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Search: Posts Made By: dsbrantjr
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06-23-22, 04:46 PM
Replies: 8
Views: 231
Posted By dsbrantjr

I make all of my controls "race tight", tight...

I make all of my controls "race tight", tight enough to stay put under normal stresses, but still able to move/rotate during a spill/crash, hopefully minimizing damage and injuries.
06-22-22, 01:42 PM
Replies: 20
Views: 547
Posted By dsbrantjr

You do not want glue, you want "vulcanizing...

You do not want glue, you want "vulcanizing fluid" which, when correctly used, causes a chemical bond between the tube and the patch. Sulfur something something, one of the organic chemists in the...
06-22-22, 07:45 AM
Replies: 7
Views: 172
Posted By dsbrantjr

My go-to for dissimilar metal joints/fasteners...

My go-to for dissimilar metal joints/fasteners where electrolytic corrosion is a concern, is Tef-Gel: https://www.tefgel.com/contain.php?param=tefgel_infor
06-20-22, 06:05 PM
Replies: 11
Views: 202
Posted By dsbrantjr

By clamping over the bar tape you have...

By clamping over the bar tape you have effectively shimmed the bar to a 2mm or more larger diameter. Do not expect that this will work well.
06-20-22, 10:22 AM
Replies: 10
Views: 287
Posted By dsbrantjr

What do you expect to gain with this change?

What do you expect to gain with this change?
06-14-22, 06:10 PM
Replies: 6
Views: 301
Posted By dsbrantjr

A BIG downside to screw extractors/easy outs is...

A BIG downside to screw extractors/easy outs is that if you break one off you now have a piece of hardened steel to contend with, too.
06-07-22, 04:10 AM
Replies: 11
Views: 204
Posted By dsbrantjr

How did you determine this wear? If you used one...

How did you determine this wear? If you used one of those chain checkers you may be getting a pessimistic reading. Try measuring the chain with a good steel rule, instead.
It is also possible...
06-01-22, 04:36 AM
Replies: 32
Views: 776
Posted By dsbrantjr

The inner cables are different and, crucially,...

The inner cables are different and, crucially, the housings are of very different construction, shift housing being substantially weaker. Never use shift cable or housing for brake systems, ever.
05-24-22, 05:58 AM
Replies: 5
Views: 258
Posted By dsbrantjr

There is a whole spectrum of blasting media, from...

There is a whole spectrum of blasting media, from walnut shells and corncobs to baking soda and plastic beads; a discussion with one or more folks who do this kind of work might yield an even better...
05-10-22, 04:03 AM
Replies: 10
Views: 313
Posted By dsbrantjr

Those crank arms have a square taper interface...

Those crank arms have a square taper interface and will require an aptly-named "crank puller" to pull them off of the taper. Something like this is suitable: ...
05-05-22, 04:10 AM
Replies: 90
Views: 1,933
Posted By dsbrantjr

The key is to use a good vulcanizing fluid, which...

The key is to use a good vulcanizing fluid, which causes a chemical reaction that fuses the rubber pieces together, NOT ordinary rubber cement.
04-28-22, 06:21 PM
Replies: 13
Views: 303
Posted By dsbrantjr

Considering how much time you are going to be...

Considering how much time you are going to be pushing the bike backwards, how much time and work (and risk of degraded braking) is it worth to spend silencing it?
04-28-22, 06:12 PM
Replies: 42
Views: 1,001
Posted By dsbrantjr

It might break when you are standing up pedaling...

It might break when you are standing up pedaling hard, putting some sensitive parts of your body onto the top tube, hard. Or you could crash. Or nothing. Wanna bet which? Feeling lucky?
04-26-22, 12:48 PM
Replies: 6
Views: 168
Posted By dsbrantjr

Set the shifter for the smallest rear cog (most...

Set the shifter for the smallest rear cog (most cable payed out) and make certain that the chain is also on the smallest cog, before securing the cable.
04-25-22, 08:26 PM
Replies: 3
Views: 124
Posted By dsbrantjr

Check at an auto parts store, they often have...

Check at an auto parts store, they often have flat and gloss black, perhaps they will have satin as well. You could also get a spray can of satin black and just spray a little into a container then...
04-25-22, 04:19 AM
Replies: 3
Views: 218
Posted By dsbrantjr

Both brakes will probably not feel the same...

Both brakes will probably not feel the same regardless, due to the much longer cable run to the rear.
04-23-22, 08:28 PM
Replies: 4
Views: 208
Posted By dsbrantjr

Too-long bolts can be cut down to length.

Too-long bolts can be cut down to length.
04-21-22, 06:02 PM
Replies: 45
Views: 1,210
Posted By dsbrantjr

Agree 100%, I just take a few hex/ball...

Agree 100%, I just take a few hex/ball L-wrenches, a small cross+straight screwdriver, a Mini Chain Brute and a few other items. Smaller and lighter than a multi-tool.

Quick test: mount a seat...
04-16-22, 08:14 AM
Replies: 55
Views: 2,249
Posted By dsbrantjr

Cyanoacrylic (Krazy-type) adhesive will also keep...

Cyanoacrylic (Krazy-type) adhesive will also keep the strands together. The UV-cure kind hardens instantly.
04-16-22, 07:44 AM
Replies: 18
Views: 463
Posted By dsbrantjr

Cables do not last forever, are inexpensive to...

Cables do not last forever, are inexpensive to change, and make an often remarkable improvement when replaced. I replace the outers at the same time.
Also, make certain that your barrel adjusters...
04-11-22, 03:11 PM
Replies: 11
Views: 241
Posted By dsbrantjr

You should check for cable fraying regularly and...

You should check for cable fraying regularly and whenever an unexpected shift indexing adjustment or other change is needed. Once the cvables have bedded in initially they should not require much...
04-11-22, 06:08 AM
Replies: 11
Views: 241
Posted By dsbrantjr

I believe the OP means that the head of the cble...

I believe the OP means that the head of the cble has broken off inside of the shifter. They can be gotten out but not without considerble pain IME.
04-06-22, 08:05 AM
Replies: 23
Views: 759
Posted By dsbrantjr

Never Fix A Running Piece.

Never Fix A Running Piece.
03-30-22, 07:24 PM
Replies: 6
Views: 521
Posted By dsbrantjr

Three things which may help mitigate peeling: ...

Three things which may help mitigate peeling: Thorough cleaning/degreasing of the surface (and don't get finger oils on the adhesive), rounding corners to as large a radius possible to minimize...
03-21-22, 03:55 AM
Replies: 23
Views: 860
Posted By dsbrantjr

Check your tire clearances all around before...

Check your tire clearances all around before installing larger tires. Check all around, on 2 of my bikes the front derailleur mechanism (check all gears) is the tight spot for the rear tire; also...
03-20-22, 02:21 PM
Replies: 6
Views: 393
Posted By dsbrantjr

More likely, "too alkaline"

More likely, "too alkaline"
03-17-22, 07:30 PM
Replies: 43
Views: 813
Posted By dsbrantjr

The metric diameter/inch thread pitch combination...

The metric diameter/inch thread pitch combination arose because the non-English makers were using lathes made in England which are only geared to cut inch thread pitches but which can cut arbitrary...
03-16-22, 03:26 PM
Replies: 6
Views: 248
Posted By dsbrantjr

A nice clear photo of the end of thepotential...

A nice clear photo of the end of thepotential crack (out of focus above) might help, as would an eyeball look with ~10X magnification.

I would kind of expect a crack to follow the weld bead.
03-16-22, 03:00 PM
Replies: 40
Views: 879
Posted By dsbrantjr

There's always the old Sheldon Brown fixed-cup...

There's always the old Sheldon Brown fixed-cup tool method: https://www.sheldonbrown.com/tooltips/bbcups.html
or a supposedly improved version: ...
03-16-22, 02:21 PM
Replies: 40
Views: 879
Posted By dsbrantjr

Heating the cup will make it tighter in its bore,...

Heating the cup will make it tighter in its bore, you want to cool the cup and/or heat the bottom bracket shell to loosen the fit.
How about a hot air gun vs a torch? Or maybe cold spray on the cup?
03-16-22, 02:17 PM
Replies: 33
Views: 981
Posted By dsbrantjr

Earn style points for greasing all threaded...

Earn style points for greasing all threaded fasteners, they will drive easier and remove easier. Properly-torqued fasteners tend to stay put better but you should check periodically, rack hardware...
03-14-22, 03:45 PM
Replies: 13
Views: 260
Posted By dsbrantjr

Consider making a small offering: ...

Consider making a small offering: https://www.harborfreight.com/17-in-mini-magnetic-sweeper-62704.html
A strong flashlight shined at a grazing angle along the floor will help highlight lost...
03-14-22, 03:40 PM
Replies: 12
Views: 286
Posted By dsbrantjr

Much of the strength of a tire comes from the...

Much of the strength of a tire comes from the fabric plies and not the rubber. I do not let minor sidewall checking or tread cracking worry me. However, if you can pick pieces off with your...
03-13-22, 07:58 PM
Replies: 21
Views: 582
Posted By dsbrantjr

The tradeoff for hand pumps is pressure vs...

The tradeoff for hand pumps is pressure vs volume; a high-volume pump may not be able to achieve sufficient pressure.
03-13-22, 05:58 PM
Replies: 19
Views: 444
Posted By dsbrantjr

Many industrial bearings have (sometimes literal)...

Many industrial bearings have (sometimes literal) brushes which short across shaft bearings so that current doesn't flow through them, as arcing from bearings to races can damage both.
03-06-22, 06:22 PM
Replies: 14
Views: 575
Posted By dsbrantjr

I always consider "use one time" to mean "toss it...

I always consider "use one time" to mean "toss it when you toss the chain". I open/close mine for maintenance without any concern.
03-04-22, 05:52 PM
Replies: 16
Views: 532
Posted By dsbrantjr

Rivendell uses sturdy and "sensible" stuff on...

Rivendell uses sturdy and "sensible" stuff on their bikes, you might find some good ideas here: https://www.rivbike.com/collections/derailers
02-23-22, 07:39 AM
Replies: 11
Views: 365
Posted By dsbrantjr

Or even a loop of twine, anything that keeps the...

Or even a loop of twine, anything that keeps the cable out of the tire.
02-18-22, 11:46 AM
Replies: 50
Views: 1,160
Posted By dsbrantjr

That is exactly what I did, it took longer to get...

That is exactly what I did, it took longer to get out the angle grinder to cut off the handle than to actually cut it. You can also insert another key (or stick) through the triangular handle for...
02-17-22, 04:54 AM
Replies: 5
Views: 211
Posted By dsbrantjr

I use SRAM and KMC, with the quick links.

I use SRAM and KMC, with the quick links.
02-17-22, 04:52 AM
Replies: 29
Views: 767
Posted By dsbrantjr

Please do not use gasoline (camp stove fuel) as...

Please do not use gasoline (camp stove fuel) as anything but a fuel. It is highly flammable, creates explosive vapors which will travel a long way to an ignition source, is toxic by inhalation and...
02-04-22, 05:12 AM
Replies: 16
Views: 532
Posted By dsbrantjr

When cable ends are molded on commercially, the...

When cable ends are molded on commercially, the end of the cabler is unlaid and formed into a "floret" which locks into the molten metal. Just trying to cast an end on an unprepared cable will...
02-03-22, 07:15 AM
Replies: 20
Views: 641
Posted By dsbrantjr

Worn chains and new cassettes do not always run...

Worn chains and new cassettes do not always run well together so I install a new one chain and keep the old one together with the cassette as a set.
01-31-22, 01:47 PM
Replies: 14
Views: 529
Posted By dsbrantjr

I like the Gevenalle brake/shifters for their...

I like the Gevenalle brake/shifters for their simplicity and ruggedness, and they offer an economical repair service if you do manage to break them. Remember they were developed for 'cross racing.
01-31-22, 01:43 PM
Replies: 18
Views: 440
Posted By dsbrantjr

I have worked in both military and space and the...

I have worked in both military and space and the use of crimped terminations was common and is getting more so. Even with trained assemblers using thermal strippers and anti-wicking tweezers and all...
01-29-22, 09:44 AM
Replies: 14
Views: 397
Posted By dsbrantjr

I torque steerers and other controls "race tight"...

I torque steerers and other controls "race tight" so that they cannot be moved with normal forces but can move under firm pressure, so that they will be less likely to be broken or to impale the...
01-28-22, 08:19 AM
Replies: 2
Views: 301
Posted By dsbrantjr

These should not be confused with other "CLR"...

These should not be confused with other "CLR" products, which are intended to remove Calcium, Lime and Rust from kitchen and bathroom fixtures..
01-26-22, 09:19 AM
Replies: 10
Views: 478
Posted By dsbrantjr

Take plenty of photos during disassembly, and...

Take plenty of photos during disassembly, and preferably disassemble over a tarp or similar so that any escaping bearing balls can be corralled.
01-23-22, 11:40 AM
Replies: 28
Views: 881
Posted By dsbrantjr

I use die-drawn stainless inners and lined...

I use die-drawn stainless inners and lined housings without lube, so no stiffening in cold weather; at least not my cables.
01-19-22, 08:46 PM
Replies: 17
Views: 633
Posted By dsbrantjr

I always attach my controls "race tight", which...

I always attach my controls "race tight", which is secure enough to stay put under normal use, but able to be moved with firm force so that in a crash you are less likely to be impaled and the part...
Showing results 1 to 50 of 1000
 


 
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