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Search: Posts Made By: HTupolev
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Forum: Road Cycling
09-27-21, 08:12 PM
Replies: 10
Views: 407
Posted By HTupolev

Probably not that many people. The stock...

Probably not that many people.

The stock rims on my '79 Fuji, which came with 28mm tires, had an internal width of about 17mm. That was not wide at the time: in that decade, a lot of the rims used...
09-24-21, 03:26 PM
Replies: 9
Views: 303
Posted By HTupolev

The risk here is of an unpredictable blowout....

The risk here is of an unpredictable blowout. What you're doing is something that I'd recommend against in general, but at any rate, using the front tire as your test run seems backwards.
Forum: Road Cycling
09-23-21, 01:28 AM
Replies: 10
Views: 407
Posted By HTupolev

The current rims on my '83 Miyata are Sun M13II...

The current rims on my '83 Miyata are Sun M13II with an internal width of 13mm, and I'm using Panaracer Pasela tires with a nominal width of 28mm on them. Actual inflated tire width for this rim/tire...
Forum: Road Cycling
09-22-21, 02:15 PM
Replies: 237
Views: 6,376
Posted By HTupolev

How often do your bike fronts break!?

How often do your bike fronts break!?
Forum: Road Cycling
09-22-21, 02:01 PM
Replies: 237
Views: 6,376
Posted By HTupolev

There is nothing magical about front brakes that...

There is nothing magical about front brakes that causes people to go over the handlebars. In terms of how the center-of-mass gets pitched around relative to the bike, whether braking is front or rear...
Forum: Road Cycling
09-21-21, 11:58 AM
Replies: 237
Views: 6,376
Posted By HTupolev

They used to sell an 11-pound bike with rim...

They used to sell an 11-pound bike with rim brakes, the Emonda SLR 10.

The Emonda ALR 5 I bought in 2015 had an inflation-adjusted price of around $1900 in 2021 USD. A current-generation Emonda...
Forum: Road Cycling
09-21-21, 01:51 AM
Replies: 34
Views: 989
Posted By HTupolev

I don't doubt it. I'm actually in a similar boat:...

I don't doubt it. I'm actually in a similar boat: I don't get toe overlap on either of my vintage steel road bikes, but there's a bit of it on my modern road bike. My point was simply that this...
09-20-21, 12:59 PM
Replies: 40
Views: 907
Posted By HTupolev

Yes, it started to squeak, which got worse and...

Yes, it started to squeak, which got worse and worse. It was a windy day, so normal healthy chain whir wasn't very audible anyway.
09-20-21, 10:07 AM
Replies: 40
Views: 907
Posted By HTupolev

Hard to properly compare without testing in the...

Hard to properly compare without testing in the same environment. Different places have gunk that affects exposed surfaces in different ways, like how those of us from the Pacific Northwest are...
Forum: Road Cycling
09-19-21, 10:35 PM
Replies: 34
Views: 989
Posted By HTupolev

Pretty much all road bike forks, vintage and...

Pretty much all road bike forks, vintage and modern, have the front wheel axle offset forward of the steering axis. It's just visually subtler on modern forks because the tubing is a lot wider and...
09-18-21, 01:31 AM
Replies: 14
Views: 438
Posted By HTupolev

Well, something is definitely amiss. You're...

Well, something is definitely amiss. You're claiming that the first bike has around a third of a percent greater gear inches than the second bike, yet somehow simultaneously has nearly seven percent...
Forum: Road Cycling
09-17-21, 01:06 AM
Replies: 21
Views: 702
Posted By HTupolev

Running 28s is a perfectly reasonable option, but...

Running 28s is a perfectly reasonable option, but if you're not actually bottoming out running 25s at 60/65, then you're probably fine doing that as well.

On 25mm tires on your body weight, for...
09-16-21, 01:57 AM
Replies: 17,896
Views: 2,003,937
Posted By HTupolev

Crescent Lake Road, looking East. A bridge over...

Crescent Lake Road, looking East. A bridge over the Snoqualmie river is just behind the shot.

https://i.imgur.com/Yqp6H6k.jpg

Under some trees.

https://i.imgur.com/WDU1AGf.jpg
09-15-21, 07:07 PM
Replies: 65
Views: 1,365
Posted By HTupolev

I ate two bananas after my ride today.

I ate two bananas after my ride today.
Forum: Road Cycling
09-12-21, 05:58 PM
Replies: 22
Views: 968
Posted By HTupolev

Yes. I didn't realize that you'd have any issues...

Yes. I didn't realize that you'd have any issues with that.
Forum: Road Cycling
09-12-21, 05:33 PM
Replies: 22
Views: 968
Posted By HTupolev

If you're talking about modern gravel tires,...

If you're talking about modern gravel tires, sure. But in your OP, you wrote "30mm+." Tons of quality vintage steel road frames can fit that no problem, especially if you're looking at early 1980s...
Forum: Road Cycling
09-11-21, 02:57 PM
Replies: 22
Views: 968
Posted By HTupolev

Why not? If what you're after is the feel of the...

Why not? If what you're after is the feel of the older bikes, the easiest way to nail that is to use an older bike as a base. Modern steel often uses wider tubing and ends up a lot stiffer.

In...
Forum: Road Cycling
09-11-21, 08:43 AM
Replies: 18
Views: 569
Posted By HTupolev

Yes, but the double-shifts aren't actually that...

Yes, but the double-shifts aren't actually that bad: the 10-tooth front shift is substantially snappier and less disruptive than a shift on a wide-range double, and the compensatory rear shifts are...
Forum: Road Cycling
09-11-21, 02:46 AM
Replies: 18
Views: 569
Posted By HTupolev

If we're talking about full reconfiguration with...

If we're talking about full reconfiguration with a crank swap, here's my gravel bike's 3x8 drivetrain with 48-38-24 chainrings and a standard Shimano 11-13-15-18-21-24-28-32 cassette:
...
Forum: Road Cycling
09-10-21, 01:04 PM
Replies: 18
Views: 569
Posted By HTupolev

That's a range where most people are losing a...

That's a range where most people are losing a tangible amount of performance. If you're frequenting this hill, you'd likely benefit from substantially lower gears.


If you didn't resize your...
09-09-21, 11:20 PM
Replies: 6
Views: 194
Posted By HTupolev

Usually freewheel play is in the freewheel's...

Usually freewheel play is in the freewheel's bearings, not on the threading where the freewheel mounts to the hub.
09-08-21, 08:25 PM
Replies: 70
Views: 2,389
Posted By HTupolev

​​ CXP-22 is only 15mm internal, which is...

​​
CXP-22 is only 15mm internal, which is extremely narrow by current standards: most tire manufacturers today are labeling nominal width assuming a wider rim than that. The Rene Herse website...
09-07-21, 04:09 PM
Replies: 1,555
Views: 305,291
Posted By HTupolev

Above the Pilchuck River valley. ...

Above the Pilchuck River valley.

https://i.imgur.com/XEBOJV2.jpg

https://i.imgur.com/9UhKbQ2.jpg

Culmback Dam and Spada Lake.

https://i.imgur.com/FNcvNfM.jpg
08-31-21, 08:48 PM
Replies: 17,896
Views: 2,003,937
Posted By HTupolev

Up the Snohomish County Centennial Trail to the...

Up the Snohomish County Centennial Trail to the Nakashima Barn.

https://i.imgur.com/2vuvCLi.jpg
08-30-21, 11:17 AM
Replies: 70
Views: 2,389
Posted By HTupolev

For paved road riding, suppler is generally...

For paved road riding, suppler is generally better for ride quality. Tire quality can matter for this somewhat, but the really big factor is tire style. Tires with a performance-oriented construction...
08-29-21, 08:31 PM
Replies: 11
Views: 487
Posted By HTupolev

Weight differences between road bikes tend to...

Weight differences between road bikes tend to have a pretty subtle impact on overall performance, it's not surprising that the weight doesn't correlate to the performance difference.

In your...
08-29-21, 07:50 PM
Replies: 73
Views: 1,845
Posted By HTupolev

Hmm... my 80s road bike isn't bad, but my modern...

Hmm... my 80s road bike isn't bad, but my modern road bike and my 70's road bike are better.
08-27-21, 08:26 PM
Replies: 27
Views: 1,479
Posted By HTupolev

Not it's not, at least not for the vast majority...

Not it's not, at least not for the vast majority of people. You'd have to have a severe balance issue for 16-18 gear inches to directly pose an issue.


The OP said they're trying to ride a loaded...
Forum: Road Cycling
08-25-21, 06:07 PM
Replies: 17
Views: 663
Posted By HTupolev

Yes. It's only in serious gravel riding that...

Yes. It's only in serious gravel riding that you'll come across grit that's specially designed to minimize added drivetrain wear.
08-25-21, 04:24 PM
Replies: 56
Views: 1,987
Posted By HTupolev

If you're trying to maximize performance over a...

If you're trying to maximize performance over a longer effort, it's best to pedal through the top so that you're at least getting quickly to the descent. A small amount of extra effort can save a lot...
08-25-21, 11:36 AM
Replies: 231
Views: 6,535
Posted By HTupolev

No. For the same applied forces, a stiffer spring...

No. For the same applied forces, a stiffer spring in the middle of a power train tends to absorb less energy than a flexier spring. This is because work is force integrated over distance, and a...
08-24-21, 02:54 PM
Replies: 231
Views: 6,535
Posted By HTupolev

Eddy Merckx wasn't anywhere in that remote...

Eddy Merckx wasn't anywhere in that remote ballpark. Even a really big guy on a fairly upright fit running beefy touring tires could smash Merckx's record if he could put out 800W for an hour.
...
08-24-21, 12:16 PM
Replies: 231
Views: 6,535
Posted By HTupolev

No. The claims around "planing" are not at all...

No. The claims around "planing" are not at all explained by a description for why losses might be minimized. "Planing" is a notion that requires frame flex to affect the output at the riders' legs,...
08-23-21, 10:51 PM
Replies: 12
Views: 411
Posted By HTupolev

Even grinding away at 50rpm, a 30-42 gear on 40mm...

Even grinding away at 50rpm, a 30-42 gear on 40mm 700c tires is nearly 3mph. That's an awkward speed to ride at on flat ground when you're not getting any back-force from the pedals to balance your...
08-23-21, 09:52 PM
Replies: 12
Views: 411
Posted By HTupolev

What derailleur were you thinking of changing to?...

What derailleur were you thinking of changing to? The RD-RX810 that's on your bike already is (along with the RD-RX400) just about the highest-capacity rear derailleur that Shimano makes for their...
Forum: Road Cycling
08-23-21, 12:23 AM
Replies: 65
Views: 2,958
Posted By HTupolev

Today's Sora launched more than five years ago.

Today's Sora launched more than five years ago.
Forum: Road Cycling
08-22-21, 10:14 PM
Replies: 39
Views: 1,421
Posted By HTupolev

As pertains this discussion, the issue with their...

As pertains this discussion, the issue with their test method isn't that it was wonky, but that they were measuring something different from what I was making a claim about. I was comparing frameset...
08-22-21, 09:50 PM
Replies: 68
Views: 2,997
Posted By HTupolev

Same. As performance-oriented road tires go, Rene...

Same. As performance-oriented road tires go, Rene Herse slicks aren't unusually minimalist on tread rubber. The ELs are typically around 3mm thick at centerline when new, and that's almost entirely...
Forum: Road Cycling
08-22-21, 07:57 PM
Replies: 39
Views: 1,421
Posted By HTupolev

Not necessarily. It's an aerodynamic brick, but...

Not necessarily. It's an aerodynamic brick, but in my case it wasn't that expensive, since I have the 105-equipped aluminum-framed model from before the disc price boost. Obviously in this comparison...
Forum: Road Cycling
08-22-21, 06:41 PM
Replies: 39
Views: 1,421
Posted By HTupolev

What all is failed? Having a spare bike isn't...

What all is failed? Having a spare bike isn't necessarily a bad idea, especially if you can leave it on a trainer.


Hard to say. Geometrically, what's important is that the bike fits and that you...
08-19-21, 02:41 AM
Replies: 12
Views: 627
Posted By HTupolev

How much experience do you have actually riding...

How much experience do you have actually riding these kinds of systems?

Several of my friends have near-identical fit to myself. When I've hopped on their bikes with these kinds of setups, they...
08-18-21, 10:54 AM
Replies: 12
Views: 627
Posted By HTupolev

That's a misleading way to frame the difference....

That's a misleading way to frame the difference. What matters is the ratio between two gears, since that's what's proportional to the impact that the change has on your torque and cadence. 3 gear...
08-17-21, 09:17 PM
Replies: 77
Views: 2,946
Posted By HTupolev

If you're after function and considering a Rally,...

If you're after function and considering a Rally, a Shimano Crane GS is probably a better choice. The early Rallys are basically a knock-off of the Crane GS: they look nice, but the Shimano original...
08-17-21, 11:02 AM
Replies: 16
Views: 414
Posted By HTupolev

The high pressures and low speeds of bicycle...

The high pressures and low speeds of bicycle tires make hydroplaning basically impossible regardless of tread pattern.
08-17-21, 10:36 AM
Replies: 7
Views: 580
Posted By HTupolev

Probably just Shimano going a bit overboard in...

Probably just Shimano going a bit overboard in contaminating specifications across components that they market as being related to one another; they wanted people to only use those wheels for road...
08-17-21, 01:31 AM
Replies: 25
Views: 1,320
Posted By HTupolev

I totally agree. My objection was specifically to...

I totally agree. My objection was specifically to this...

...which implies that "asphalt" and "tarmac" are equivalent terms to "paved road." They are not, even if by "paved road" we're talking...
Forum: Road Cycling
08-17-21, 01:27 AM
Replies: 7
Views: 635
Posted By HTupolev

Back pain is fairly common in the pro peloton, if...

Back pain is fairly common in the pro peloton, if racer surveys are to be believed.
08-17-21, 01:12 AM
Replies: 25
Views: 1,320
Posted By HTupolev

I'm not especially familiar with the uses of...

I'm not especially familiar with the uses of "tarmac" as applied to road surfaces, but at least where I am in the US, "asphalt" is not a catch-all for sealed paved surfaces. It refers specifically to...
08-16-21, 10:11 PM
Replies: 16
Views: 414
Posted By HTupolev

Yes, but if the tire doesn't have a label on the...

Yes, but if the tire doesn't have a label on the other side, the other orientation is also backwards.
08-16-21, 08:35 PM
Replies: 30
Views: 978
Posted By HTupolev

You can also offset modern cartridge bottom...

You can also offset modern cartridge bottom brackets with a spacer on the drive-side cup, especially those that use an unflanged non-drive-side cup.


How would setting it up as a double make...
Showing results 1 to 50 of 1000
 


 
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