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Search: Posts Made By: dsbrantjr
Showing results 1 to 50 of 1000
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01-20-20, 06:41 PM
Replies: 6
Views: 138
Posted By dsbrantjr

I routinely grind worn hex drivers back to new,...

I routinely grind worn hex drivers back to new, sharp corners. Just go slow and don't overheat them, dunking them in water helps, or use a wet wheel.
01-20-20, 05:56 AM
Replies: 4
Views: 67
Posted By dsbrantjr

36H means that there are 36 spoke holes. You...

36H means that there are 36 spoke holes. You will need to know several specifications of your hub and rim, and the spoking pattern you intend to use, to calculate your spoke lengths.
01-20-20, 05:53 AM
Replies: 15
Views: 237
Posted By dsbrantjr

Some pedals have only the hex socket (Allen is a...

Some pedals have only the hex socket (Allen is a trademark), a square drive hex bit and breaker bar will save your knuckles. I have a crowfoot wrench which is thin enough to fit pedal flats, also...
01-18-20, 09:28 PM
Replies: 33
Views: 376
Posted By dsbrantjr

This has a 2.5:1 reduction capability: rehab...

This has a 2.5:1 reduction capability: rehab drive - schlumpfdrive - ultraflat Planetary Gear for Bikes (http://www.schlumpfdrive.com/index.php/rehab-drive.html)
01-18-20, 11:03 AM
Replies: 6
Views: 93
Posted By dsbrantjr

Thanks for letting us know. So often we give...

Thanks for letting us know. So often we give advice and get no feedback as whether it actually solved the problem.
01-17-20, 07:08 PM
Replies: 5
Views: 217
Posted By dsbrantjr

I suspect that the bead is not even. Check the...

I suspect that the bead is not even. Check the witness line which should be even with the bead all the way around the rim.
01-17-20, 07:05 PM
Replies: 16
Views: 266
Posted By dsbrantjr

Plug the numbers into this calculator and see for...

Plug the numbers into this calculator and see for yourself: https://www.kstoerz.com/gearcalc/compare/
01-17-20, 07:01 PM
Replies: 14
Views: 265
Posted By dsbrantjr

Well, the hangers which are integral to steel...

Well, the hangers which are integral to steel dropouts ARE stamped (or cast) out of steel, but they lack the mechanical "fuse" action of a weaker aluminum.hanger
01-17-20, 06:58 PM
Replies: 14
Views: 265
Posted By dsbrantjr

The 6061 is the alloy, the T designation is the...

The 6061 is the alloy, the T designation is the heat treating temper designation. So 6061-0 is in the annealed state and T6 is heat treated and artificially aged. ...
01-17-20, 02:47 PM
Replies: 14
Views: 265
Posted By dsbrantjr

The most common aluminum alloys used for casting...

The most common aluminum alloys used for casting are the 300 series alloys, with A380 being the most commonly specified. The300 series are composed of aluminum, silicon and copper or magnesium...
01-16-20, 08:53 PM
Replies: 16
Views: 510
Posted By dsbrantjr

Finish off the wrap with self-fusing silicone...

Finish off the wrap with self-fusing silicone tape instead of electrical tape.
01-16-20, 06:04 AM
Replies: 7
Views: 148
Posted By dsbrantjr

That bike has clearly (and unsurprisingly) been...

That bike has clearly (and unsurprisingly) been knocked around quite a bit during its life, judging from the wear on the drive side chainstay. Have you checked the derailleur hanger alignment and...
01-15-20, 05:07 PM
Replies: 17
Views: 239
Posted By dsbrantjr

^This. Fender fitting is custom for pretty much...

^This. Fender fitting is custom for pretty much every installation for best results. Just be sure to make/leave rounded corners on the slots so that a crack does not start there. I do this by...
01-15-20, 08:55 AM
Replies: 5
Views: 358
Posted By dsbrantjr

Use a hammer and punch if you must, using a...

Use a hammer and punch if you must, using a screwdriver as a punch is poor technique and will likely damage the tool.
01-15-20, 08:53 AM
Replies: 12
Views: 329
Posted By dsbrantjr

Another variable is your pedaling cadence;...

Another variable is your pedaling cadence; learning to spin faster may eliminate the need for gearing changes and is better for your cardio and knees than mashing too-high gears.
According to this...
01-14-20, 06:57 PM
Replies: 12
Views: 329
Posted By dsbrantjr

If you change the gearing you will also need a...

If you change the gearing you will also need a different belt length unless your frame has sufficient adjustment range. There might be a "magic" combination which will not.
01-14-20, 06:55 PM
Replies: 8
Views: 192
Posted By dsbrantjr

I am not an expert but I do not see how you can...

I am not an expert but I do not see how you can make a wheel with the spokes on both sides pulling the same direction. I think that the -80 in the tension ratio entry is not possible, I think it...
01-14-20, 12:57 PM
Replies: 11
Views: 222
Posted By dsbrantjr

Well, according to this document...

Well, according to this document https://bike.shimano.com/en-AU/product/component/grx-11-speed/RD-RX812.html the RD has a total capacity of 31T, so a 11-40 cassette would only leave 2T difference for...
01-13-20, 04:29 PM
Replies: 12
Views: 251
Posted By dsbrantjr

The lithium in grease is in the form of a soap...

The lithium in grease is in the form of a soap formed by saponifying a lithium salt with a fatty acid; there is no lithium metal to participate in a galvanic reaction. Red herring IMO. If there is...
01-13-20, 04:19 PM
Replies: 47
Views: 1,297
Posted By dsbrantjr

I have an Allen 20574 3/8" drive crowfoot wrench...

I have an Allen 20574 3/8" drive crowfoot wrench which is narrow enough to fit any pedal flats I have come across, and I can put whatever breaker bar is needed on it. I use stainless pedal washers...
01-13-20, 12:01 PM
Replies: 12
Views: 251
Posted By dsbrantjr

Use grease now, swab out the seat tube with...

Use grease now, swab out the seat tube with mineral spirits and use carbon paste when you decide to switch to a carbon post.
01-12-20, 07:53 PM
Replies: 31
Views: 525
Posted By dsbrantjr

The chain should never be tight, you should be...

The chain should never be tight, you should be able to move the top and bottom runs of chain up and down perhaps 6mm in the tightest position.
01-12-20, 06:44 PM
Replies: 49
Views: 977
Posted By dsbrantjr

https://www.sheldonbrown.com/free-k7.html

https://www.sheldonbrown.com/free-k7.html
01-12-20, 06:16 PM
Replies: 18
Views: 389
Posted By dsbrantjr

If you have the skills and inclination to build...

If you have the skills and inclination to build up a set of stout wheels I would suggest doing so. Or, if the frame is steel I wouldn't hesitate to cold-set it to 135mm and put a trekking wheelset on.
01-11-20, 03:49 PM
Replies: 10
Views: 256
Posted By dsbrantjr

I am not certain that a suspension fork on that...

I am not certain that a suspension fork on that bike would be an actual upgrade. Sawzalls and hammers rarely have a place in bike work.
To make the ride more "comfy" you might consider putting the...
01-11-20, 03:32 PM
Replies: 2
Views: 108
Posted By dsbrantjr

Press (NOT hammer) them off making contact to...

Press (NOT hammer) them off making contact to only the inner race. Gentle heating of the bearing, like hairdryer heat, not butane torch heat, may expand the race enough to ease its removal. But in...
01-10-20, 06:54 PM
Replies: 6
Views: 235
Posted By dsbrantjr

The strength in a tire is in the fabric plies. ...

The strength in a tire is in the fabric plies. If the "strings" coming off are rubber I would not fret about them, it is likely just mold flash. If they are fabric I would be more concerned, but...
01-09-20, 09:04 PM
Replies: 17
Views: 256
Posted By dsbrantjr

Better be sure it is long enough to easily go on...

Better be sure it is long enough to easily go on big-big or you are in for an unpleasant surprise one day.
01-09-20, 09:01 PM
Replies: 22
Views: 515
Posted By dsbrantjr

I don't get it either, nor do I like this trend.

I don't get it either, nor do I like this trend.
01-09-20, 08:01 AM
Replies: 19
Views: 471
Posted By dsbrantjr

Ship the fork to Dave Moulton?

Ship the fork to Dave Moulton?
01-08-20, 04:29 PM
Replies: 5
Views: 194
Posted By dsbrantjr

Since the coefficient of friction of steel vs...

Since the coefficient of friction of steel vs PTFE and similar plastics is very nearly identical to PTFE vs PTFE, I see no advantage to the coated inner cables, and there are definite disadvantages,...
01-08-20, 08:18 AM
Replies: 17
Views: 433
Posted By dsbrantjr

It would be less work to just rebuild the rear...

It would be less work to just rebuild the rear with a new rim and leave the front as-is.
01-07-20, 06:10 PM
Replies: 17
Views: 433
Posted By dsbrantjr

I repair drivetrain parts by condition,not...

I repair drivetrain parts by condition,not mileage; chains at 1/16" stretch in 12 inches, cassettes and chainrings when they skip with a new chain. I use an Iwanson dental gauge to measure brake...
01-07-20, 04:20 PM
Replies: 4
Views: 119
Posted By dsbrantjr

Is it going on holiday?

Is it going on holiday?
01-07-20, 02:29 PM
Replies: 9
Views: 250
Posted By dsbrantjr

You might also try reinforcing the back side with...

You might also try reinforcing the back side with cheesecloth or other cloth, or maybe Tyvek or similar; this will be a lot stronger against further tearing than the Shoe Goo alone.
01-06-20, 03:37 PM
Replies: 25
Views: 441
Posted By dsbrantjr

What kind of shifter are you using? Friction,...

What kind of shifter are you using? Friction, trigger, twist, etc? A model number would be ideal.
01-06-20, 12:53 PM
Replies: 25
Views: 489
Posted By dsbrantjr

Even if you do, having another adjuster right...

Even if you do, having another adjuster right next to the brake you are adjusting can be handy, and will have no ill effects.
01-06-20, 08:29 AM
Replies: 60
Views: 1,051
Posted By dsbrantjr

You can check the cables without detaching them. ...

You can check the cables without detaching them. Simply shift to the gears which pull the most cable, usually big ring front and rear, then, without pedaling, shift the opposite way so as to pay out...
01-06-20, 07:30 AM
Replies: 60
Views: 1,051
Posted By dsbrantjr

Always check for the possibility of cable fraying...

Always check for the possibility of cable fraying when a sudden change in shifting is noted. As Andrew mentions, getting the head out before the cable breaks will save you a world of hurt.
01-05-20, 03:14 PM
Replies: 15
Views: 509
Posted By dsbrantjr

Sizing rods are MUCH better because they are...

Sizing rods are MUCH better because they are truly round. A rod or hole can be WAY out of round but measure a constant diameter with a caliper or hole gauge: Extreme example: ...
01-03-20, 10:02 PM
Replies: 10
Views: 267
Posted By dsbrantjr

According to the copy on the Microshift site, the...

According to the copy on the Microshift site, the CS-G100 cassettes have a carrier for the 5 largest sprockets, which are the ones which would be most likely to dig into your freehub; having the...
01-02-20, 11:27 AM
Replies: 20
Views: 475
Posted By dsbrantjr

I would suggest getting a USB endoscope, which...

I would suggest getting a USB endoscope, which are available for under $20, if you are concerned about hidden rust in your frame tubes. Mine has a 5.5mm diameter end which gets into very small...
01-01-20, 05:03 PM
Replies: 5
Views: 143
Posted By dsbrantjr

Agree totally, you don't want to do anything to...

Agree totally, you don't want to do anything to void your warranty.
12-31-19, 02:40 PM
Replies: 23
Views: 538
Posted By dsbrantjr

Chain checkers are worthless IMO. Get yourself a...

Chain checkers are worthless IMO. Get yourself a good steel rule and measure it the right way, then you will have actual data. A new chain will measure 12" exactly for 12 full links, replace the...
12-30-19, 09:51 PM
Replies: 10
Views: 340
Posted By dsbrantjr

If it is a new bike return it and ask for a...

If it is a new bike return it and ask for a replacement or to have it repaired; it has been incorrectly assembled, and a very basic error at that, which should have been caught. Trying to repair it...
12-30-19, 07:04 PM
Replies: 6
Views: 259
Posted By dsbrantjr

I have been impressed with the performance and...

I have been impressed with the performance and value for cost of Microshift stuff. I am currently using a Marvo LT RD on my CrissCross.
12-29-19, 05:15 PM
Replies: 9
Views: 354
Posted By dsbrantjr

Hex sockets that size do not often strip out...

Hex sockets that size do not often strip out unless a worn tool is used; perhaps a new tool with sharp edges might get the bolt loose, after liberally spraying Kroil or PB Blaster onto the threaded...
12-29-19, 12:38 PM
Replies: 9
Views: 277
Posted By dsbrantjr

What is the condition of the shift cable and...

What is the condition of the shift cable and housing, especially the lower loop going to the rear derailleur? High cog count systems are sensitive to cable friction.
12-29-19, 12:28 PM
Replies: 2
Views: 136
Posted By dsbrantjr

Perhaps a strap wrench could be used to loosen...

Perhaps a strap wrench could be used to loosen the splined nut without marring its finish, like this: https://www.homedepot.com/p/General-Tools-6-in-Rubber-Strap-Wrench-1566/309676287 Or something...
12-29-19, 09:02 AM
Replies: 5
Views: 199
Posted By dsbrantjr

Here is an owner's manual document which...

Here is an owner's manual document which discusses the trim function: https://si.shimano.com/pdfs/um/UM-6VX0A-002-00-ENG.pdf
Dealer's manual showing installation and adjustment: ...
Showing results 1 to 50 of 1000
 


 
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