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Search: Posts Made By: HTupolev
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06-24-19, 12:04 PM
Replies: 8
Views: 121
Posted By HTupolev

I'd prefer those rubber bands over Velox. I...

I'd prefer those rubber bands over Velox. I haven't been impressed by cotton cloth rim tapes; they wear through faster than other strips under pressure, they're prone to slipping on the rim bed, they...
Forum: Road Cycling
06-21-19, 02:32 PM
Replies: 38
Views: 2,136
Posted By HTupolev

No, I would say that it makes a real difference...

No, I would say that it makes a real difference to cadence for non-psychology reasons, but that this difference is extremely tiny for the crank length differences that we're discussing.

[/COLOR]...
Forum: Road Cycling
06-21-19, 12:45 PM
Replies: 38
Views: 2,136
Posted By HTupolev

Torque and force are proportional, for a given...

Torque and force are proportional, for a given crank length. Shorter cranks mean more force to produce a given torque.

How torque and force relate to each other with crank length is analogous to...
Forum: Road Cycling
06-21-19, 10:57 AM
Replies: 38
Views: 2,136
Posted By HTupolev

Controlling the balance between force and the...

Controlling the balance between force and the amount of leg movement is why gearing exists at all. Force is never a "red herring" in a discussion of how people self-select gears on their bicycle.

...
Forum: Road Cycling
06-21-19, 03:08 AM
Replies: 38
Views: 2,136
Posted By HTupolev

Cadence can be affected by crank length. Shorter...

Cadence can be affected by crank length. Shorter cranks mean less leg movement for each revolution, and also increase the amount of force required to turn a given cadence and a given power output, so...
06-20-19, 09:10 PM
Replies: 23
Views: 1,180
Posted By HTupolev

The pedal was fine, it was the cleat that was...

The pedal was fine, it was the cleat that was gunked up. I did stop to clear it out, it was hard to get it properly de-gunked and it also got chewed up from the ordeal. I ended up just replacing it...
06-20-19, 07:46 PM
Replies: 1
Views: 289
Posted By HTupolev

What specific tires are you running?

What specific tires are you running?
06-20-19, 01:51 PM
Replies: 23
Views: 1,180
Posted By HTupolev

That's what I was thinking when I first put my...

That's what I was thinking when I first put my gravel bike together in 2017, especially since the regional gravel riding doesn't tend to get muddy. On the very first gravel ride with SPD-SL, I spent...
06-20-19, 11:56 AM
Replies: 7
Views: 584
Posted By HTupolev

In terms of what's actually getting used on the...

In terms of what's actually getting used on the road, I think they have. I see tons of people on road bikes with 32T and 34T big cogs on 11-speed drivetrains these days. A 46-30 11-36 would be 500%,...
Forum: Road Cycling
06-19-19, 12:22 PM
Replies: 586
Views: 35,285
Posted By HTupolev

If you're building for aero, no. To help airflow...

If you're building for aero, no. To help airflow from the tire get recaptured by the rim in as many conditions as possible, it's beneficial for the rim to be wider than the tire.
06-19-19, 12:00 PM
Replies: 7
Views: 584
Posted By HTupolev

An average step size of 15.7%. Not a problem on...

An average step size of 15.7%. Not a problem on technical stuff, massively annoying for a lot of people on non-technical stuff.


The alternative 2x setup at that point will also have 14 gears in...
Forum: Road Cycling
06-18-19, 08:36 PM
Replies: 62
Views: 2,578
Posted By HTupolev

then you'd be wrong. While aero gains are...

then you'd be wrong.

While aero gains are generally made less significant by draft, they still exist. And the benefits of "aero" equipment are often biggest under significant crosswinds, which is...
06-17-19, 05:29 PM
Replies: 7
Views: 579
Posted By HTupolev

Width and knobs are two completely unrelated...

Width and knobs are two completely unrelated considerations that have little to do with each other. A skinny knobby is not a substitute for a fat slick or vise versa.

Wide tires can afford lower...
06-17-19, 04:05 PM
Replies: 9
Views: 629
Posted By HTupolev

There's a lot of variability in rim brakes. For...

There's a lot of variability in rim brakes. For dry road riding, I haven't found discs to offer any tangible braking advantage over my best rim brakes.

If the rim braking is a bit spongey, make...
06-17-19, 03:52 PM
Replies: 26
Views: 994
Posted By HTupolev

Why not just wax the chain in a crock pot?...

Why not just wax the chain in a crock pot? That'll achieve a much longer-lasting and lower-friction coating, and it's hardly more trouble than manually shaving and mixing solvent-based wax lube.
...
Forum: Road Cycling
06-17-19, 03:26 PM
Replies: 62
Views: 2,578
Posted By HTupolev

If I feel like I'm not doing enough work in a...

If I feel like I'm not doing enough work in a group ride, I can take longer pulls, or race up climbs, or whatever. Exertion is much more down to how hard I want to work, than to the bike I'm riding....
Forum: Road Cycling
06-16-19, 12:33 AM
Replies: 65
Views: 2,990
Posted By HTupolev

Outside of chain lube, how? I hear all kinds...

Outside of chain lube, how?

I hear all kinds of horror stories about the damage of riding in the rain, but most of it seems like nonsense.
One of my bikes is a 1979 Fuji America, originally my...
Forum: Road Cycling
06-14-19, 11:34 PM
Replies: 66
Views: 3,960
Posted By HTupolev

If you're riding surfaces other than smooth...

If you're riding surfaces other than smooth asphalt, that's probably overinflated.
Forum: Road Cycling
06-13-19, 07:55 PM
Replies: 43
Views: 2,790
Posted By HTupolev

Barely. That's right at the top of Washington...

Barely. That's right at the top of Washington Pass. There would have been only a brief moment of downhill to get to that photo; there's half an hour of downhill beyond.
Forum: Road Cycling
06-13-19, 05:08 PM
Replies: 66
Views: 3,960
Posted By HTupolev

Do not do this. The spring rate of a wheel...

Do not do this.

The spring rate of a wheel doesn't change significantly with spoke tension. In order to appreciably increase the compliance of a wheel, you'd need to basically run the spokes...
Forum: Road Cycling
06-12-19, 09:39 PM
Replies: 79
Views: 6,607
Posted By HTupolev

You don't attach the brake levers. You just hold...

You don't attach the brake levers. You just hold them in your hands.
Forum: Road Cycling
06-11-19, 03:36 PM
Replies: 23
Views: 1,107
Posted By HTupolev

High rolling resistance. They're not as bad as...

High rolling resistance. They're not as bad as super-beefy touring tires, but they're not a fast tire. Frankly their puncture-protection layer doesn't work all that well anyway... they're tougher...
06-10-19, 10:54 AM
Replies: 94
Views: 5,145
Posted By HTupolev

What I was getting at with the comment about...

What I was getting at with the comment about "crazy" setups, and about where pins and ramps help, is that this is very contingent on the particular gearing arrangement. I've got several bikes with...
06-10-19, 12:26 AM
Replies: 94
Views: 5,145
Posted By HTupolev

This:

This:
Forum: Touring
06-09-19, 11:42 PM
Replies: 23
Views: 1,551
Posted By HTupolev

So I just impulsively made plans for a 6-day tour...

So I just impulsively made plans for a 6-day tour starting in a few weeks. I probably bit off more than I can chew as far as mileage goes, but whatever. It'll work out, maybe, hopefully.

I'm...
Forum: Road Cycling
06-09-19, 11:18 PM
Replies: 23
Views: 1,107
Posted By HTupolev

There's never a need. What is "need" anyway? If...

There's never a need. What is "need" anyway? If you're not competing professionally, then what are your "needs?" Even in fairly elite amateur racing, a prime sprint might win you a pair of socks, and...
06-09-19, 10:05 PM
Replies: 94
Views: 5,145
Posted By HTupolev

Depends on the ride, but there have been times...

Depends on the ride, but there have been times where I wanted a lot more than that.

The 305% range on my 70s Fuji was mostly adequate for yesterday's ride, since even though it was very long, it...
06-09-19, 09:39 PM
Replies: 94
Views: 5,145
Posted By HTupolev

I dunno, things like "rub" get mentioned a lot...

I dunno, things like "rub" get mentioned a lot which makes no sense in a friction-shifted context. And if you get much before 1990, there's almost nothing triple-specific going on, since neither...
06-07-19, 10:27 PM
Replies: 10
Views: 631
Posted By HTupolev

Bits of metal in the pads is pretty normal. Clean...

Bits of metal in the pads is pretty normal. Clean it frequently to ensure good braking performance and longer pad and rim life.


Kool Stop Salmon pads are pretty good about not picking very much...
06-07-19, 12:28 AM
Replies: 16
Views: 406
Posted By HTupolev

It definitely looks like it. Here's the one on my...

It definitely looks like it. Here's the one on my 1979 Fuji America:

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

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

These photos are from 2016, when I had it set up with its...
Forum: Road Cycling
06-06-19, 02:33 PM
Replies: 24
Views: 1,556
Posted By HTupolev

Chipseal comfort issues? How big of a tire...

Chipseal comfort issues?

How big of a tire are you running in the Bianchi, how big of a tire can you safely fit, what pressures are you running, and what do you weigh?
Forum: Road Cycling
06-05-19, 03:01 PM
Replies: 129
Views: 8,201
Posted By HTupolev

0 bpm? The only reasonable conclusion here...

0 bpm?

The only reasonable conclusion here is that zombies deliver more power on crabon bikes. I have no idea what this implies about the living.
06-05-19, 02:46 PM
Replies: 94
Views: 5,145
Posted By HTupolev

That's one of the reasons, but also a somewhat...

That's one of the reasons, but also a somewhat annoying one since Q-factor on modern cranks is usually wider than it needs to be. Modern road triples usually have a Q of about 160mm, but most road...
06-05-19, 02:10 PM
Replies: 94
Views: 5,145
Posted By HTupolev

Because the front jumps are typically smaller on...

Because the front jumps are typically smaller on a triple, finding the intended "next" gear usually requires much less compensatory double-shifting. Sometimes, when I want a big shift, I'll even just...
Forum: Road Cycling
05-30-19, 03:02 AM
Replies: 28
Views: 1,761
Posted By HTupolev

You're asking the wrong questions. People try to...

You're asking the wrong questions. People try to ride as aggressively as they want to ride.

If you're trying to ride in a really aggressive posture, and your bars are too high to where you're...
05-26-19, 01:16 AM
Replies: 39
Views: 1,599
Posted By HTupolev

Dye them black.

Dye them black.
05-26-19, 01:11 AM
Replies: 104
Views: 9,900
Posted By HTupolev

What's a "fast group," even? I'm not sure that I...

What's a "fast group," even? I'm not sure that I know anyone who considers themselves fast. A fast group seems to be a ride that a rider has a hard time hanging with.
05-22-19, 03:04 PM
Replies: 271
Views: 20,635
Posted By HTupolev

Maybe Cannondale considered their bicycles to be...

Maybe Cannondale considered their bicycles to be functionally equivalent to Schwinn Varsities.
05-21-19, 04:00 PM
Replies: 271
Views: 20,635
Posted By HTupolev

Sure, but that would be an extremely silly...

Sure, but that would be an extremely silly comparison. Such a frame would be three times stiffer than the aluminum frame.
05-21-19, 03:23 PM
Replies: 19
Views: 1,620
Posted By HTupolev

The late 1980s was when the narrow tire fad...

The late 1980s was when the narrow tire fad struck hard. Even though your tires are labelled 25mm, it's possible that they measured closer to 20mm.

If you can't fit 23s, then unfortunately your...
05-21-19, 12:46 AM
Replies: 271
Views: 20,635
Posted By HTupolev

Frame material doesn't tell you a whole lot about...

Frame material doesn't tell you a whole lot about how a bike will feel. Nor is "feel sluggish" even a particularly specific concern: are we talking about weighty or floppy handling, or pedal...
05-20-19, 08:14 PM
Replies: 44
Views: 1,712
Posted By HTupolev

Looks like I missed the Fuji thread. Last...

Looks like I missed the Fuji thread.

Last week I repacked the headset bearings on my 1979 America. As far as I know, the balls and grease that were in there were original. 40 years is a reasonable...
05-20-19, 08:02 PM
Replies: 28
Views: 918
Posted By HTupolev

What particular tires are you using? My...

What particular tires are you using? My bike+rider weight is 200lbs, and I tend to do 40r/35f in my Rat Trap Pass ELs even for smooth road rides. Much more PSI than that, and their lively undamped...
05-20-19, 07:03 PM
Replies: 24
Views: 1,067
Posted By HTupolev

It's a 1984 Stumpjumper. The tires are 26ers,...

It's a 1984 Stumpjumper. The tires are 26ers, just like the bike had originally. Switching to 650b would have reduced my tire clearance, and made brake setup more challenging (the posts for mounting...
05-20-19, 06:40 PM
Replies: 24
Views: 1,067
Posted By HTupolev

Refer to this...

Refer to this (https://www.bikeforums.net/classic-vintage/828426-show-your-vintage-mtb-drop-bar-conversions.html) thread.

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

https://i.imgur.com/GxI1bjn.jpg
05-20-19, 06:19 PM
Replies: 28
Views: 918
Posted By HTupolev

The Rhyno Lites are pretty narrow, 22mm internal....

The Rhyno Lites are pretty narrow, 22mm internal. The DM30s are around 25mm.
05-20-19, 06:04 PM
Replies: 28
Views: 918
Posted By HTupolev

I've got them on my gravel bike. I've found them...

I've got them on my gravel bike. I've found them to be a generally phenomenal dry mixed-surface tire.

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

Pretty darn fast on the road, and competent on just about...
05-20-19, 12:18 PM
Replies: 271
Views: 20,635
Posted By HTupolev

Carbon frames are literally made of a...

Carbon frames are literally made of a fiber-reinforced plastic.
Forum: Road Cycling
05-18-19, 09:26 AM
Replies: 2
Views: 499
Posted By HTupolev

Throw a friction shifter at it.

Throw a friction shifter at it.
05-16-19, 05:49 PM
Replies: 28
Views: 1,674
Posted By HTupolev

I'm talking about spray that gets flung off the...

I'm talking about spray that gets flung off the top of the tire, after it moves beyond the front of the front fender. It goes up, and then back toward the bike (because the bike is moving forward...
Showing results 1 to 50 of 1000
 


 
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