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Search: Posts Made By: mrmb
Showing results 1 to 50 of 246
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04-16-23, 08:53 PM
Replies: 34
Views: 3,072
Posted By mrmb

200 more miles, no problems

200 more miles, no problems
04-03-23, 08:50 AM
Replies: 34
Views: 3,072
Posted By mrmb

Several hundred miles in since last update. ...

Several hundred miles in since last update.

No problems.
03-19-23, 09:02 PM
Replies: 43
Views: 3,454
Posted By mrmb

Got it all together and gave this a try today....

Got it all together and gave this a try today. Since it has low pressure, high volume tires (29 x 2.5 @ 30psi) all that really happened is the tires flexed and distorted some. I couldnt get any...
03-19-23, 08:59 PM
Replies: 43
Views: 3,454
Posted By mrmb

Stainless steel

Stainless steel
03-12-23, 09:16 PM
Replies: 43
Views: 3,454
Posted By mrmb

It's not over 2mm. The gap is actually...

It's not over 2mm.

The gap is actually UNDER 2mm. Just barely under 2mm.
03-12-23, 09:15 PM
Replies: 43
Views: 3,454
Posted By mrmb

Never thought of that. I'll give this a try once...

Never thought of that. I'll give this a try once it's together.
03-12-23, 09:14 PM
Replies: 43
Views: 3,454
Posted By mrmb

Yes, paintwork. And scuffing the chromemoly....

Yes, paintwork. And scuffing the chromemoly. Moving the chainring means losing my perfect chainline. My only real option here is to use a smaller chainring. But then that means a different cog too in...
03-12-23, 09:10 PM
Replies: 43
Views: 3,454
Posted By mrmb

Chainline is spot on.

Chainline is spot on.
02-25-23, 09:57 PM
Replies: 1
Views: 236
Posted By mrmb

Patellar Tendonitis finally bit me

After about 10 years of riding about 100miles per week.

It's been a couple weeks since the onset and it's already going away, thankfully.

I know exactly what brought this on. I have never been...
02-15-23, 01:14 AM
Replies: 43
Views: 3,454
Posted By mrmb

Would you run a chainring this close to the chainstay?

Just under 2mm


https://cimg6.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/12b20183_2e7d_4350_879a_cfc0c14a9bd3_7763e835529d08b2056e23fbf9c5a30cfe5813c0.jpeg...
02-12-23, 01:58 PM
Replies: 70
Views: 4,416
Posted By mrmb

How much “wheel hop” do you consider acceptable when truing a wheel?

Of course 0mm is ideal.

But if you end up with 1mm, do you call it good? 2mm? 5mm?

I mean, once tension is even and of proper amount and side to side is true, but you have “x” amount of wheel...
02-12-23, 11:33 AM
Replies: 8
Views: 310
Posted By mrmb

What third party has wheel building specs for the...

What third party has wheel building specs for the Formula hubs in the pic above?
02-12-23, 11:31 AM
Replies: 8
Views: 310
Posted By mrmb

Hmm, from White Industries…btw I mostly use White...

Hmm, from White Industries…btw I mostly use White so I guess I am used to the manufacture giving this info.

...
02-12-23, 11:23 AM
Replies: 34
Views: 3,072
Posted By mrmb

Another 100miles, no issues…

Another 100miles, no issues…
02-12-23, 11:21 AM
Replies: 8
Views: 310
Posted By mrmb

Wheel building specs for Formula hubs?

Am I missing something or is this all they publish?

...
02-07-23, 12:47 AM
Replies: 34
Views: 3,072
Posted By mrmb

Another few hundred miles in… No problems...

Another few hundred miles in…

No problems yet…
01-21-23, 10:41 AM
Replies: 34
Views: 3,072
Posted By mrmb

Another 100+ miles in. No problems! The...

Another 100+ miles in.

No problems!

The whole “it will slip and the skewer can’t handle the weight” is a fallacy from those that don’t know any better. It’s no more prone to slip than a nutted...
01-15-23, 06:52 PM
Replies: 34
Views: 3,072
Posted By mrmb

Campy made track hubs with skewers for track use....

Campy made track hubs with skewers for track use. They got banned at the track because of the risk of the skewer getting hit and loosening. So Campy quit making them. Nothing to do with the design...
01-07-23, 11:30 AM
Replies: 34
Views: 3,072
Posted By mrmb

Update….about 70 miles this week on this bike and...

Update….about 70 miles this week on this bike and this set-up worked perfectly. Will it work it the long run, we’ll see!

To your point about skewer not handling the weight….well, it doesn’t have...
01-02-23, 10:21 AM
Replies: 34
Views: 3,072
Posted By mrmb

The pic shows an empty free hub and a cog mounted...

The pic shows an empty free hub and a cog mounted to the end opposite the free hub. The cog is bolted to the disc brake flange. Works very well.

Hopefully this Sheldon Brown Kludge works equally...
01-02-23, 01:35 AM
Replies: 34
Views: 3,072
Posted By mrmb

If I was, I would. But…..it’s fixed. ...

If I was, I would.

But…..it’s fixed.

Hence, no tensioner.
01-01-23, 10:01 PM
Replies: 34
Views: 3,072
Posted By mrmb

Those pics are a little blurry because I zoomed...

Those pics are a little blurry because I zoomed in. Here are the non-zoomed pics.

...
01-01-23, 09:59 PM
Replies: 34
Views: 3,072
Posted By mrmb

To your point about chain stretch and no...

To your point about chain stretch and no adjustment, see the pics. There is actually a decent amount of adjustment. As pictured, chain tension is perfect.

...
01-01-23, 03:38 PM
Replies: 34
Views: 3,072
Posted By mrmb

In thinking this through, the conclusion I come...

In thinking this through, the conclusion I come up with is that the springs aid in pushing the nut end and cam end away from the hub to aid in wheel removal. And, the springs aid in installing the...
01-01-23, 03:21 PM
Replies: 34
Views: 3,072
Posted By mrmb

It will slip? Thats contrary to Sheldon and...

It will slip?

Thats contrary to Sheldon and everyone that’s actually done this.

I am just trying to figure out the springs.
01-01-23, 01:24 PM
Replies: 34
Views: 3,072
Posted By mrmb

Without getting into a long story, lets just say...

Without getting into a long story, lets just say anything eccentric is a no-go in this particular case.

So back to the springs that come on the skewer.
12-31-22, 09:42 PM
Replies: 24
Views: 6,105
Posted By mrmb

A cog is a sprocket, but a sprocket isn’t...

A cog is a sprocket, but a sprocket isn’t necessarily a cog. A cog is a kind of sprocket, one of many.

Thats my understanding…
12-31-22, 09:19 PM
Replies: 34
Views: 3,072
Posted By mrmb

Sheldon’s kludges for derailerless bikes

One Kludge involves the shortening of the rear axle so that the skewer is the only thing passing through the vertical dropouts. Idea being, you now have a little bit of adjustment for chain tension...
12-31-22, 06:51 PM
Replies: 14
Views: 1,728
Posted By mrmb

Looks like the skewer shaft and nut on my Shimano...

Looks like the skewer shaft and nut on my Shimano deore xt QR set are both steel, so that’s good. Still open to other options, but that is what is in my hands right now.


Do these tend to be made...
12-31-22, 01:29 PM
Replies: 14
Views: 1,728
Posted By mrmb

So with a QR set up, what’s more important….shaft...

So with a QR set up, what’s more important….shaft material or nut material? Or are they equally important?
12-31-22, 01:27 PM
Replies: 14
Views: 1,728
Posted By mrmb

Got a part number, or product name or anything?...

Got a part number, or product name or anything? Looking around, manufacturers tend not to list the shaft and nut material on retailers sites, not where I have looked anyways.
12-31-22, 12:19 PM
Replies: 26
Views: 2,893
Posted By mrmb

You are basically trying to defy the laws of...

You are basically trying to defy the laws of physics.

Anything that helps you going uphill, hurts you going downhill and visa versa. The ideal gearing for the flats, will hurt you on hills.
...
12-31-22, 12:13 PM
Replies: 14
Views: 1,728
Posted By mrmb

Quick release skewers. Which to use, which to avoid?

I get that QR skewers can work perfectly well with a fixed gear bike. I am not looking to debate QR vs axle nuts.

Without getting into a long story, I am stuck with QR, but my issue is that I am...
09-06-21, 01:18 PM
Replies: 19
Views: 1,923
Posted By mrmb

The one thing I think Sheldon Brown got dead wrong

Chain tension on a fixed gear set-up.

He says to set it up as tight as possible without binding. To make matters worse, he does not explain his definition of binding. I used to do it this way, and...
08-05-21, 09:04 PM
Replies: 10
Views: 893
Posted By mrmb

Here is is. No "duh" moment. Been using it for a...

Here is is. No "duh" moment. Been using it for a little while and no noticable slippage, but I still don't like it. No time for dismantling and measuring at the moment.
...
08-05-21, 07:01 AM
Replies: 10
Views: 893
Posted By mrmb

It is a 1in steerer. It is a 1 1/8 stem. ...

It is a 1in steerer.

It is a 1 1/8 stem.

It is a 1 to 1 1/8 spacer.

What more am I to measure?
08-04-21, 09:50 PM
Replies: 10
Views: 893
Posted By mrmb

1 1/8 inch threadless stem on 1 inch steerer tube problem

So.....1in steerer (pake frame and fork) with Thomson 1 1/8 inch stem and Thomson spacer to space the steerer up to 1 1/8 inch, to accept the stem.

The problem is that when I tighten the stem...
07-31-21, 10:11 AM
Replies: 6
Views: 2,244
Posted By mrmb

38mm tire on 25mm internal width rim?

White Industries G25A says 40mm to 54mm on their site and 38mm to 50mm on the rim itself. I asked about the inconsistencies and was told they are both half right...38mm to 54mm will be fine.

So, I...
07-24-21, 10:40 PM
Replies: 7
Views: 443
Posted By mrmb

This hub, shimano deore xt, with a symmetrical...

This hub, shimano deore xt, with a symmetrical rim ends up with uneven spoke tension. This asymmetrical rim corrected that.

So, I played around with this (tubeless set-up) pretty much all...
07-24-21, 05:05 PM
Replies: 7
Views: 443
Posted By mrmb

This is what i end up with... Contact, but...

This is what i end up with...

Contact, but not full contact.

https://cimg4.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1124/1627167869947_249134752_ba6a46e50933e3c82efdc6eef6dfd7b9ba3ce85d.jpg
07-24-21, 04:56 PM
Replies: 7
Views: 443
Posted By mrmb

First tubeless set-up. Tape?

So, I have the proper stans tubeless rim tape.

However, I am having a hard time getting full rim-to-tape contact. I and up with gaps where it would ideal to have contact.

The rim (White...
07-13-21, 09:51 PM
Replies: 11
Views: 828
Posted By mrmb

Looks like you have spent more time thinking...

Looks like you have spent more time thinking about it and talking about than it would take to do it. Just get it over with and move on with life.
07-12-21, 10:53 PM
Replies: 31
Views: 9,040
Posted By mrmb

Forward facing vs rear facing horizontal track ends / dropouts?

Foreward facing semi horizontal dropout

https://cimg0.ibsrv.net/gimg/bikeforums.net-vbulletin/350x289/ffhwd_6fe1d6a4a0ca163f04f35baf86366fb28df66bdd.jpg

Rear facing track end
...
05-29-21, 05:16 PM
Replies: 10
Views: 1,086
Posted By mrmb

Cartridge bearing. Not sure about the "fangled...

Cartridge bearing. Not sure about the "fangled thru axle" thing.

White Industries M15 hub. If it's as good as everyone says it is then i guess I did good!
...
05-29-21, 04:16 PM
Replies: 10
Views: 1,086
Posted By mrmb

Out of curiosity, what is it that you see that...

Out of curiosity, what is it that you see that gives you an indication as to build quality?
05-29-21, 09:22 AM
Replies: 10
Views: 1,086
Posted By mrmb

Low flange hub with 36 holes, holes too close to eachother?

Low flange hub, 36 holes.

I got to wondering about the hole-to-hole distance and potential weak points there.

Is this anything to worry about or not?
...
04-25-21, 05:59 PM
Replies: 14
Views: 800
Posted By mrmb

When I say "vertical trueness" I mean "radial...

When I say "vertical trueness" I mean "radial trueness".
04-25-21, 05:01 PM
Replies: 14
Views: 800
Posted By mrmb

Radial trueness of a new wheel

Been having a hard time with this one. Lateral trueness, dish, even tension....doing well. Got it down.

Some of my builds come out with perfect radial trueness and I don't know why. Others have a...
04-24-21, 10:38 PM
Replies: 16
Views: 1,416
Posted By mrmb

Phil Wood bb, campy cranks...

Phil Wood bb, campy cranks...
04-24-21, 09:50 PM
Replies: 1
Views: 920
Posted By mrmb

Phil Wood Bottom Bracket, adjustable?

I am using a campy square taper bottom bracket made by Phil Wood.

It is adjustable in that once it is installed and centered, you can loosen one cup and tighten the other. This is to move the...
Showing results 1 to 50 of 246
 


 
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