How about those 2020 TDF bikes?
09-01-20, 10:33 AM
#26
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From a reliable source, in stage 2? 3? (I did not ask) a mechanic was not able to remove the through axle on a racers rear wheel.
Using an electric wrench, maybe low battery power? too much torque?
So it goes.
Using an electric wrench, maybe low battery power? too much torque?
So it goes.
09-01-20, 10:36 AM
#27
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BMC would scare the poo out of me...that seat stay...oy.
Not sure why they would opt for disk brakes which have marginal ability to modulate...in a pack. Oy, part deux...
Not sure why they would opt for disk brakes which have marginal ability to modulate...in a pack. Oy, part deux...
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09-01-20, 10:50 AM
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different year, same lesson. Pros ride what their sponsors tell them to (except team leaders)
as they can go fast on anything. Marketers sell what the pros are riding no matter if it's liked
or not. Sales drives the whole thing
as they can go fast on anything. Marketers sell what the pros are riding no matter if it's liked
or not. Sales drives the whole thing
09-01-20, 10:52 AM
#29
Blamester
[QUOTE=jackbombay;21672174]Less mass in the bike disc than motorcycle or car discs and modified friction coefficient of the pads against the disc when the disc is wet result in the squeal is my hunch.[/QUOTE
I figured the weight was the difference but I hadn't thought of the disc itself.
So they don't perform in the wet it would seem or didn't on that day for some reason.
Did you watch any of the race.
The screeching was horrible I'm surprised they didn't have ear defenders. Cringe worthy.
I figured the weight was the difference but I hadn't thought of the disc itself.
So they don't perform in the wet it would seem or didn't on that day for some reason.
Did you watch any of the race.
The screeching was horrible I'm surprised they didn't have ear defenders. Cringe worthy.
09-01-20, 11:12 AM
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09-01-20, 11:28 AM
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An interesting disparity is the difference in aesthetic between the bikes the pros are riding and what casual riding consumers are riding. You see most people riding less compact modern bikes and many city bike type retailers are still making and selling steel triangle framed bikes.
Years ago you might have a pro riding a PX10 and your little brother riding a Fuji Royale. And to the untrained eye these bikes are nearly identical. That classic, uniform look I think is a big part of what attracts people to C&V.
Years ago you might have a pro riding a PX10 and your little brother riding a Fuji Royale. And to the untrained eye these bikes are nearly identical. That classic, uniform look I think is a big part of what attracts people to C&V.
09-01-20, 11:35 AM
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Anybody see the bike when Tiesj Benoot crashed today? Snapped the top/seat tubes off. Probably too early to get images.
09-01-20, 11:45 AM
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Thanks. Any idea what brand and width was used?
Curious also as to what percent of the TdF riders are riding tubed clinchers. Or does that depend on the Stage?
Curious also as to what percent of the TdF riders are riding tubed clinchers. Or does that depend on the Stage?
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09-01-20, 11:48 AM
#34
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09-01-20, 12:01 PM
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09-01-20, 12:29 PM
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I was shocked to see a wrench jump out of the team car with a drill for a wheel change (Stage 2 Alaphillippe?) then I remembered Oh yeah its all thru axles these days I will keep my old fashioned quick releases thanks. I enjoy the drama especially of a Mountain finish and these days I don't really pay as much attention to the plastic bikes like I used to.
I really want to hear Phil Liggett say "oh he's cracked" as some poor rider reaches the limit on a HC climb.....is that wrong?
I really want to hear Phil Liggett say "oh he's cracked" as some poor rider reaches the limit on a HC climb.....is that wrong?
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09-01-20, 01:47 PM
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Tiesj was fortunate to get up and walk away that could have been bad for him, as it was for the fragile bike.
09-01-20, 03:41 PM
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I have some on my modern road bike, I even drank the kool-aid and got 28's, with super thin tubes, I'm running them at 70/90, the bike floats right over trashy asphalt... I don't have any real mountain descents on them yet, but I'm sure I'll be happy with them when I do...
So they don't perform in the wet it would seem or didn't on that day for some reason.
Did you watch any of the race.
The screeching was horrible I'm surprised they didn't have ear defenders. Cringe worthy.
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09-01-20, 04:12 PM
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I don’t begrudge anyone for wanting the latest carbon disc through axel 22 speed bike. More power to them.
I however have been around bikes for 45 years. It all about selling people something new and convincing people what they already have is not good enough. It’s a racquet l don’t feel the need to be tied into.
I however have been around bikes for 45 years. It all about selling people something new and convincing people what they already have is not good enough. It’s a racquet l don’t feel the need to be tied into.
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09-01-20, 04:29 PM
#42
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I don't know if any of you know about these things called modern and semi-modern race cars, where they, upon impact (like a crash into a barrier or wall), pretty much explode. It's been that way for what, 20 or 30+ years now? Yeah. They are made largely of carbon fiber, especially the tub around the driver. Carbon structures disintegrating like that, dissipating energy, and quickly. This is by design. Carbon is both a performance aid (lightness, stiffness) and a crash aid (dissipating of mass/the vehicle's momentum/energy to lessen the severity).
Perhaps consider these race bikes as two-wheeled versions of four-wheeled race cars. I am glad the bike snapped like that, as if it had stayed together, it could have caught Benoot in a weirder way as he was flipping over, and whipped him into the ground harder (thus injuring him/injuring him further). The bike becoming "air" essentially, to me, let him tumble a bit more naturally, and thus was of benefit.
Miguel Angel Lopez' crash into a road sign and wall was pretty bad (Stage 1). The bike split at the top tube and down tube IIRC (at the impact point of the sign post). Dissipation of energy instead of bouncing back into him or something else.
As for disc brakes, yeah, the noise is bad, if not deafening. Pads contaminate easily. I greatly dislike that, but it is reality. Rain, grease/oil sprayed up by the tires on a wet road, sweat falling, and drinks from water bottles, all in a group of 100+ guys, will contaminate pads easily. Modulation of braking power is easy with discs. It's also easy with normal rim brakes. Even with contaminated pads, adequate or better stopping ability is present, it's just a lot noisier. I am more than happy to be a rim brake guy. Tried discs, had the troubles pretty quickly while also not experiencing much benefit, so I will decline the finicky things until I decide to give it another shot some day, which is not out of the question.
Alaphilippe had slid and impacted something on Stage 1 (off camera), and the video of him showing that he couldn't even rotate the front wheel meant that something go jammed up/broken. That will bind the thru-axle pretty good, so it's no wonder that swapping a bike happened. Even if the wheel was able to be replaced via loosening the thru-axle bolt, trusting things to be lined up and structurally sound would personally be difficult.
Again, like race cars, race bikes today can be and are essentially exclusively designed for "perfect or near-perfect" conditions. Clean driving, no impacts, no off-roading, no crashes, no jumping, clean air, and rain with appropriate tires. Introduce any adverse scenario and they break or blow up or whatever. No one complains about the durability, or perhaps the survivability of a race car upon heavy impact. Maybe we should consider race bikes similarly.
Perhaps consider these race bikes as two-wheeled versions of four-wheeled race cars. I am glad the bike snapped like that, as if it had stayed together, it could have caught Benoot in a weirder way as he was flipping over, and whipped him into the ground harder (thus injuring him/injuring him further). The bike becoming "air" essentially, to me, let him tumble a bit more naturally, and thus was of benefit.
Miguel Angel Lopez' crash into a road sign and wall was pretty bad (Stage 1). The bike split at the top tube and down tube IIRC (at the impact point of the sign post). Dissipation of energy instead of bouncing back into him or something else.
As for disc brakes, yeah, the noise is bad, if not deafening. Pads contaminate easily. I greatly dislike that, but it is reality. Rain, grease/oil sprayed up by the tires on a wet road, sweat falling, and drinks from water bottles, all in a group of 100+ guys, will contaminate pads easily. Modulation of braking power is easy with discs. It's also easy with normal rim brakes. Even with contaminated pads, adequate or better stopping ability is present, it's just a lot noisier. I am more than happy to be a rim brake guy. Tried discs, had the troubles pretty quickly while also not experiencing much benefit, so I will decline the finicky things until I decide to give it another shot some day, which is not out of the question.
Alaphilippe had slid and impacted something on Stage 1 (off camera), and the video of him showing that he couldn't even rotate the front wheel meant that something go jammed up/broken. That will bind the thru-axle pretty good, so it's no wonder that swapping a bike happened. Even if the wheel was able to be replaced via loosening the thru-axle bolt, trusting things to be lined up and structurally sound would personally be difficult.
Again, like race cars, race bikes today can be and are essentially exclusively designed for "perfect or near-perfect" conditions. Clean driving, no impacts, no off-roading, no crashes, no jumping, clean air, and rain with appropriate tires. Introduce any adverse scenario and they break or blow up or whatever. No one complains about the durability, or perhaps the survivability of a race car upon heavy impact. Maybe we should consider race bikes similarly.
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09-02-20, 06:33 AM
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09-02-20, 08:43 AM
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The road and mtb disc brakes I have used all feel great when it comes to modulation. There is actually a design where the first pull of the lever is long and then subsequent pulls grab the pads sooner. Its a feature, maybe you tried it once and thought that first pull was how all disc brakes work? Or maybe the disc brakes you have tried were cheap walmart level cable actuated and set up poorly?
Last edited by mstateglfr; 09-02-20 at 08:50 AM.
09-02-20, 08:52 AM
#47
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09-02-20, 09:20 AM
#48
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The road and mtb disc brakes I have used all feel great when it comes to modulation. There is actually a design where the first pull of the lever is long and then subsequent pulls grab the pads sooner. Its a feature, maybe you tried it once and thought that first pull was how all disc brakes work? Or maybe the disc brakes you have tried were cheap walmart level cable actuated and set up poorly?
But check out the finish of the Brussels classic race which I mentioned earlier in this thread.
Tell me what's going on there?
09-02-20, 11:21 AM
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I like the looks of this one. It just looks fast.
Found here: https://cyclingtips.com/2020/08/gall...our-de-france/
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09-02-20, 11:23 AM
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There must be fewer poseurs out there. Either that, or Q-ships have become the latest rage.
-Kurt
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