difference between light and heavy bikes? Riding blindfolded, I can tell the difference between all my bikes within one or two pedal strokes -- just before crashing. I love my super-light, modern racing bike for fast road riding, hanging in with the other, sputtering old former racers. Focus, Jay! What are we going to talk about - the effect of a change in weight, or you distinguishing the "feel" of your bikes? I don't doubt you can detect the different "feel" of each bike you own. I can do that with mine. But it has far more to do with frame geometry, tire characteristics, center of gravity location, handlebar variations etc. than it has to do with any weight difference. A smart high school junior should be capable of understanding the physical effect of a change of weight. The effects - speed vs power on uphills, acceleration vs. force on the flat - depend on the percent change in _total_ bike+rider weight or mass. And since you brought up the weight savings of direct mount brakes vs. ordinary calipers, that percent change is microscopic. Want proof? The weight difference between a Shimano direct mount and a comparable Shimano single bolt mount is about 56 grams per set. That's two ounces. So do some blind tests. Have your son duct tape two ounces of lead out of your sight at the fork crown of your favorite bike. Do multiple test rides with and without that horrendous extra weight, at random. I'm betting you couldn't tell when it's present or absent, just like you can't feel the difference in weight of direct mount brakes. 0.06% is 0.06%, no matter how you advertise it. Focus Frank! I was talking about the effect of riding a bike that is five pounds lighter than my commuter. And yes, there are a multitude of other differences, but weight is a big one. And what is the problem with a lighter more aero brake? You seem to see it as an offense to humanity. I guarantee you that the direct mount brakes on my Trek kick the living sh** out of any cantilevers I've owned, and that's Shimano, Mafac, Paul, Scott, DiaCompe (and maybe others, I don't recall). The OE dual pivots are good brakes, and they provide more tire clearance than ordinary dual pivots. Where's the crime? Seems like a win-win to me. That .06% added up with all the other .06%s has produce a really light, fun bike. -- Jay Beattie. |
#83
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Better Braking?
On 2/3/2020 1:15 PM, AMuzi wrote:
On 2/3/2020 9:29 AM, Duane wrote: On 2/3/2020 10:12 AM, jbeattie wrote: On Monday, February 3, 2020 at 2:17:00 AM UTC-8, John B. Slocomb wrote: On Sun, 2 Feb 2020 20:15:06 -0500, Frank Krygowski wrote: On 2/2/2020 7:11 PM, jbeattie wrote: The OE direct mount brakes on my Trek stop well enough but have a slightly different feel than Ultegra dual pivot.Â* Their reason for being is aerodynamics and light weight. And everyone knows how critical aerodynamics are. Why, just look at how Shimano AX absolutely transformed everyone's riding experience! And light weight? Yep, pedaling your 180 pound bike+rider weight up a hill is a completely different experience than pedaling your 179.9 pound total bike+rider weight. That extra tenth of a pound absolutely sucks! Thank God for 0.06% improvements! But Frank! It's NEW! and everyone knows that NEW is BETTER..... O.K., it might cost a tiny bit more but just think, everyone will be looking at you with envy (Pssst, he's got one of them there new things...) and think of the bragging rights... "See, I was riding along on my $3,000 bike there with the new thing on it..." You have this weird fascination with price. Nobody I ride with buys anything as a status symbol -- and nobody pays OTC price.Â* My Trek was pro-deal because I do work for the company, and most of my friends are in the industry.Â* And even if I did pay full price for my bike, who cares? Why not have a bike that is fun to ride? -- Jay Beattie. No Jay, you are being mind controlled by big marketing and you just think it's fun to ride your bike. "you just think it's fun to ride your bike." We've come to some bizarro world like Marxist theory in which differing opinions are said to be caused by 'false consciousness'. Preferable to being caused by blind stupidity attributed to the person to whom you have a difference of opinion. At least in my opinion... |
#84
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Better Braking?
On 2/3/2020 1:26 PM, jbeattie wrote:
On Monday, February 3, 2020 at 9:11:47 AM UTC-8, Frank Krygowski wrote: On 2/2/2020 11:13 PM, jbeattie wrote: On Sunday, February 2, 2020 at 5:15:10 PM UTC-8, Frank Krygowski wrote: On 2/2/2020 7:11 PM, jbeattie wrote: The OE direct mount brakes on my Trek stop well enough but have a slightly different feel than Ultegra dual pivot. Their reason for being is aerodynamics and light weight. And everyone knows how critical aerodynamics are. Why, just look at how Shimano AX absolutely transformed everyone's riding experience! And light weight? Yep, pedaling your 180 pound bike+rider weight up a hill is a completely different experience than pedaling your 179.9 pound total bike+rider weight. That extra tenth of a pound absolutely sucks! Thank God for 0.06% improvements! Pfff. My Trek is a 15-16lb bike. It's like riding an eBike compared to my commuter-pig. Can't you tell the difference between light and heavy bikes? Riding blindfolded, I can tell the difference between all my bikes within one or two pedal strokes -- just before crashing. I love my super-light, modern racing bike for fast road riding, hanging in with the other, sputtering old former racers. Focus, Jay! What are we going to talk about - the effect of a change in weight, or you distinguishing the "feel" of your bikes? I don't doubt you can detect the different "feel" of each bike you own. I can do that with mine. But it has far more to do with frame geometry, tire characteristics, center of gravity location, handlebar variations etc. than it has to do with any weight difference. A smart high school junior should be capable of understanding the physical effect of a change of weight. The effects - speed vs power on uphills, acceleration vs. force on the flat - depend on the percent change in _total_ bike+rider weight or mass. And since you brought up the weight savings of direct mount brakes vs. ordinary calipers, that percent change is microscopic. Want proof? The weight difference between a Shimano direct mount and a comparable Shimano single bolt mount is about 56 grams per set. That's two ounces. So do some blind tests. Have your son duct tape two ounces of lead out of your sight at the fork crown of your favorite bike. Do multiple test rides with and without that horrendous extra weight, at random. I'm betting you couldn't tell when it's present or absent, just like you can't feel the difference in weight of direct mount brakes. 0.06% is 0.06%, no matter how you advertise it. Focus Frank! I was talking about the effect of riding a bike that is five pounds lighter than my commuter. And yes, there are a multitude of other differences, but weight is a big one. We weren't talking about any five pound difference. We were talking about "Better braking" (see it there in the subject line?). And at the moment, I was responding to your sentence: "The OE direct mount brakes on my Trek stop well enough but have a slightly different feel than Ultegra dual pivot. Their reason for being is aerodynamics and light weight." Again: "Their reason for being is aerodynamics and light weight." Their weight difference is about two ounces, or roughly 0.06% of the moving weight. Their aerodynamic difference is even more negligible. And what is the problem with a lighter more aero brake? No problem, provided there are no detriments that negate those benefits. But many people seem to hold a mindset in which any benefit is all that matters, despite how small it may be; and any mention of detriment is heresy. And the phrase "good enough"? HERESY! I guarantee you that the direct mount brakes on my Trek kick the living sh** out of any cantilevers I've owned, and that's Shimano, Mafac, Paul, Scott, DiaCompe (and maybe others, I don't recall). In what way are they that much better? Lighter lever force? Fine, but generally irrelevant, unless you have some problem with grip strength. And with cantilevers, I have adjustable lever force. We're having a rare sunny, mild day and my wife and I just got back from a little ride on the tandem. Nothing impressive, max speed only 30 mph on a couple downhills. But the cantilevers stop well enough I never even thought about the brakes, despite this discussion. What more do I need? The OE dual pivots are good brakes, and they provide more tire clearance than ordinary dual pivots. Where's the crime? Seems like a win-win to me. But they have less tire clearance than what I'm using, so if you're going to count that as an advantage, you're losing. I'm not trying to say anyone should not use those if they choose. But let's look at both sides of the balance sheet. To go with that better-than-the-worst tire clearance (whoopee!) and the 0.06% reduction in weight, you've committed to a bike frame that can't use any other type of brake - unless, I suppose, someone makes some sort of adapter. If that brake goes the way of bottom bracket U-brakes or roller cam brakes, you'll be scrounging 2025 Ebay for parts. To me, that incompatibility is a disadvantage. But I guess to someone who is already three product cycles deeper into "No, THIS is the new incompatible standard, because it's BETTER!!" incompatibility wouldn't matter. Because "Why wouldn't you want what's BETTER?" That .06% added up with all the other .06%s has produce a really light, fun bike. I took a guess at typical bike+rider weight to compute that 0.06% from the two ounce (56 gram) differenc. Let's just work with the "five pounds lighter than your commuter" bike. You'd need 40 of those tiny weight reductions to drop five pounds; and that still wouldn't turn your commuter pig into a lithe, snappy sport bike. Or to turn things around, if you added two ounces to your light, fun bike you'd never notice the difference. Really, it's just the same as adding one more rear cog but changing nothing else; it makes negligible difference. If you could drop the two ounces or add the cog with no detriments, sure, why not? But in real life, that's not how it works. So it's more logical to look at both sides of the balance sheet. How is this not obvious? -- - Frank Krygowski |
#85
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Better Braking?
On Monday, February 3, 2020 at 7:12:50 AM UTC-8, jbeattie wrote:
On Monday, February 3, 2020 at 2:17:00 AM UTC-8, John B. Slocomb wrote: On Sun, 2 Feb 2020 20:15:06 -0500, Frank Krygowski wrote: On 2/2/2020 7:11 PM, jbeattie wrote: The OE direct mount brakes on my Trek stop well enough but have a slightly different feel than Ultegra dual pivot. Their reason for being is aerodynamics and light weight. And everyone knows how critical aerodynamics are. Why, just look at how Shimano AX absolutely transformed everyone's riding experience! And light weight? Yep, pedaling your 180 pound bike+rider weight up a hill is a completely different experience than pedaling your 179.9 pound total bike+rider weight. That extra tenth of a pound absolutely sucks! Thank God for 0.06% improvements! But Frank! It's NEW! and everyone knows that NEW is BETTER..... O.K., it might cost a tiny bit more but just think, everyone will be looking at you with envy (Pssst, he's got one of them there new things...) and think of the bragging rights... "See, I was riding along on my $3,000 bike there with the new thing on it..." You have this weird fascination with price. Nobody I ride with buys anything as a status symbol -- and nobody pays OTC price. My Trek was pro-deal because I do work for the company, and most of my friends are in the industry. And even if I did pay full price for my bike, who cares? Why not have a bike that is fun to ride? -- Jay Beattie. I paid $600 for mine and $58 shipping. One scratch on it that of course was all my friend could see. You have to turn the frame upside down to see it. It appears by the time I get done with it, it will have cost me about $1,500 total. This will be for a bike that would cost me $5,000+ new. So I'm not complaining. |
#86
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Better Braking?
On Monday, February 3, 2020 at 9:11:47 AM UTC-8, Frank Krygowski wrote:
On 2/2/2020 11:13 PM, jbeattie wrote: On Sunday, February 2, 2020 at 5:15:10 PM UTC-8, Frank Krygowski wrote: On 2/2/2020 7:11 PM, jbeattie wrote: The OE direct mount brakes on my Trek stop well enough but have a slightly different feel than Ultegra dual pivot. Their reason for being is aerodynamics and light weight. And everyone knows how critical aerodynamics are. Why, just look at how Shimano AX absolutely transformed everyone's riding experience! And light weight? Yep, pedaling your 180 pound bike+rider weight up a hill is a completely different experience than pedaling your 179.9 pound total bike+rider weight. That extra tenth of a pound absolutely sucks! Thank God for 0.06% improvements! Pfff. My Trek is a 15-16lb bike. It's like riding an eBike compared to my commuter-pig. Can't you tell the difference between light and heavy bikes? Riding blindfolded, I can tell the difference between all my bikes within one or two pedal strokes -- just before crashing. I love my super-light, modern racing bike for fast road riding, hanging in with the other, sputtering old former racers. Focus, Jay! What are we going to talk about - the effect of a change in weight, or you distinguishing the "feel" of your bikes? I don't doubt you can detect the different "feel" of each bike you own. I can do that with mine. But it has far more to do with frame geometry, tire characteristics, center of gravity location, handlebar variations etc. than it has to do with any weight difference. A smart high school junior should be capable of understanding the physical effect of a change of weight. The effects - speed vs power on uphills, acceleration vs. force on the flat - depend on the percent change in _total_ bike+rider weight or mass. And since you brought up the weight savings of direct mount brakes vs. ordinary calipers, that percent change is microscopic. Want proof? The weight difference between a Shimano direct mount and a comparable Shimano single bolt mount is about 56 grams per set. That's two ounces. So do some blind tests. Have your son duct tape two ounces of lead out of your sight at the fork crown of your favorite bike. Do multiple test rides with and without that horrendous extra weight, at random. I'm betting you couldn't tell when it's present or absent, just like you can't feel the difference in weight of direct mount brakes. 0.06% is 0.06%, no matter how you advertise it. -- - Frank Krygowski Frank, direct mount brakes were for improved braking and better aerodynamics on TT bikes. It just turns out that they are lighter. If you don't understand the aerodynamics part you aren't riding fast enough to tell. So it doesn't matter to you. Don't talk about the weight as if that were the sum purpose of the direct mount brakes. |
#87
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Better Braking?
On Monday, February 3, 2020 at 2:57:09 PM UTC, Tom Kunich wrote:
Most people don't descend steep twisting roads so they really don't have anything to compare when you talk about high speed descents. And damn glad I am about it too, or they'd want to come ride on my hills and lanes, crowding out the place. Andre Jute Fast descender |
#88
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Better Braking?
On Mon, 3 Feb 2020 07:12:47 -0800 (PST), jbeattie
wrote: On Monday, February 3, 2020 at 2:17:00 AM UTC-8, John B. Slocomb wrote: On Sun, 2 Feb 2020 20:15:06 -0500, Frank Krygowski wrote: On 2/2/2020 7:11 PM, jbeattie wrote: The OE direct mount brakes on my Trek stop well enough but have a slightly different feel than Ultegra dual pivot. Their reason for being is aerodynamics and light weight. And everyone knows how critical aerodynamics are. Why, just look at how Shimano AX absolutely transformed everyone's riding experience! And light weight? Yep, pedaling your 180 pound bike+rider weight up a hill is a completely different experience than pedaling your 179.9 pound total bike+rider weight. That extra tenth of a pound absolutely sucks! Thank God for 0.06% improvements! But Frank! It's NEW! and everyone knows that NEW is BETTER..... O.K., it might cost a tiny bit more but just think, everyone will be looking at you with envy (Pssst, he's got one of them there new things...) and think of the bragging rights... "See, I was riding along on my $3,000 bike there with the new thing on it..." You have this weird fascination with price. Nobody I ride with buys anything as a status symbol -- and nobody pays OTC price. My Trek was pro-deal because I do work for the company, and most of my friends are in the industry. And even if I did pay full price for my bike, who cares? Why not have a bike that is fun to ride? -- Jay Beattie. Given that I am retired I think that some pre-occupation with prices might be wise, but more important is the seeming allegation that one must have an expensive bike to enjoy riding. You ask, "Why not have a bike that is fun to ride?" and I might reply, "Why not have fun riding a bike?" -- Cheers, John B. |
#89
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Better Braking?
On Mon, 03 Feb 2020 12:15:29 -0600, AMuzi wrote:
On 2/3/2020 9:29 AM, Duane wrote: On 2/3/2020 10:12 AM, jbeattie wrote: On Monday, February 3, 2020 at 2:17:00 AM UTC-8, John B. Slocomb wrote: On Sun, 2 Feb 2020 20:15:06 -0500, Frank Krygowski wrote: On 2/2/2020 7:11 PM, jbeattie wrote: The OE direct mount brakes on my Trek stop well enough but have a slightly different feel than Ultegra dual pivot. Their reason for being is aerodynamics and light weight. And everyone knows how critical aerodynamics are. Why, just look at how Shimano AX absolutely transformed everyone's riding experience! And light weight? Yep, pedaling your 180 pound bike+rider weight up a hill is a completely different experience than pedaling your 179.9 pound total bike+rider weight. That extra tenth of a pound absolutely sucks! Thank God for 0.06% improvements! But Frank! It's NEW! and everyone knows that NEW is BETTER..... O.K., it might cost a tiny bit more but just think, everyone will be looking at you with envy (Pssst, he's got one of them there new things...) and think of the bragging rights... "See, I was riding along on my $3,000 bike there with the new thing on it..." You have this weird fascination with price. Nobody I ride with buys anything as a status symbol -- and nobody pays OTC price. My Trek was pro-deal because I do work for the company, and most of my friends are in the industry. And even if I did pay full price for my bike, who cares? Why not have a bike that is fun to ride? -- Jay Beattie. No Jay, you are being mind controlled by big marketing and you just think it's fun to ride your bike. "you just think it's fun to ride your bike." We've come to some bizarro world like Marxist theory in which differing opinions are said to be caused by 'false consciousness'. :-) Ah but... "false consciousness" is someone who doesn't agree with me :-) -- Cheers, John B. |
#90
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Better Braking?
On Monday, February 3, 2020 at 2:49:20 PM UTC-8, John B. Slocomb wrote:
On Mon, 3 Feb 2020 07:12:47 -0800 (PST), jbeattie wrote: On Monday, February 3, 2020 at 2:17:00 AM UTC-8, John B. Slocomb wrote: On Sun, 2 Feb 2020 20:15:06 -0500, Frank Krygowski wrote: On 2/2/2020 7:11 PM, jbeattie wrote: The OE direct mount brakes on my Trek stop well enough but have a slightly different feel than Ultegra dual pivot. Their reason for being is aerodynamics and light weight. And everyone knows how critical aerodynamics are. Why, just look at how Shimano AX absolutely transformed everyone's riding experience! And light weight? Yep, pedaling your 180 pound bike+rider weight up a hill is a completely different experience than pedaling your 179.9 pound total bike+rider weight. That extra tenth of a pound absolutely sucks! Thank God for 0.06% improvements! But Frank! It's NEW! and everyone knows that NEW is BETTER..... O.K., it might cost a tiny bit more but just think, everyone will be looking at you with envy (Pssst, he's got one of them there new things...) and think of the bragging rights... "See, I was riding along on my $3,000 bike there with the new thing on it..." You have this weird fascination with price. Nobody I ride with buys anything as a status symbol -- and nobody pays OTC price. My Trek was pro-deal because I do work for the company, and most of my friends are in the industry. And even if I did pay full price for my bike, who cares? Why not have a bike that is fun to ride? -- Jay Beattie. Given that I am retired I think that some pre-occupation with prices might be wise, but more important is the seeming allegation that one must have an expensive bike to enjoy riding. You ask, "Why not have a bike that is fun to ride?" and I might reply, "Why not have fun riding a bike?" -- Cheers, John B. I'm not saying you have to have an expensive bike to have fun. I'm saying that a stiff 16lb racing bike is a hoot when your racing friends up a climb or to a city limits sign -- or actually racing. You can love your beach-bomber or whatever, but having a bike that takes off when you hit the gas is fun. The price I paid for my Emonda was a blip on the financial radar. I ride with guys who have way more expensive bikes, although none of them paid full price either. It's also fun having a bike that will bomb down a trail or carry luggage or that you can dump in the racks at work without worry (except for whacking the dyno light). I have a bunch of bikes and all are loved and used. I'm not trying to pry anyone's bike out of their cold dead hands. People can love whatever bike they want, but some bikes are more fun than others. Just like some cars, skis, monkey wrenches and frying pans are more fun than others. I even have a favorite pair of ski poles -- and a favorite dental floss. -- Jay Beattie. |
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