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Search: Posts Made By: bikerbobbbb
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04-28-20, 03:32 PM
Replies: 3
Views: 367
Posted By bikerbobbbb

Which is correct for measuring ERD?

Park Tool shows the end of the spoke being lined up with the bottom of the screw driver slot on the nipple.
https://www.parktool.com/blog/calvins-corner/measuring-effective-rim-diameter

Over here...
04-28-20, 09:50 AM
Replies: 23
Views: 1,577
Posted By bikerbobbbb

Yuck. I got 294 on one site. 291 on another. ...

Yuck. I got 294 on one site. 291 on another. They're using different ERDs though compared to my wheel or even the preprogrammed hub on one site I found had slightly different numbers.
...
04-28-20, 09:41 AM
Replies: 23
Views: 1,577
Posted By bikerbobbbb

The Sheldon Brown excel calculation. I'm getting...

The Sheldon Brown excel calculation. I'm getting just over 292.5 twice now. If I make the ERD 601 though, then this excel is 292.2mm. I was wondering if I measured ERD wrong maybe. I found a site...
04-28-20, 09:33 AM
Replies: 8
Views: 644
Posted By bikerbobbbb

This last pic on this 2009 thread is incorrect,...

This last pic on this 2009 thread is incorrect, isn't it?

You measure ERD from the bottom of the nipple head, not the top? In other words, this pic is probably add 2+2mm or 4mm extra on the ERD? ...
04-28-20, 09:23 AM
Replies: 23
Views: 1,577
Posted By bikerbobbbb

https://cimg0.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg0.ibsrv.net/gimg/bikeforums.net-vbulletin/1358x660/6_copy_9e2e7b04c64a7f0f92e6d37f639f4134afd2c0e4.png



I'm leaning toward 292mm now.
04-28-20, 09:19 AM
Replies: 23
Views: 1,577
Posted By bikerbobbbb

Here's with the highest and lowest measurements...

Here's with the highest and lowest measurements taken out. I'm still wondering why the very last ERD spoke set check was higher like that. It was on the opposite side of the stem hole if that...
04-28-20, 08:23 AM
Replies: 23
Views: 1,577
Posted By bikerbobbbb

Measured the ERD. I measured all the 2-spokes...

Measured the ERD. I measured all the 2-spokes around, so 18 times.
https://cimg6.ibsrv.net/gimg/bikeforums.net-vbulletin/351x513/4_copy_44615a576422a23b92e9a94066c343bdbae43c5d.png

So I get...
04-27-20, 09:16 AM
Replies: 23
Views: 1,577
Posted By bikerbobbbb

So two spokes, each 292mm. That's 584. So my...

So two spokes, each 292mm. That's 584. So my spokes shouldn't overlap and the caliper should work.

I'm thinking maybe measure all of them. That's 18 ERD checks. The nipples are going to move...
04-27-20, 09:03 AM
Replies: 23
Views: 1,577
Posted By bikerbobbbb

This page gives an ERD of 602mm. Mavic A719...

This page gives an ERD of 602mm.
Mavic A719 700c, 29er rim dimensions | Freespoke (http://www.kstoerz.com/freespoke/rim/234)

Mavic is 598mm....
04-26-20, 10:28 AM
Replies: 8
Views: 644
Posted By bikerbobbbb

Looks like a useful video. ...

Looks like a useful video.
https://www.youtube.com/watch?v=JptjQaEcqBMGlimpse into How To Measure ERDBill Mould
04-25-20, 11:57 AM
Replies: 11
Views: 1,310
Posted By bikerbobbbb

Nope. Someone mentioned the pulley wheels were...

Nope. Someone mentioned the pulley wheels were worn a few years ago. It wasn't the rear wheel builds. The chain came out of the cage there, so I posted a few pics. That's when someone said it was...
04-24-20, 04:54 PM
Replies: 11
Views: 1,310
Posted By bikerbobbbb

Mission accomplished. I think that took four...

Mission accomplished. I think that took four years, although I just got around to ordering the pulleys this year.

I'm glad I watched the videos ahead of time. It wasn't bad, but it wasn't just...
04-24-20, 05:10 AM
Replies: 11
Views: 1,310
Posted By bikerbobbbb

https://youtu.be/zeb80OeL_pM?t=210 3:30min...

https://youtu.be/zeb80OeL_pM?t=210

3:30min in some details on the guide vs. tension This guide is narrower and has the metal ring.
04-24-20, 05:06 AM
Replies: 29
Views: 6,689
Posted By bikerbobbbb

It's the bike for sure. I'm inside each time. ...

It's the bike for sure. I'm inside each time. Weather can be the same. If the bike is outside, it's more sluggish. If it's inside, it's normal.

These are about ten minute bike rides, so the...
04-20-20, 04:49 PM
Replies: 29
Views: 6,689
Posted By bikerbobbbb

Yep, bringing it/keep it inside is probably...

Yep, bringing it/keep it inside is probably enough of an answer. It's aluminum. It probably takes less than an hour to warm up enough to room temp. The other other thing I thought of was pointing...
04-19-20, 11:11 AM
Replies: 11
Views: 1,310
Posted By bikerbobbbb

Thanks. Double text side cog is 8.53mm...

Thanks.


Double text side cog is 8.53mm thick.
Single text side cog is 6.84mm thick, so it is slightly narrower. This is the one with the single groove bar on the side.... From the above post,...
04-18-20, 04:52 PM
Replies: 11
Views: 1,310
Posted By bikerbobbbb

Lost my post.... Here's what I bought for...

Lost my post....

Here's what I bought for pulleys, if it helps.
https://www.amazon.com/gp/product/B00JNAH5GA/
Shimano Altus M280 7/8-Speed Rear Derailleur 13t Pulley Set


This is the grease...
04-18-20, 04:46 PM
Replies: 11
Views: 1,310
Posted By bikerbobbbb

I also dug out my red-colored tube of BLUE...

I also dug out my red-colored tube of BLUE Loctite 242 (yes blue, 242, not the actual red 243, no idea why the reversed the color scheme like that). This pulley set came with the two pulleys, four...
04-18-20, 04:43 PM
Replies: 11
Views: 1,310
Posted By bikerbobbbb

Details.... The "double sided lettered...

Details....

The "double sided lettered pulley -- It's got text on both sides.
- Shimano on one side. W 8.6 on the side side.
- Shimano on the other side. >POW< on that same side. Also the...
04-18-20, 04:35 PM
Replies: 11
Views: 1,310
Posted By bikerbobbbb

Need an assist with my jockey/pulley wheel replacements

Yeah, this goes back to 2016 or so. When I was building my rear wheel or had a question the chain popping out of the track around the derailleur, someone mentioned my pulley wheel were pretty pretty...
04-18-20, 04:34 PM
Replies: 26
Views: 6,462
Posted By bikerbobbbb

Time turns out to be the limit. Time and...

Time turns out to be the limit. Time and patience. I can keep getting a little better and then a little more better and even a little bit better.... But if I take the wheel and stress the spokes by...
04-16-20, 09:45 AM
Replies: 6
Views: 529
Posted By bikerbobbbb

Pulled out some spokes and nipples from my rear...

Pulled out some spokes and nipples from my rear wheel builds. DT Swiss brass nipples, 2.0 x 12mm.

They don't have thread on the square hub side. Thread starts on the round, middle part. And on...
04-15-20, 03:44 PM
Replies: 8
Views: 644
Posted By bikerbobbbb

Nice. ...

Nice.

https://www.parktool.com/blog/calvins-corner/measuring-effective-rim-diameter

Two spokes, spoke up to the screwdriver head point on the nipple, pinch together with calipers like the...
04-15-20, 03:41 PM
Replies: 8
Views: 644
Posted By bikerbobbbb

What's the best way to measure ERD for one measurement?

Measure a few times, take the average.

But for one measurement, what's the best way to get that? I'm thinking, take two spokes, secure those together after put through the rim. Pull everything...
04-13-20, 03:40 PM
Replies: 23
Views: 1,577
Posted By bikerbobbbb

Thanks. Still studying out your post. I suppose...

Thanks. Still studying out your post. I suppose I should order the rim then, and check those measurements myself. I figured the manufacturer must know and be precise if they're precise enough in...
04-13-20, 09:37 AM
Replies: 23
Views: 1,577
Posted By bikerbobbbb

So from this post, ...

So from this post,
https://www.kstoerz.com/freespoke/tech-threadengagement.php

And glancing at this post,
https://www.bikeforums.net/bicycle-mechanics/1124652-nipples-kind-spoke.html

It...
04-13-20, 09:27 AM
Replies: 6
Views: 529
Posted By bikerbobbbb

All nipples look like this? It's the opposite of...

All nipples look like this? It's the opposite of what I was thinking.
https://www.kstoerz.com/freespoke/tech-threadengagement.php
04-13-20, 09:23 AM
Replies: 6
Views: 529
Posted By bikerbobbbb

How much thread is on the inside of a spoke nipple?

Is it thread from the very bottom to the very top or only has thread on part of the inside, like the bottom, squared off section?
04-11-20, 09:55 AM
Replies: 23
Views: 1,577
Posted By bikerbobbbb

I found some other calculators. After those, the...

I found some other calculators. After those, the excel sheet was easier. I'm getting 290.6-8 roughly. Would round up to 291mm, but I don't think I can get that. And it's just a mm.... So is 290...
03-08-20, 05:16 AM
Replies: 23
Views: 1,577
Posted By bikerbobbbb

Thanks for the replies. Are there any other...

Thanks for the replies.

Are there any other spoke calculator websites?
03-06-20, 06:09 AM
Replies: 23
Views: 1,577
Posted By bikerbobbbb

So if my measurements confirm the other hub I...

So if my measurements confirm the other hub I used on the spoke calculator, that gives me either 292 or 290mm. I guess I'd go with 290mm then.

If it matters, on my current rear wheels I've...
03-06-20, 06:03 AM
Replies: 23
Views: 1,577
Posted By bikerbobbbb

One of my previous posts on the 2016 rear wheel...

One of my previous posts on the 2016 rear wheel builds had the same question with an answer I think about whether it's safer to go shorter vs. longer on spoke length. I don't know if I'm going to...
03-06-20, 05:59 AM
Replies: 23
Views: 1,577
Posted By bikerbobbbb

And here's some pics. On a few I tired measuring...

And here's some pics. On a few I tired measuring on the ends which I don't think is correct. It looks like measuring in the of the middle of the hub ends or middle of the holes is correct.

I'm...
03-06-20, 05:54 AM
Replies: 23
Views: 1,577
Posted By bikerbobbbb

How would you even get a real ERD on a rim if...

How would you even get a real ERD on a rim if it's just the rim and not perfect round yet? I read someone on here was taking several measurements and using the average.
03-06-20, 05:39 AM
Replies: 23
Views: 1,577
Posted By bikerbobbbb

Yeah, it's three cross. And I checked on my...

Yeah, it's three cross. And I checked on my bike. That one cross is pretty much right on the hub though, but it's three....
03-06-20, 05:32 AM
Replies: 23
Views: 1,577
Posted By bikerbobbbb

Double check my front wheel spoke calculations?

Anyone want to give me a second opinion so I order the correct spoke lengths?

https://www.prowheelbuilder.com/spokelengthcalculator/
My exact front hub isn't on here, but I'm using...
Front...
02-09-20, 11:26 AM
Replies: 60
Views: 3,824
Posted By bikerbobbbb

A few thoughts. I've been doing this to reduce...

A few thoughts. I've been doing this to reduce stress associated with bike repairs/maintenance.


Plan it all out. Have all the parts and tools you need.
Watch youtube videos. How to books. ...
02-09-20, 11:25 AM
Replies: 43
Views: 2,265
Posted By bikerbobbbb

Would Park Tool HPG-1 High Performance Grease be...

Would Park Tool HPG-1 High Performance Grease be better than the Park Tool Polylube 1000 grease?
01-21-20, 07:32 PM
Replies: 29
Views: 6,689
Posted By bikerbobbbb

It's not a joke. The bike is outside so it's...

It's not a joke. The bike is outside so it's literally ice cold. You sit on a cold bike seat and then grip cold handlebars. There's definitely a difference riding a bike that's sitting outside vs....
01-21-20, 05:09 PM
Replies: 29
Views: 6,689
Posted By bikerbobbbb

Any way to warm up a bike faster when you bring it inside?

My bike's out in the cold, long enough to adjust/match that outside temperature.

If I bring my bike inside, is there any way to warm the bike up faster than just letting it sit? I'm trying to...
01-09-20, 04:23 PM
Replies: 43
Views: 2,265
Posted By bikerbobbbb

Browsing this. ...

Browsing this.
https://www.youtube.com/watch?v=90XxoPHWbI4


13 and 17 for cone wrenches.


What's that magnet tool he's using?
01-09-20, 04:14 PM
Replies: 43
Views: 2,265
Posted By bikerbobbbb

I see. This is helpful. What's here is not...

I see. This is helpful. What's here is not quite what I was picturing for where the ball bearing are. This makes more sense.

https://bike.bikegremlin.com/1461/hub-overhaul/


How often do...
01-09-20, 04:10 PM
Replies: 43
Views: 2,265
Posted By bikerbobbbb

Also nice.... I was thinking I'd get a front hub...

Also nice.... I was thinking I'd get a front hub for a new front wheel and open that. That would be the end goal. But I also have an old wheel that I haven't thrown out. The rim is shot. I was...
01-09-20, 04:08 PM
Replies: 43
Views: 2,265
Posted By bikerbobbbb

Hm. I don't have a vise, but I get the idea...

Hm. I don't have a vise, but I get the idea there I think....The other bike work I did that needed some torq was for the chain rings or cassette and that's already on the bike or a nice large wheel...
01-03-20, 02:36 PM
Replies: 8
Views: 1,150
Posted By bikerbobbbb

Yeah, I saw a set for $140. That's not quite what...

Yeah, I saw a set for $140. That's not quite what I was thinking.

Good news -- I can't count. It's actually 13 teeth for top and bottom. I counted (stuck a paper towel ball in the hole on the cog...
01-03-20, 02:25 PM
Replies: 43
Views: 2,265
Posted By bikerbobbbb

And just to ask... From some of the pics I saw...

And just to ask... From some of the pics I saw looking at this -- Can you regrease the hub without removing spokes, ie Leave the whole wheel set up and trued, and only take out the center and...
01-03-20, 02:22 PM
Replies: 43
Views: 2,265
Posted By bikerbobbbb

Thanks. Good info. I checked the pdf, but I...

Thanks. Good info.

I checked the pdf, but I don't see which size it is for sure.... This doesn't seem quite right, a whole set, just to have the right one on hand when needed....
01-03-20, 10:43 AM
Replies: 43
Views: 2,265
Posted By bikerbobbbb

This is the front hub I was looking at. It's as...

This is the front hub I was looking at. It's as close of a match to the rear hub I got before.

https://www.amazon.com/SHIMANO-HB-T780-Front-Hub-36H/dp/B006EPPN4I
SHIMANO Deore LX Front Track...
01-03-20, 10:07 AM
Replies: 43
Views: 2,265
Posted By bikerbobbbb

How to you regrease a wheel hub?

How do you open it?

I'm thinking about building a new front wheel. I built a couple rear wheels a few years ago. Someone asked if I had regreased the hubs. No... Because they were brand new...
01-03-20, 09:46 AM
Replies: 8
Views: 1,150
Posted By bikerbobbbb

I suppose I could unscrew the allen wrench part...

I suppose I could unscrew the allen wrench part and get a pic of the wheels that way, even pull the wheel out (and clean it off) if I wanted to.

I thought this was going to be a simple purchase...
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