Bike Forums

Go Back  Bike Forums > Search Forums
Reload this Page >

Search Results

Register
FAQ
Calendar
Today's Posts
Search
Vendor Directory
Notices
 
Page 1 of 20
1
2
3
11
Last »
Search: Posts Made By: FBinNY
Showing results 1 to 50 of 1000
Search took 6.76 seconds.
Forum: Bicycle Mechanics
06-17-24, 11:36 PM
Replies: 21
Views: 423
Posted By FBinNY

You're right it was a typo. But you did a great...

You're right it was a typo. But you did a great job reading between the lines.
Forum: Bicycle Mechanics
06-17-24, 10:20 PM
Replies: 1
Views: 45
Posted By FBinNY

That looks like it was probably made for a...

That looks like it was probably made for a folding bike.

Odds are that you won't find a longer version of the lower element. However, you might find a longer 27.2 post.

One thought. Going...
Forum: Bicycle Mechanics
06-17-24, 08:59 PM
Replies: 20
Views: 661
Posted By FBinNY

IME flat tires coming off rims was never an issue...

IME flat tires coming off rims was never an issue with wire bead tires until tubeless.

So yes, the retention solves a problem, but it's a new one that arose with tubeless, so could hardly be...
Forum: Bicycle Mechanics
06-17-24, 12:27 PM
Replies: 18
Views: 231
Posted By FBinNY

You may not find a 5s chain. However a 6s is the...

You may not find a 5s chain. However a 6s is the same.
Forum: Bicycle Mechanics
06-17-24, 11:56 AM
Replies: 18
Views: 231
Posted By FBinNY

The chainring looks fine, near new by my...

The chainring looks fine, near new by my standards.

The headset can be OK without the O-ring, but I wouldn't. You can probably find a decent match at hardware store for pocket change.

As for...
Forum: Bicycle Mechanics
06-17-24, 04:07 AM
Replies: 16
Views: 276
Posted By FBinNY

I'm impressed. Kudos to Sram for overcoming...

I'm impressed.

Kudos to Sram for overcoming the challenge of designing an amazingly short lived bearing for such a light duty application.
Forum: Bicycle Mechanics
06-17-24, 03:58 AM
Replies: 11
Views: 188
Posted By FBinNY

I guess I'm either too old, or have too long a...

I guess I'm either too old, or have too long a memory or both.

The original Positron was a push/pull affair, with detents in the RD itself. I just took a moment to search it out, and here's a link...
Forum: Bicycle Mechanics
06-16-24, 11:08 PM
Replies: 38
Views: 801
Posted By FBinNY

It's a split cylinder that is wedged open by...

It's a split cylinder that is wedged open by cones at both ends. I'm not familiar with that specific item, but I've seen versions with a single lengthwise cut, 2 half segments, and 3 1/3 segments.
...
Forum: Bicycle Mechanics
06-16-24, 10:24 PM
Replies: 38
Views: 801
Posted By FBinNY

While the net effect is the same, my experience...

While the net effect is the same, my experience says the opposite.

On forks where it matters (most) the issue isn’t compression from the stem, but bulging from plug (over) expansion, which must be...
Forum: Bicycle Mechanics
06-16-24, 10:10 PM
Replies: 11
Views: 188
Posted By FBinNY

The terminology most commonly used is: Inner...

The terminology most commonly used is:

Inner wire = exactly as the name implies.
Housing = the outer element through the wire runs
Cable = the complete unit comprising both.

There are plenty...
Forum: Bicycle Mechanics
06-16-24, 08:55 PM
Replies: 20
Views: 435
Posted By FBinNY

Forgive me if it's been said already, but new...

Forgive me if it's been said already, but new hangers are not automatically square when installed.

So, the first, and if you're lucky only, step is to square up the new hanger. Then see where you...
Forum: Bicycle Mechanics
06-16-24, 08:52 PM
Replies: 13
Views: 247
Posted By FBinNY

The description doesn't make sense to me. Do...

The description doesn't make sense to me.

Do you mean that the chain somehow drops to the inside of the inner ring when trying to shift it outward? That's hard to accept, though it is fairly...
Forum: Bicycle Mechanics
06-16-24, 08:35 PM
Replies: 21
Views: 423
Posted By FBinNY

Qualify this with the fact that my total lifetime...

Qualify this with the fact that my total lifetime builds are in the hundreds not the thousands, but I've never seen or heard of a broken spoke on a wheel Ive built. Many of those were for "hard...
Forum: Bicycle Mechanics
06-16-24, 08:06 PM
Replies: 16
Views: 276
Posted By FBinNY

FWIW I've never seen a pulley outlast it's...

FWIW I've never seen a pulley outlast it's bearings.

However, you've answered your own question. Regardless of how and why, pulley performance will degrade over time, causing sloppier shifting.
...
Forum: Bicycle Mechanics
06-16-24, 07:32 PM
Replies: 16
Views: 276
Posted By FBinNY

Long before you'll wear out a bearing, ceramic or...

Long before you'll wear out a bearing, ceramic or steel, (or even a bronze bushing) you'll see the effects of dirt accumulation and/or peripheral wear of the pulley.
Forum: Bicycle Mechanics
06-16-24, 07:30 PM
Replies: 21
Views: 423
Posted By FBinNY

Yes, we can back engineer and intuit their...

Yes, we can back engineer and intuit their reasoning. OTOH, we have no basis to know. Even worse, we can't know if these are the opinions of engineers who understand how stuff works, or possibly thd...
Forum: Bicycle Mechanics
06-16-24, 05:41 PM
Replies: 21
Views: 423
Posted By FBinNY

I don't know Shimano's thinking, but I build all...

I don't know Shimano's thinking, but I build all wheels mirrored. So, here's my take.

I'll continue to build with more stressed spokes elbow out. For rear wheels that's based on the driving...
Forum: Bicycle Mechanics
06-16-24, 12:35 PM
Replies: 21
Views: 423
Posted By FBinNY

OTOH acceleration loads probably see more cycles....

OTOH acceleration loads probably see more cycles. So, name your poison ----- fewer bigger loads or more frequent smaller loads?

Since I won't use disc brakes on the road, my choice is easy, the...
Forum: Bicycle Mechanics
06-15-24, 10:09 PM
Replies: 21
Views: 423
Posted By FBinNY

I've building rear wheels pulling elbow out since...

I've building rear wheels pulling elbow out since 1967. This was based on observation that elbow in spokes broke 2-3 times more often than elbow out --- possibly because it's easier to properly set...
Forum: Bicycle Mechanics
06-15-24, 08:16 PM
Replies: 21
Views: 423
Posted By FBinNY

As noted by others any pattern that isn't near...

As noted by others any pattern that isn't near radial will have spokes crossing too close to the hub.

I suppose it might be possible to work the shape of those passing to the outside, but field...
Forum: Bicycle Mechanics
06-15-24, 07:36 PM
Replies: 13
Views: 288
Posted By FBinNY

Pins break and, as noted are replaceable. ...

Pins break and, as noted are replaceable.

Keep in mind that pin loads ard much higher these days because pins are peened over the outer plate, rather than simply pushed through.

So,...
Forum: Bicycle Mechanics
06-14-24, 07:16 PM
Replies: 58
Views: 5,797
Posted By FBinNY

Sounds good, Knob Creek and a splash.

Sounds good, Knob Creek and a splash.
Forum: Bicycle Mechanics
06-14-24, 06:03 PM
Replies: 15
Views: 315
Posted By FBinNY

I avoid doing specific product recommendations,...

I avoid doing specific product recommendations, so I won't make any here. I wrote what I did because you brought up that money was tight, and with the levers taking up a chunk of change the whole...
Forum: Bicycle Mechanics
06-14-24, 05:12 PM
Replies: 22
Views: 457
Posted By FBinNY

You surprised me. We're of similar age and...

You surprised me.

We're of similar age and experience, so I expected you'd be used to and happy with simple push-on pump heads.
Forum: Bicycle Mechanics
06-14-24, 05:09 PM
Replies: 15
Views: 315
Posted By FBinNY

The ONLY difference between hydraulic and cable...

The ONLY difference between hydraulic and cable controlled disc brakes is how the force you apply at the lever is transmitted to the caliper.

Given that changing to hydraulic means changing, not...
Forum: Bicycle Mechanics
06-14-24, 02:30 PM
Replies: 23
Views: 449
Posted By FBinNY

Looking at the photo, the best (and only) option...

Looking at the photo, the best (and only) option is to rebuild all three wheels with 700c, 650b, or mtn bike size rims. That won't be cheap, but if this is a long term thing, it's just about the only...
Forum: Bicycle Mechanics
06-14-24, 02:14 PM
Replies: 23
Views: 449
Posted By FBinNY

You're right that the smaller wheels effectively...

You're right that the smaller wheels effectively lower gears, or final drive ratio. Based on nominal size your gear rations are about 75% of those riding the same sprockets with 700c.

Unless you...
Forum: Bicycle Mechanics
06-14-24, 01:29 PM
Replies: 22
Views: 457
Posted By FBinNY

You can leave the hat on. It's a bit of both,...

You can leave the hat on. It's a bit of both, but seemingly so easily resolved that there's no point in arguing.

I agree with the pump needing to be designed for the valve. But there's also some...
Forum: Bicycle Mechanics
06-14-24, 12:37 PM
Replies: 58
Views: 5,797
Posted By FBinNY

While I understand the point you're trying to...

While I understand the point you're trying to make, it's unfortunately a poor analogy because ping pong balls float and therefore we can't compare sink rates.
Forum: Bicycle Mechanics
06-14-24, 02:24 AM
Replies: 22
Views: 457
Posted By FBinNY

First thing, I'd get something to hold the stem...

First thing, I'd get something to hold the stem and tighten the core tighter.

If the issue persists, I'd consider a threadlocker.

Beyond that depends on the pump. For a threaded head,...
Forum: Bicycle Mechanics
06-13-24, 11:29 PM
Replies: 38
Views: 801
Posted By FBinNY

I'm not going to waste my time debating some...

I'm not going to waste my time debating some nebulous, hypothetical "something much more specific...." statement.

If you truly have a theory, you'd also be able to explain how it works. So, I'll...
Forum: Bicycle Mechanics
06-13-24, 06:22 PM
Replies: 38
Views: 801
Posted By FBinNY

Feel free to disagree. However, those reading...

Feel free to disagree.
However, those reading this should consider that the forces are applied to the steerer where the stem attaches. Also consider that bar widths and stem extensions are within...
Forum: Bicycle Mechanics
06-13-24, 05:59 PM
Replies: 19
Views: 331
Posted By FBinNY

The problem is that the needed parts depend on...

The problem is that the needed parts depend on the design.

For example, if the axle lacks shoulders or a spacer behind the bearing, simple spaces transfer the QR compression to the unsupported...
Forum: Bicycle Mechanics
06-13-24, 04:41 PM
Replies: 38
Views: 801
Posted By FBinNY

The limitation is purely and simply about...

The limitation is purely and simply about leverage.

Riders exert forces on their handlebars that are essentially applied where the stem clamps to the steerer.

The distance from the point of...
Forum: Bicycle Mechanics
06-13-24, 04:31 PM
Replies: 19
Views: 331
Posted By FBinNY

I have no problem with the term "end caps" and I...

I have no problem with the term "end caps" and I immediately understood what the OP is describing.

Various hubs use similar parts which fit over the axle and may fulfill various purposes...
Forum: Bicycle Mechanics
06-12-24, 11:46 PM
Replies: 44
Views: 25,194
Posted By FBinNY

If you didn't get it sorted ----- that you'd...

If you didn't get it sorted ----- that you'd remember.
Forum: Bicycle Mechanics
06-12-24, 11:25 PM
Replies: 58
Views: 5,797
Posted By FBinNY

For those who fret over stuff like hub friction,...

For those who fret over stuff like hub friction, may I suggest some DIY scientific research.

You'll need a friend who weights 20# or so more or less than you, a hill, and of course, a "slow"...
Forum: Bicycle Mechanics
06-12-24, 09:47 PM
Replies: 54
Views: 1,247
Posted By FBinNY

All this fretting over crimping housing end caps...

All this fretting over crimping housing end caps is pointless.

While there's no reason you can't crimp them on should you want to, there's also no reason you need to.

Housings are in...
Forum: Bicycle Mechanics
06-12-24, 09:27 PM
Replies: 23
Views: 640
Posted By FBinNY

I've been preaching against axial preload on...

I've been preaching against axial preload on radial bearings for about half a century.

I wouldn't consider your issue a design flaw, it's more like a communication issue.

Since you're aware if...
Forum: Bicycle Mechanics
06-12-24, 09:15 PM
Replies: 19
Views: 331
Posted By FBinNY

Unless there's something special that happened...

Unless there's something special that happened between 2012 & 2013, someone is simply too lazy to make an effort for you.

I, for one, don't believe they don't have records for earlier wheels.
...
Forum: Bicycle Mechanics
06-12-24, 04:28 PM
Replies: 44
Views: 25,194
Posted By FBinNY

At some point, discussion on a zombie thread...

At some point, discussion on a zombie thread becomes pointless.

The OP has been fairly active on BF in the intervening decade, so I'm sure he got it sorted.

It's time to let sleeping zombies...
Forum: Bicycle Mechanics
06-12-24, 02:13 PM
Replies: 22
Views: 584
Posted By FBinNY

When you're ready, here's a tip that will help. ...

When you're ready, here's a tip that will help.

I always start by confirming the limit setting. I do this by ignoring the shift lever and shifting by pulling the bare wire away from the down...
Forum: Bicycle Mechanics
06-12-24, 02:08 PM
Replies: 58
Views: 5,797
Posted By FBinNY

Short answer is yes. In a lighty loaded ball...

Short answer is yes. In a lighty loaded ball bearing, the viscous drag of the grease will significantly exceed the friction of the rolling elements.

But it barely matters anyway. When comparing...
Forum: Bicycle Mechanics
06-12-24, 02:04 PM
Replies: 5
Views: 188
Posted By FBinNY

If there was a bit of a press force on either...

If there was a bit of a press force on either side, odds are that there's residual side load. Often, when pressing paired bearings, some tapping back and forth is needed to relieve the load left by...
Forum: Advocacy & Safety
06-11-24, 09:36 PM
Replies: 16
Views: 808
Posted By FBinNY

It's actually worse than it seems. This...

It's actually worse than it seems.
This happened in Florida, a "stand your ground" state. I wonder if the moron even considered that the cyclist might have been within his rights to shoot him dead.
Forum: Bicycle Mechanics
06-11-24, 02:20 PM
Replies: 7
Views: 250
Posted By FBinNY

If you were a doctor, and a patient came in...

If you were a doctor, and a patient came in saying, "I feel lousy", would you start off by writing a prescription?

We have nowhere enough info to offer meaningful advise about what may be anything...
Forum: Bicycle Mechanics
06-11-24, 01:37 PM
Replies: 22
Views: 584
Posted By FBinNY

Read some tutorials, and/or watch a few videos...

Read some tutorials, and/or watch a few videos until you understand how cable length and limit screws each affect derailleur position. Very quickly, the derailleur hangs on the cable, in a way...
Forum: Bicycle Mechanics
06-11-24, 01:28 PM
Replies: 1
Views: 159
Posted By FBinNY

You definitely need a longer bolt to reach into...

You definitely need a longer bolt to reach into the crank arm. Standard chainring bolts are not quite long enough to span the chainring/crank spider sandwich, so obviously can't extend beyond and...
Forum: Bicycle Mechanics
06-10-24, 04:39 PM
Replies: 18
Views: 570
Posted By FBinNY

Thanks for including a location in your profile. ...

Thanks for including a location in your profile.

I was wondering who would consider 6:22PM EDT (GMT-4) as bedtime.
Forum: Bicycle Mechanics
06-10-24, 04:28 PM
Replies: 21
Views: 602
Posted By FBinNY

I agree that the routing is incorrect, but that's...

I agree that the routing is incorrect, but that's not causing your sliding problem.

The real cause is housing pushing it upwards owing to cable tension. This was s common problem BITD when...
Showing results 1 to 50 of 1000
 
Page 1 of 20
1
2
3
11
Last »


 
Forum Jump

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service - Your Privacy Choices -

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.