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Old 05-13-2013, 08:47 AM   #28576
kbasa
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Quote:
Originally Posted by Aurelius View Post
"...we did not note any marked increase in braking power as compared to dual pivot rim calipers."

That says it all. Besides, how much braking force can those skinny tires road bikes are equipped with handle? Pumped up to 120 psi, there's not much of a contact patch there.
I think I'm attracted to them because we have long, long descents. The drop off of Mt. Hamilton was 18 miles. If I could get better heat dissipation and better modulation, I'd be fine with discs. I ride in the rain, too, so a perforated disc is also attractive, particularly on long descents.

Yeah, I can lock the front wheel on my /2, but that's not, IMHO, the measure of a good braking system. An ability to resist fade, wet weather and better modulation would be my goals for a disc setup.
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Old 05-13-2013, 08:49 AM   #28577
Gummee!
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Quote:
Originally Posted by kbasa View Post
I think I'm attracted to them because we have long, long descents. The drop off of Mt. Hamilton was 18 miles. If I could get better heat dissipation and better modulation, I'd be fine with discs. I ride in the rain, too, so a perforated disc is also attractive, particularly on long descents.

Yeah, I can lock the front wheel on my /2, but that's not, IMHO, the measure of a good braking system. An ability to resist fade, wet weather and better modulation would be my goals for a disc setup.
Don't forget they're less aero too! Added weight. Added complexity. Slower.

What's NOT to like on a road bike?!

M
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Old 05-13-2013, 08:50 AM   #28578
kbasa
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Originally Posted by Gummee! View Post
Happens.

Some people get all weirded out by it. Me? If they don't say anything before latching on, its not my responsibility to point anything out. If they say 'howdy, etc' then I'll ride for all of us.

Chances are if something happens, its them going down. Guy in the front rarely has a problem with overlapped wheels.

My $.02

M
Same here. If I roll up on someone, I say something like "Hey, I'm back here, if you don't mind. I'm happy to take a pull up front, if you'd like."

If they don't say anything, well, then they're on their own back there.

Of course, this always presents the opportunity to try and drop them.
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Old 05-13-2013, 08:54 AM   #28579
Aurelius
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Quote:
Originally Posted by kbasa View Post
I think I'm attracted to them because we have long, long descents. The drop off of Mt. Hamilton was 18 miles. If I could get better heat dissipation and better modulation, I'd be fine with discs. I ride in the rain, too, so a perforated disc is also attractive, particularly on long descents.

Yeah, I can lock the front wheel on my /2, but that's not, IMHO, the measure of a good braking system. An ability to resist fade, wet weather and better modulation would be my goals for a disc setup.
I know what you mean. We've got some pretty serious climbs around here. Some of the hills have slopes of as much as 1%, and it's pretty scary coming down them.
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Old 05-13-2013, 08:54 AM   #28580
kbasa
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Originally Posted by Gummee! View Post
Don't forget they're less aero too! Added weight. Added complexity. Slower.

What's NOT to like on a road bike?!

M
Yeah, but I'm not racing; my objective is to be able to pedal efficiently at a pace I can manage for long periods of time. For the way I'm riding these days, I'm spending most of my day at 6mph climbing up some 6+% grade or dropping down the other side on my way to the next climb. Saturday's ride was unusual for us as the last 30 miles only had some smaller hills to get over, followed by about 5 or 6 miles of straight up flatland paceline work.

I'm riding 150 - 180 a week now, so I need a bike that's easy to ride for long periods. Let me say that brake fade on a 17% descent totally sucks, especially when it's a long technical descent like we get off of Mt. Diablo, Tam or Hamilton. I'll carry that weight up the hill to keep me on the hill on the descent.
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Old 05-13-2013, 08:55 AM   #28581
kbasa
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Originally Posted by Aurelius View Post
I know what you mean. We've got some pretty serious climbs around here. Some of the hills have slopes of as much as 1%, and it's pretty scary coming down them.
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Old 05-13-2013, 08:56 AM   #28582
fullmonte
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Quote:
Originally Posted by kbasa View Post
I think I'm attracted to them because we have long, long descents. The drop off of Mt. Hamilton was 18 miles. If I could get better heat dissipation and better modulation, I'd be fine with discs. I ride in the rain, too, so a perforated disc is also attractive, particularly on long descents.

Yeah, I can lock the front wheel on my /2, but that's not, IMHO, the measure of a good braking system. An ability to resist fade, wet weather and better modulation would be my goals for a disc setup.
Long descents and rain? I would recommend discs.
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Old 05-13-2013, 09:00 AM   #28583
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Quote:
Originally Posted by kbasa View Post
Yeah, but I'm not racing; my objective is to be able to pedal efficiently at a pace I can manage for long periods of time. For the way I'm riding these days, I'm spending most of my day at 6mph climbing up some 6+% grade or dropping down the other side on my way to the next climb. Saturday's ride was unusual for us as the last 30 miles only had some smaller hills to get over, followed by about 5 or 6 miles of straight up flatland paceline work.

I'm riding 150 - 180 a week now, so I need a bike that's easy to ride for long periods. Let me say that brake fade on a 17% descent totally sucks, especially when it's a long technical descent like we get off of Mt. Diablo, Tam or Hamilton. I'll carry that weight up the hill to keep me on the hill on the descent.
You need a Volagi or Roubaix or Synapse or the new C59

M
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Old 05-13-2013, 09:01 AM   #28584
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Originally Posted by fullmonte View Post
Long descents and rain? I would recommend discs.
Me too actually. Certainly NOT carbon clinchers.

M
(and yes, I know you're being sarcastic)
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Old 05-13-2013, 09:09 AM   #28585
fullmonte
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Originally Posted by Gummee! View Post
Me too actually. Certainly NOT carbon clinchers.

M
(and yes, I know you're being sarcastic)
Did you think I was referring to wheels and not brakes? Oops. The fatality and other bad crashes of the century ride a week ago had me thinking DISC BRAKES might have saved the day.
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"If you are looking for the typical ride to a restaurant, eat tacos, hold the middle finger over the food, stop and take a picture of a gravel road type ride, you probably won't be interested." - dlrides

"A guy I know was the lead researcher for the University of Utah federally funded study of cellphone and texting use while driving. He found that your twice as dangerous as a drunk while using your cell phone and I think it was up to six times worse if the driver was texting."-dakardad
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Old 05-13-2013, 09:16 AM   #28586
kbasa
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Quote:
Originally Posted by fullmonte View Post
Long descents and rain? I would recommend discs.
Yeah, definitely. The Volagi is really interesting to me. They're made in Santa Rosa, about a half hour from my house. I saw a guy riding one on the Grizzly Peak Century last week and he was talking about how he just loves it. He says that he can sail up to a corner and brake with greater finesse, which I thought was interesting. The seat stays on that bike are pretty spectacular, too. He had an earlier model, but was going to trade up for one of the new ones, just moving all his running gear over to the new frame.

It's kind of late in the season for me to swap bikes, given that I'm two months from the Death Ride, but I think a disc brake equipped bike, built more for endurance riding than racing, is going to be in my future. I love my Colnago Ace, don't get me wrong, but I feel like it's kind of like Triumph at the end of the 60s. Great stuff, but something big is going to change here really quickly. Maybe not next year, but likely the year after I'll be looking at a new bike. My decision will be whether to go with another CF bike or look at a custom fab titanium frame like a Seven, Strong or Moots. A guy on my team has a CF/Ti Seven and it's absolutely artwork. On the GPC, I saw a CF/Ti frame that had a latticework Ti toptube with a CF tube inserted inside of it. OMFG.
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Old 05-13-2013, 09:17 AM   #28587
kbasa
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Originally Posted by fullmonte View Post
Did you think I was referring to wheels and not brakes? Oops. The fatality and other bad crashes of the century ride a week ago had me thinking DISC BRAKES might have saved the day.
I've never felt like I had one whit of excess braking capacity, whether I was using the dual pivot Ultegras on my Trek or the Colnago double pivots on my Ace.
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Old 05-13-2013, 09:18 AM   #28588
Gummee!
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Originally Posted by fullmonte View Post
Did you think I was referring to wheels and not brakes? Oops. The fatality and other bad crashes of the century ride a week ago had me thinking DISC BRAKES might have saved the day.
Carbon rims are notoriously bad for braking in wet weather. Carbon clinchers used to essplode on long downhills. Manf got the resin thing right and they don't seem to do that as much any more

M
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Old 05-13-2013, 09:19 AM   #28589
zippy
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SRAM & Campy

I have taken the wheelset off the pistola and put them on the Roubaix. The wheelset is built on campy record hubs with a 10 speed cassette. The roubaix is SRAM apex. I noticed the drivetrain makes more noise now. I put the bike on the park stand and adjusted the rear derailleur in attempt to quiet things down. Still makes more noise than it did sram on sram. So my question is this -

Maybe get a new wipperman chain , hoping to quiet things down ?
Get the adapter to allow me to run sram cassette on this wheelset ?


anybody got experience with this ?
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Old 05-13-2013, 09:25 AM   #28590
k7
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Al Fritz, Inventor of the Sting-Ray Bike, Dies at 88

Link


Pop a wheelie of respect to Al -

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