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Search: Posts Made By: HTupolev
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Forum: Road Cycling
08-08-20, 03:13 PM
Replies: 38
Views: 823
Posted By HTupolev

To the right. Higher load needs more stiffness in...

To the right. Higher load needs more stiffness in a suspension system to create the same amount of vertical interaction. More pressure for the same sag, more force to create a given amount of...
Forum: Road Cycling
08-08-20, 02:25 PM
Replies: 38
Views: 823
Posted By HTupolev

Which is really the key thing. Most of the "we...

Which is really the key thing. Most of the "we did gravel just fine on 25mm racing tires back in the day" people make false assumptions about what different folks' gravel is like.


I really need...
08-06-20, 04:17 PM
Replies: 51
Views: 1,713
Posted By HTupolev

That's not "French fit," it's the result of...

That's not "French fit," it's the result of sticking a 5'3" rider on a road bike with 700c-sized wheels, a level top tube, and healthy clearances.
08-06-20, 12:52 PM
Replies: 15
Views: 345
Posted By HTupolev

Protection layers tend to increase rolling...

Protection layers tend to increase rolling resistance. Very tough layers tend to create very large increases in rolling resistance.

I haven't been around the "plus" gravelking casing, but it...
Forum: Road Cycling
08-05-20, 06:06 PM
Replies: 75
Views: 3,422
Posted By HTupolev

Right. And the devices that make accurate...

Right. And the devices that make accurate measurements of forces in bicycle drivetrains, for the purpose of calculating power, are power meters.
Forum: Road Cycling
08-05-20, 02:06 PM
Replies: 75
Views: 3,422
Posted By HTupolev

Cadence is important, but it's also something...

Cadence is important, but it's also something that people tend to figure out on their own. You can feel what your legs want to do.

The only common exception seems to be when cyclists convince...
08-05-20, 01:44 AM
Replies: 16
Views: 422
Posted By HTupolev

What's the actual inflated width of your tires,...

What's the actual inflated width of your tires, what's your bike+rider weight, and what are your road surfaces like?
Forum: Road Cycling
07-30-20, 07:16 PM
Replies: 50
Views: 1,700
Posted By HTupolev

Just wait until you get the email about someone...

Just wait until you get the email about someone taking your Local Legend title. Oh no!
07-30-20, 02:58 PM
Replies: 20
Views: 602
Posted By HTupolev

Depends on what you're going for. RX8 feel like...

Depends on what you're going for. RX8 feel like road shoes, both on and off the bike. If you're after stiff soles they're fantastic. They feel poor on foot, and it's difficult to coax much traction...
Forum: Road Cycling
07-28-20, 09:53 PM
Replies: 70
Views: 4,193
Posted By HTupolev

Most sounds are unwanted because they hint at...

Most sounds are unwanted because they hint at maintenance issues or similar problems. Freewheeling pawls don't, and some people like the sound. That's really all there is to it.

Not much different...
07-27-20, 09:43 PM
Replies: 25
Views: 755
Posted By HTupolev

Yes, easily. That crack is a serious stress...

Yes, easily. That crack is a serious stress riser. Even at fairly modest pedal forces, it'll gradually propagate itself and eventually break.
07-27-20, 01:15 PM
Replies: 38
Views: 879
Posted By HTupolev

I know a couple guys with Bacchetta high-racers...

I know a couple guys with Bacchetta high-racers who don't have tons of trouble on hills. The recumbents are somewhat heavier than their road bikes, so they do lose a bit on a consistent steep...
07-26-20, 07:51 PM
Replies: 15,843
Views: 1,634,121
Posted By HTupolev

Barn at the Centennial Trail north trailhead. ...

Barn at the Centennial Trail north trailhead.

https://i.imgur.com/q2fkBmp.jpg
07-26-20, 07:43 PM
Replies: 1,327
Views: 231,077
Posted By HTupolev

There's something majestic about coming across a...

There's something majestic about coming across a tower yarder at the top of a ridge. Like the foothill wants to be a tall ship.

https://i.imgur.com/2GV31Dc.jpg
Forum: Road Cycling
07-26-20, 04:22 PM
Replies: 36
Views: 892
Posted By HTupolev

The main limiting factor is going to be the frame...

The main limiting factor is going to be the frame and brakes, not the rims. There are some advantages to using wider rims with wider tires, but it's not a very hard requirement. Back in the early...
07-23-20, 08:44 PM
Replies: 89
Views: 2,656
Posted By HTupolev

The fastest way around a corner generally...

The fastest way around a corner generally involves braking as late as practical while hitting a good line. The faster you can come to a stop, the later you can brake. Then you spend less time...
07-23-20, 06:39 PM
Replies: 34
Views: 1,084
Posted By HTupolev

If your only goal was increasing front center,...

If your only goal was increasing front center, yes. Although at a certain point you start to run into difficulties of what bars and stems are available.

But if you're intentionally trying to use a...
07-23-20, 09:56 AM
Replies: 34
Views: 1,084
Posted By HTupolev

It's certainly a part of it. Another reason for...

It's certainly a part of it. Another reason for achieving high trail with a slack head angle is to create a large front-center, to keep the rider feeling "behind" rather than "over" the front wheel...
Forum: Road Cycling
07-23-20, 12:36 AM
Replies: 100
Views: 5,141
Posted By HTupolev

11-12-13-14-15 vs 11-13-15

11-12-13-14-15 vs 11-13-15
07-23-20, 12:22 AM
Replies: 34
Views: 1,084
Posted By HTupolev

A big part of it is that the wide stance on the...

A big part of it is that the wide stance on the handlebars gives the rider a ton of leverage on the steering. Geometries that are excessively weighty and floppy in road posture with 42cm drop bars...
Forum: Road Cycling
07-22-20, 11:48 PM
Replies: 14
Views: 629
Posted By HTupolev

Aero road bikes don't have similar geometry to TT...

Aero road bikes don't have similar geometry to TT bikes. They're road bikes, so they have geometries designed around drop handlebars and road fit. And the vast majority of the performance difference...
07-22-20, 06:36 PM
Replies: 89
Views: 2,656
Posted By HTupolev

Good stopping lets you spend more time going and...

Good stopping lets you spend more time going and less time stopping.
07-22-20, 01:58 PM
Replies: 45
Views: 1,798
Posted By HTupolev

Inertia works in both directions. A...

Inertia works in both directions. A higher-inertia object resists acceleration, but also resists deceleration.

Increasing mass does increase gravitational drag, but there's no micro-acceleration...
Forum: Touring
07-21-20, 02:59 AM
Replies: 57
Views: 2,438
Posted By HTupolev

The small ring in your photographs is definitely...

The small ring in your photographs is definitely not a 20-tooth. It looks like it's closer to somewhere in the 26T neighborhood.

Also, are you sure the big ring is a 45T and not a 46T? 45T is...
Forum: Road Cycling
07-20-20, 07:17 PM
Replies: 11
Views: 424
Posted By HTupolev

If it's an old-school single-wall rim, you'll...

If it's an old-school single-wall rim, you'll want a super-narrow strip that sits nicely within the center channel. Some of the cheap "rubber band" rim strips that LBSs carry are good for this, or...
07-20-20, 05:18 PM
Replies: 60
Views: 1,436
Posted By HTupolev

We might be visualizing this on difference...

We might be visualizing this on difference scales. I mean compared to someone who's tucked in on a fast road descent, where it takes a huge amount of braking force to get the rear wheel to rise....
07-20-20, 02:07 PM
Replies: 60
Views: 1,436
Posted By HTupolev

If you're going extremely slow and upright while...

If you're going extremely slow and upright while grabbing a fistful of brake, it's possible to rotate the system forward and bring the front wheel to a stop by the time you're pitched off the...
07-20-20, 12:22 PM
Replies: 712
Views: 151,510
Posted By HTupolev

Not quite. It's been sitting around...

Not quite. It's been sitting around half-finished.


Technomic-series stems do as well, although they use a normal hex nut rather than the specially-shaped nut on the Pearl/NP.
Forum: Road Cycling
07-20-20, 11:59 AM
Replies: 153
Views: 7,160
Posted By HTupolev

Probably a fairly steep road, but not entirely...

Probably a fairly steep road, but not entirely unheard of.

500W would be just over 7W/kg for a 70kg cyclist, and on a road racing bike, that rider would be looking at 12mph on something like a...
Forum: Road Cycling
07-20-20, 12:02 AM
Replies: 62
Views: 2,231
Posted By HTupolev

I actually haven't been up there. I've seen...

I actually haven't been up there. I've seen people use it as part of a Rockport-Darrington connection, which seems pretty awesome. A ride out of Darrington over Segelson and back via North Mountain...
07-19-20, 11:34 PM
Replies: 712
Views: 151,510
Posted By HTupolev

I've dealing with some creaks recently, and I...

I've dealing with some creaks recently, and I think the stem is the culprit. I'm also slightly lengthening the stem reach and switching to a shorter-reach bar to try and open up some leg room at the...
07-19-20, 08:26 PM
Replies: 10
Views: 426
Posted By HTupolev

V-brake setups typically have a large amount of...

V-brake setups typically have a large amount of leverage, so the pads need to be set extremely close to the rims in order to ensure that the brake pads can get good engagement before the brake lever...
Forum: Road Cycling
07-19-20, 04:56 PM
Replies: 62
Views: 2,231
Posted By HTupolev

Mechanical advantage was generally lower, but the...

Mechanical advantage was generally lower, but the characteristics could be decent if things were set up well. One problem is that lots of well-designed brakes prior to the last few decades used...
07-19-20, 03:46 PM
Replies: 60
Views: 1,436
Posted By HTupolev

Your advice works because the issue you're...

Your advice works because the issue you're solving isn't wheel lockup. If there was some sort of instant-stiction phenomenon happening between the pads and rim (or pads and rotor), shifting the...
07-19-20, 02:37 PM
Replies: 60
Views: 1,436
Posted By HTupolev

There's no mysterious mechanism at play, if...

There's no mysterious mechanism at play, if that's what you're asking. Aside from a hard mechanical blockage like throwing a stick into your spokes, wheels don't just "lock up."

If you brake hard...
Forum: Road Cycling
07-19-20, 04:12 AM
Replies: 62
Views: 2,231
Posted By HTupolev

For new OEM products in 2020, yes. My point is...

For new OEM products in 2020, yes. My point is that this is more an issue of fashion than technology. A few decades ago it was totally normal for rim brakes to accept 32mm tires with healthy...
Forum: Road Cycling
07-19-20, 03:34 AM
Replies: 62
Views: 2,231
Posted By HTupolev

Yes they did. The technology to make lightweight,...

Yes they did. The technology to make lightweight, stiff rim brakes that can handle large (up to around 2") tires has been available since at least the 1930s. The gravel cyclists of that era put a ton...
Forum: Road Cycling
07-18-20, 10:01 PM
Replies: 100
Views: 5,141
Posted By HTupolev

You didn't word your point wrong, I addressed the...

You didn't word your point wrong, I addressed the issue of max cog size in my post. Even though racing derailleurs were limited to smaller max cogs than today's models, this did not restrict them to...
Forum: Road Cycling
07-18-20, 06:50 PM
Replies: 8
Views: 559
Posted By HTupolev

Local Legend is how Strava tries to embarrass you...

Local Legend is how Strava tries to embarrass you for riding a segment too often.
Forum: Road Cycling
07-17-20, 11:15 PM
Replies: 100
Views: 5,141
Posted By HTupolev

Racing derailleurs back then were limited to a...

Racing derailleurs back then were limited to a much narrower overall range, but not to tight spacing from cog to cog. For example, nearly all of them circa 1970 could handle at least a 24T cog; a...
Forum: Road Cycling
07-17-20, 08:16 PM
Replies: 100
Views: 5,141
Posted By HTupolev

Even when bikes only had 5 cogs in back, and any...

Even when bikes only had 5 cogs in back, and any ratios came at a premium, racers still demanded tight gear spacing. To accommodate different rider's gear-spacing preferences, loads of freewheels...
Forum: Road Cycling
07-17-20, 08:09 PM
Replies: 16,131
Views: 320,488
Posted By HTupolev

Strawberry-rhubarb ruins both the strawberry and...

Strawberry-rhubarb ruins both the strawberry and the rhubarb. It blunts the lively rhubarb flavor and mushes the strawberry texture. I wouldn't say it's bad per se, but it's bland and mildly...
07-17-20, 12:20 AM
Replies: 9
Views: 906
Posted By HTupolev

Depends on you and the trails. Some...

Depends on you and the trails.

Some well-regarded gravel bikes, like the Open UP, have what's basically a traditional road geometry. It can be just fine as long as things aren't too technical.
...
Forum: Road Cycling
07-16-20, 04:47 PM
Replies: 100
Views: 5,141
Posted By HTupolev

Sure, but there's an important question about how...

Sure, but there's an important question about how best to achieve adequately low gearing. If you prefer tighter spacing and don't need such a high top gear, for example, reducing the size of the...
Forum: Road Cycling
07-16-20, 02:23 PM
Replies: 153
Views: 7,160
Posted By HTupolev

If the bike actually fits reasonably well, and if...

If the bike actually fits reasonably well, and if the geometry doesn't obstruct your wrist on one side from accessing the downtube shifter on the opposite side, you'd generally have no problems using...
07-15-20, 03:25 PM
Replies: 45
Views: 1,798
Posted By HTupolev

In a road context, "climbing bike" doesn't refer...

In a road context, "climbing bike" doesn't refer to the gear ratios, it's a marketing term to distinguish framesets that are less optimized toward aerodynamics than "aero bikes." This tends to result...
07-13-20, 02:07 AM
Replies: 12
Views: 991
Posted By HTupolev

Here's a recent paved solo road ride I did on my...

Here's a recent paved solo road ride I did on my gravel bike with its supple 53mm tires:

https://i.imgur.com/lqh4QVF.png

20.6mph is about 33kph. Does that mean that my tires are 32% faster than...
Forum: Road Cycling
07-13-20, 01:03 AM
Replies: 2
Views: 321
Posted By HTupolev

If it fits you and is in reasonable working...

If it fits you and is in reasonable working order, that actually seems extremely reasonable for the current inflated bicycle market. The biggest caveat is probably that, if you don't end up liking...
07-12-20, 10:55 PM
Replies: 12
Views: 991
Posted By HTupolev

Marathon Plus Tours are bombproof and will...

Marathon Plus Tours are bombproof and will basically get the job done, but they are extremely slow on the road.
07-12-20, 12:42 AM
Replies: 50
Views: 10,579
Posted By HTupolev

If those numbers are real, and if there wasn't...

If those numbers are real, and if there wasn't treacherous wind on that day, I'd be shocked if a large majority of the speed difference wasn't due to changes in racing strategy.

I routinely ride...
Showing results 1 to 50 of 1000
 


 
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