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Search: Posts Made By: FBinNY
Showing results 1 to 50 of 1000
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Forum: Bicycle Mechanics
05-04-24, 10:15 PM
Replies: 69
Views: 1,416
Posted By FBinNY

I'll bet you 3 beers* that when you look at it,...

I'll bet you 3 beers* that when you look at it, you'll see that the central part of the crown follows the line of the steerer, with the brake hole straight across.

Then both sides of the crown are...
Forum: Bicycle Mechanics
05-04-24, 09:57 PM
Replies: 17
Views: 366
Posted By FBinNY

The issue isn't whether they're loose type or...

The issue isn't whether they're loose type or cartridge, but the configuration of the rolling elements.

Most cartridge bearings used on bikes are deep groove radial bearings, which can only handle...
Forum: Bicycle Mechanics
05-04-24, 09:37 PM
Replies: 9
Views: 176
Posted By FBinNY

"Shielded" has very specific meaning as applied...

"Shielded" has very specific meaning as applied to bearings.

Sealed bearings have a flexible lip seal on the inner race. They're perlubed for thrvexpected service life and the seals make it...
Forum: Bicycle Mechanics
05-04-24, 05:45 PM
Replies: 69
Views: 1,416
Posted By FBinNY

You're looking ar a photo which wasn't taken...

You're looking ar a photo which wasn't taken directly from the side, so doesn't properly show the reality.




Yes, I'm assuming that this is a halfway decent fork with the brake hole drilled...
Forum: Advocacy & Safety
05-04-24, 04:23 PM
Replies: 2
Views: 128
Posted By FBinNY

Near my home is a twisty highway with narrow...

Near my home is a twisty highway with narrow lanes, and no shoulders to speak of. When I drive it with friends of family they all ask why I drive such a "dangerous" road. My pat answer is that the...
Forum: Advocacy & Safety
05-04-24, 04:13 PM
Replies: 9
Views: 197
Posted By FBinNY

With comparable skill, it might be a draw. The MC...

With comparable skill, it might be a draw. The MC has the advantage of staying with the flow of traffic. OTOH, MCs operate at higher speeds making potential crashes much more serious.

But that...
Forum: Bicycle Mechanics
05-04-24, 04:06 PM
Replies: 5
Views: 94
Posted By FBinNY

As noted. Manufacturers assign lot numbers to...

As noted. Manufacturers assign lot numbers to everything. This allows tracing and identification of any defects and potential defects.

It's how recalls, as we so often see with food, can be...
Forum: Bicycle Mechanics
05-04-24, 02:53 PM
Replies: 69
Views: 1,416
Posted By FBinNY

No need for complicated math. Just some...

No need for complicated math. Just some visualization.

The axle is forward of the crown. Ergo, 12 o'clock is likewise forward of the crown by the same amount. So moving the brake out from the...
Forum: Bicycle Mechanics
05-03-24, 08:45 PM
Replies: 4
Views: 108
Posted By FBinNY

1/2×1/8" is the standard chain for single speed. ...

1/2×1/8" is the standard chain for single speed.

The designation refers to the pitch and width respectively.

As for freewheel, I don't do brand recommendations, but have heard of issues with...
Forum: Bicycle Mechanics
05-03-24, 08:12 PM
Replies: 23
Views: 216
Posted By FBinNY

It doesn't matter. The weight involved is too...

It doesn't matter. The weight involved is too low to fret over.
Forum: Bicycle Mechanics
05-03-24, 05:45 PM
Replies: 9
Views: 176
Posted By FBinNY

Nothing to add by way of advice Just...

Nothing to add by way of advice


Just wishing you a great trip that ends with you wanting more.
Forum: Bicycle Mechanics
05-03-24, 04:01 PM
Replies: 5
Views: 446
Posted By FBinNY

Sealant in tubulars is OK but keep one thing in...

Sealant in tubulars is OK but keep one thing in mind.

It's very hard on the valves, and you might not even be able to add it if you don't have 2 part valves that allow removal of the core.
Forum: Bicycle Mechanics
05-03-24, 03:57 PM
Replies: 38
Views: 484
Posted By FBinNY

I'm a bit confused. Why are you buying disc...

I'm a bit confused.

Why are you buying disc brake hubs for a rim brake bike?

Otherwise, no comment on the build except a reminder that low spoke count wheels need a more rigid rim. Also aero...
Forum: Bicycle Mechanics
05-03-24, 03:53 PM
Replies: 23
Views: 216
Posted By FBinNY

While roof racks are fine and very convenient,...

While roof racks are fine and very convenient, keep in mind that bicycle windage is murder on your fuel consumption. So if you're planning a long trip, you might do better with the bikes inside, or...
Forum: Bicycle Mechanics
05-03-24, 03:48 PM
Replies: 7
Views: 162
Posted By FBinNY

+1 to the above. The shape of the base of the...

+1 to the above. The shape of the base of the valve provides all the protection it needs, so no sweat on that score. OTOH if the edge of the valve hole bothers you, feel free to file a slight bevel...
Forum: Bicycle Mechanics
05-03-24, 01:36 PM
Replies: 17
Views: 366
Posted By FBinNY

I can't say, since I don't have the pedals to...

I can't say, since I don't have the pedals to examine.

OTOH - Have you subjected them to the acid test, namely installed them to see how they actually work? Otherwise, I've no stake in MKS,...
Forum: Bicycle Mechanics
05-02-24, 05:43 PM
Replies: 17
Views: 366
Posted By FBinNY

As I said there is an adjustment to take out...

As I said there is an adjustment to take out axial play, and you're wrong about needing to somehow load the inner bearings.

But they're your pedals, so feel free to ignore my attempt to help you,...
Forum: Bicycle Mechanics
05-02-24, 05:37 PM
Replies: 69
Views: 1,416
Posted By FBinNY

FWIW-- You come here for free advice, and...

FWIW--

You come here for free advice, and certainly have no obligation to listen

However, it's bad form to tell those who've you came to for help, that you don't like what they suggest.
Forum: Bicycle Mechanics
05-02-24, 05:34 PM
Replies: 69
Views: 1,416
Posted By FBinNY

Seriously hope you were being facetious, but...

Seriously hope you were being facetious, but these days we can never know. So just in case ---------
Franklin wasn't young at the time of the Revolution, and would have been well over 100 during...
Forum: Bicycle Mechanics
05-02-24, 05:26 PM
Replies: 17
Views: 350
Posted By FBinNY

They're all decent, though can be prone to false...

They're all decent, though can be prone to false high readings.

Buy yourself a steel ruler. Use it by pulling the RD back to slightly tension the lower loop and measure pin to pin. Stretched to...
Forum: Bicycle Mechanics
05-02-24, 03:09 PM
Replies: 69
Views: 1,416
Posted By FBinNY

Mold flash and/or risers (those little whiskers...

Mold flash and/or risers (those little whiskers on new tires) are artifacts of the manufacturing process. In other applications they're removed at the factory, but nobody bothers on tires because...
Forum: Bicycle Mechanics
05-02-24, 02:11 PM
Replies: 69
Views: 1,416
Posted By FBinNY

Tire clearance isn't horseshoes. Close doesn't...

Tire clearance isn't horseshoes. Close doesn't matter. If the OP is talking about the molding flash or risers touching he can safely ignore it. Or he can spin the wheel against a razor knife to...
Forum: Bicycle Mechanics
05-02-24, 02:03 PM
Replies: 14
Views: 403
Posted By FBinNY

+1 31.8mm is the de facto standard clamp...

+1
31.8mm is the de facto standard clamp diameter, and odds are that's what the OP has.

From his description it seems that the OP's bars taper to the 22.2 brake lever clamp diameter immediately...
Forum: Bicycle Mechanics
05-02-24, 10:57 AM
Replies: 17
Views: 366
Posted By FBinNY

First of all, you need to understand a critical...

First of all, you need to understand a critical difference between the adjustable angular bearings classic to bicycle.

Angular bearings require preload to eliminate play. In radial bearings...
Forum: Bicycle Mechanics
05-02-24, 07:53 AM
Replies: 17
Views: 366
Posted By FBinNY

Huh? How can you have angular play without...

Huh?

How can you have angular play without axial or radial play?

OTOH if as Andy suggests, you have a quick disconnect pedal, play at the link is common, and can be considered a trade off for...
Forum: Bicycle Mechanics
05-01-24, 06:21 PM
Replies: 20
Views: 328
Posted By FBinNY

I can say with some confidence that it was either...

I can say with some confidence that it was either or both. Unless it bled out under the rim strip.

Only you know how diligent you were installing the valve, but since it held for a while, it's...
Forum: Bicycle Mechanics
05-01-24, 05:14 PM
Replies: 17
Views: 366
Posted By FBinNY

You don't offer details about your problem. ...

You don't offer details about your problem.

It seems that MKS doesn't want people to fool with the pedals, which I understand because it's so easy to axially overload radial bearings.

However,...
Forum: Bicycle Mechanics
05-01-24, 04:38 PM
Replies: 20
Views: 328
Posted By FBinNY

Agreed, and this is an excellent analogy. The OP...

Agreed, and this is an excellent analogy. The OP would be well served by a visit to a hardware store, looking for a (dried) latex paint stripper. There are plenty, so odds are he'll find something...
Forum: Bicycle Mechanics
05-01-24, 02:37 PM
Replies: 38
Views: 904
Posted By FBinNY

As I said, apples and oranges. I don't claim...

As I said, apples and oranges. I don't claim that rims are magically immune to brake wear, just that wearing to near failure is rare for road bikes.
So the fact that you've experienced it doesn't...
Forum: Bicycle Mechanics
05-01-24, 01:46 PM
Replies: 38
Views: 904
Posted By FBinNY

This is one of those apples and oranges issues. ...

This is one of those apples and oranges issues. FWIW the DIN mandate for rim wear indicators came after the advent of mountain biking, and mist likely because of it. Prior to mountain biking rim...
Forum: Bicycle Mechanics
05-01-24, 09:58 AM
Replies: 38
Views: 904
Posted By FBinNY

I find it interesting (but not surprising) that...

I find it interesting (but not surprising) that you chose to quote me here. Especially since I specifically referenced wet weather as an exception.

Also, it's generally been accepted from day one...
Forum: Bicycle Mechanics
05-01-24, 07:49 AM
Replies: 38
Views: 904
Posted By FBinNY

+1 I typically ride rims with a wall...

+1

I typically ride rims with a wall thickness of 1mm, which is less than the wear allowance of most modern rims.

I've never had rim wear issues even with wheels lasting over 25k miles.

IMO...
Forum: Bicycle Mechanics
04-30-24, 01:39 PM
Replies: 8
Views: 184
Posted By FBinNY

You didn't buy them, you stole them. I don't get...

You didn't buy them, you stole them. I don't get worked up about comparisons based on small arcane differences. If the weight is reasonable (and I'm sure it is) the rim width suits your needs, and...
Forum: Bicycle Mechanics
04-30-24, 10:29 AM
Replies: 8
Views: 184
Posted By FBinNY

Just bumping it up to give you a better shot at...

Just bumping it up to give you a better shot at answer.

Have you gone to the Easton site and looked at pictures?

Either way, they look like nice wheels. If you got them at a good price, why...
Forum: Bicycle Mechanics
04-30-24, 09:38 AM
Replies: 23
Views: 622
Posted By FBinNY

As they tell medical students, "when you hear...

As they tell medical students, "when you hear hoofbeats, think horses, not zebras".

Slack chains on coaster brake bikes as very common. Add to that the fact that she was able to work the chain...
Forum: Bicycle Mechanics
04-29-24, 10:07 PM
Replies: 13
Views: 266
Posted By FBinNY

So we've offered the OP three possibilities, and...

So we've offered the OP three possibilities, and can't take it further based on the little info offered.

In the OP he mentioned tires (plural), then later weight, though without numbers.

A this...
Forum: Bicycle Mechanics
04-29-24, 08:16 PM
Replies: 13
Views: 266
Posted By FBinNY

One should consider Occam's Razor. The...

One should consider Occam's Razor.

The simplest answer is the most likely to be correct.

The hot rim theory needs too many other factors, ie. weight, long descent, etc. While it's not...
Forum: Bicycle Mechanics
04-29-24, 05:11 PM
Replies: 13
Views: 266
Posted By FBinNY

Question ---- is there similar damage on the...

Question ---- is there similar damage on the other side?

If so, we're back to under inflation as a possible cause, though it seems awfully fast for that. Keep in mind that under inflation isn't...
Forum: Bicycle Mechanics
04-29-24, 04:13 PM
Replies: 13
Views: 381
Posted By FBinNY

Actually more important, but generally done by...

Actually more important, but generally done by the builder, or pre-machined into the head tube.

As I said earlier reaming/facing is one and done, so no need to consider unless there was a searing...
Forum: Bicycle Mechanics
04-29-24, 04:09 PM
Replies: 18
Views: 390
Posted By FBinNY

Yes, remove the rear wheel and measure between...

Yes, remove the rear wheel and measure between the inside of the dropout faces.

Retrofitting disc brakes to this is not a practical option. So start by seeing Shimano's most recent Di2 rim brake...
Forum: Bicycle Mechanics
04-29-24, 03:37 PM
Replies: 13
Views: 266
Posted By FBinNY

That looks classic for damage caused by the...

That looks classic for damage caused by the overhanging edge of a worn brake shoe.

Had you initially mentioned how fast it was damaged, any experienced mechanic would immediately have keyed on the...
Forum: Bicycle Mechanics
04-29-24, 02:33 PM
Replies: 20
Views: 328
Posted By FBinNY

Toluene is a common solvent for rubber based...

Toluene is a common solvent for rubber based compounds. If that's what was in the solution, commercial paint thinner should help remove it. In any case, as you try stuff, be aware to NOT USE any...
Forum: Bicycle Mechanics
04-29-24, 02:23 PM
Replies: 13
Views: 266
Posted By FBinNY

Excellent point. In hindsight, I may have been...

Excellent point. In hindsight, I may have been giving the OP too much credit in assuming he would have known if shoes were cutting his tire.
Forum: Bicycle Mechanics
04-29-24, 01:42 PM
Replies: 13
Views: 266
Posted By FBinNY

Wear implies and requires movement. IME bead...

Wear implies and requires movement. IME bead area wear usually results from under inflation, though it can be compounded by dirt and sand. Before trying to add a reinforcement there, I'd try to...
Forum: Bicycle Mechanics
04-29-24, 01:36 PM
Replies: 8
Views: 212
Posted By FBinNY

The very first thing to consider is...

The very first thing to consider is synchronicity. Does it click once per crank revolution, wheel revolution, or randomly? That tells you whether it's related to the cranks or your pedaling motion,...
Forum: Bicycle Mechanics
04-29-24, 01:29 PM
Replies: 13
Views: 381
Posted By FBinNY

Reaming and facing is a one and done job. Once a...

Reaming and facing is a one and done job. Once a frame has been cut to spec. there's nothing to be gained by doing it again, and may even be counter-productive.

The ONLY reasons I consider...
Forum: Bicycle Mechanics
04-29-24, 11:17 AM
Replies: 6
Views: 274
Posted By FBinNY

Clear plastic tubing within the frame serves 2...

Clear plastic tubing within the frame serves 2 purposes.

1- it acts as a guide making cable replacement easier.

2- it reduces friction and cable wear at the exit point.

Otherwise, the...
Forum: Bicycle Mechanics
04-28-24, 09:58 PM
Replies: 38
Views: 904
Posted By FBinNY

It's not always an issue. The extent of the...

It's not always an issue. The extent of the problem depends on how much wider than the rim, the tire is.

It also depends on how often you remove wheels, and why. If the wheels stay on except for...
Forum: Bicycle Mechanics
04-28-24, 03:43 PM
Replies: 6
Views: 274
Posted By FBinNY

Easy enough to check. Create some slack by...

Easy enough to check. Create some slack by pushing brakes closed or RDs inward and tug on the housing.

If one end pulls out without the other end going in, it's bare wire inside. If pulling...
Forum: Bicycle Mechanics
04-28-24, 03:39 PM
Replies: 16
Views: 382
Posted By FBinNY

I never bothered with lockring tools for the cone...

I never bothered with lockring tools for the cone on these BBs.

Adjust it close by pushing it around with a punch. Tightening the lockout will push the cone inward because of thread slop.

After...
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