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Search: Posts Made By: Steve_sr
Showing results 1 to 27 of 27
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Forum: Bicycle Mechanics
12-20-22, 07:22 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

I am going to be in the East Brunswick, NJ area...

I am going to be in the East Brunswick, NJ area over the holidays which is close to Trenton and Philly. Do you, by chance, know of any Ti frame builders in that area that I might visit?

Thanks,...
Forum: Bicycle Mechanics
12-19-22, 09:32 AM
Replies: 117
Views: 3,612
Posted By Steve_sr

Well, I am hoping that this isn't the case. ...

Well, I am hoping that this isn't the case.



This is what I am hoping for. Please see the attached photos of the existing shim. It also looks very similar to the one in the Moots video linked...
Forum: Bicycle Mechanics
12-15-22, 02:41 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

Ultimately, this is the path that I would like to...

Ultimately, this is the path that I would like to take. However, since the builder doesn't consider this an issue they would likely to be unwilling to provide a sleeve.

I would suspect that these...
Forum: Bicycle Mechanics
12-15-22, 02:21 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

They don't consider it a problem. ...

They don't consider it a problem.



Didn't get much help here. Most of the FB in the forum seem to use steel and don't have experience with Ti.
Forum: Bicycle Mechanics
12-15-22, 02:17 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

He has closed up during the pandemic and moved...

He has closed up during the pandemic and moved out of the area
Forum: Bicycle Mechanics
12-14-22, 11:01 AM
Replies: 117
Views: 3,612
Posted By Steve_sr

Thanks for the continued discussion. However, I...

Thanks for the continued discussion. However, I am sort of stuck lacking available resources and expertise.

1. Finding an oversize seat post is pretty much a non-starter as they aren't available...
Forum: Bicycle Mechanics
12-10-22, 03:34 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

There are no local frame builders in this area. I...

There are no local frame builders in this area. I located the one who closed up shop during the pandemic and he moved back to the left coast somewhere.

Someone can correct this if my thinking is...
Forum: Bicycle Mechanics
12-06-22, 03:05 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

I have checked the (few) local hobby stores and...

I have checked the (few) local hobby stores and they sell K & S Precision Metals products and K & S doesn't offer anything in .007" thickness.

I did however have some luck finding some Maudlin...
Forum: Bicycle Mechanics
12-06-22, 02:58 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

They have already proven that they couldn't do it...

They have already proven that they couldn't do it right the first time. What makes you think that they could do it correctly the second time? Isn't that one of the definitions of insanity?
Forum: Bicycle Mechanics
12-05-22, 07:05 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

I did some testing today with some half inch wide...

I did some testing today with some half inch wide .003" pieces of an aluminum Coke can. As I suspected the bore is tapered. Smaller at the bottom than the top. Bottom looks to be about .014" while...
Forum: Bicycle Mechanics
11-30-22, 01:45 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

Here is an interesting data point: ...

Here is an interesting data point:

https://www.ticycles.com/news/service-ybb-merlin-fat-beat-yoke

Moots apparently had a MTB design that used the Ti chain stays as part of the suspension....
Forum: Bicycle Mechanics
11-30-22, 10:18 AM
Replies: 117
Views: 3,612
Posted By Steve_sr

I don't really have a choice. The builder doesn't...

I don't really have a choice. The builder doesn't consider it a problem and even if they did they have demonstrated that they either don't have the correct tooling and/or expertise to do this...
Forum: Bicycle Mechanics
11-28-22, 07:52 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

I am headed to the hardware store tomorrow but...

I am headed to the hardware store tomorrow but may end up at MSC or McMaste-Carr.
Forum: Bicycle Mechanics
11-28-22, 07:50 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

First I see a mistake on my part. The nominal...

First I see a mistake on my part. The nominal post hole should be 31.6mm NOT 31.8mm.

I thought about the beer/pop can angle but today's coke cans are only .003" thick!
Forum: Bicycle Mechanics
11-22-22, 08:51 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

Well, I took some caliper measurements of the...

Well, I took some caliper measurements of the seat tube both above and below the top tube. The tube is round within a couple of thoudandths. The diameter is also pretty consistent within .005-.010"...
Forum: Bicycle Mechanics
11-20-22, 07:46 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

Well, there was/is/maybe a local Ti frame builder...

Well, there was/is/maybe a local Ti frame builder that I only found out about after I ordered this bike. He shut down during Covid because he couldn't get the components to finish a bike. I looked...
Forum: Bicycle Mechanics
11-19-22, 07:44 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

Here is a better photo with the clamp tightened...

Here is a better photo with the clamp tightened to 5nm. Without the clamp the sides of the slot are parallel:

...
Forum: Bicycle Mechanics
11-18-22, 08:22 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

THis was supposed to be a Shimano 2X GRX build...

THis was supposed to be a Shimano 2X GRX build but showed up with a Dura-ace BB and chain.
Forum: Bicycle Mechanics
11-18-22, 08:03 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

We are not quite there yet... The bike was...

We are not quite there yet...

The bike was ordered as a custom less wheels. The bike was supposed to have been assembled with surrogate wheels, checked out, and then shipped. Apparently that...
Forum: Bicycle Mechanics
11-17-22, 08:38 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

Well the builder has responded and claims that it...

Well the builder has responded and claims that it is within "tolerance" so won't be reworking the frame. The bike has been paid for long ago and I don't have any leverage other than the builders good...
Forum: Bicycle Mechanics
11-17-22, 07:35 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

The specs on my frame drawing say 31.6mm. I don't...

The specs on my frame drawing say 31.6mm. I don't think that there is a standard 31.8 seat post. I think a lot of folks get confused as 31.8mm is standard clamp size for handlebars.
Forum: Bicycle Mechanics
11-16-22, 03:37 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

I did hear back from the builder about the...

I did hear back from the builder about the fabrication steps. Apparently the relief slot through the insert is not cut until insert is reamed to the correct dimension. The reamer apparently can't...
Forum: Bicycle Mechanics
11-16-22, 03:16 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

The Thomson post shown in the photo is 1.245"...

The Thomson post shown in the photo is 1.245" (31.62mm) The frame measures 1.265" (32.13mm). The seat tube is clearly over by .020" (0.5mm)




The post should fit without an insert. The insert...
Forum: Bicycle Mechanics
11-16-22, 10:44 AM
Replies: 117
Views: 3,612
Posted By Steve_sr

Here are a couple of photos. Another issue is...

Here are a couple of photos. Another issue is that the seatpost clamp is within .015" of completely closed when tightened to the 5nm torque spec.
...
Forum: Bicycle Mechanics
11-16-22, 10:36 AM
Replies: 117
Views: 3,612
Posted By Steve_sr

It is on my list. trouble is that the frame...

It is on my list. trouble is that the frame builder is in Colorado and I'm in North Carolina.
Forum: Bicycle Mechanics
11-15-22, 07:16 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

I am not a frame builder but I assume that these...

I am not a frame builder but I assume that these are pressed in place and then honed/reamed to the proper fit.



The nominal seatpost diameter is 31.6mm. The hole diameter is .020" (0.5mm)...
Forum: Bicycle Mechanics
11-15-22, 04:58 PM
Replies: 117
Views: 3,612
Posted By Steve_sr

Seatpost - Seat Tube Clearance - How much is too much?

Hello,

This is with a new titanium frame with (I am assuming) an aluminum insert that was supposed to be honed to match the seatpost. Well, the builder (I think) got a bit overzealous with the...
Showing results 1 to 27 of 27


 
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