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Search: Posts Made By: davidad
Showing results 1 to 50 of 134
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Forum: Bicycle Mechanics
06-06-23, 11:27 AM
Replies: 41
Views: 1,063
Posted By davidad

If you don't have the tool you can check the...

If you don't have the tool you can check the alignment by removing the deer. and screwing in a spare or borrowed rear wheel. They are both 10X1 mm. If the wheels are parallel, there is no problem.,...
Forum: Bicycle Mechanics
05-18-23, 02:46 PM
Replies: 28
Views: 711
Posted By davidad

This is the best information on the net about...

This is the best information on the net about bike maintenance. Chain care, wear and skipping by Jobst Brandt (sheldonbrown.com) (https://www.sheldonbrown.com/brandt/chain-care.html)
Forum: Bicycle Mechanics
05-18-23, 02:40 PM
Replies: 28
Views: 711
Posted By davidad

I have had the factory lube last up to 800 miles...

I have had the factory lube last up to 800 miles before I remove and clean the chain.
Forum: Bicycle Mechanics
03-26-23, 10:38 PM
Replies: 34
Views: 1,068
Posted By davidad

More pawls actually won't solve his problem. He...

More pawls actually won't solve his problem. He needs to be able to remove the body and soak it in solvent and drip heavy oil into it.
Forum: Bicycle Mechanics
03-14-23, 04:16 PM
Replies: 128
Views: 4,357
Posted By davidad

If the chain is not worn the rollers won't effect...

If the chain is not worn the rollers won't effect the cogs. I never said anything about a broken chain.
Forum: Bicycle Mechanics
03-13-23, 03:00 PM
Replies: 27
Views: 662
Posted By davidad

I had one break and the wheel came far out of...

I had one break and the wheel came far out of true so I detensioned it and basically rebuilt it up to tension. Usually 100 to 110 Kg tension.
Forum: Bicycle Mechanics
09-05-22, 11:53 AM
Replies: 8
Views: 359
Posted By davidad

Tandems use it for the common chain.

Tandems use it for the common chain.
Forum: Bicycle Mechanics
08-05-22, 10:51 AM
Replies: 19
Views: 442
Posted By davidad

I have a tool that locks into the grove of the...

I have a tool that locks into the grove of the spoke head and it comes off easily.

Ullman Devices Ullman DE-2 Aluminum Double Ended Screw Starter - 6-3/4 in. Screw Holder with Phillips and Slotted...
Forum: Bicycle Mechanics
07-25-22, 03:14 PM
Replies: 20
Views: 1,152
Posted By davidad

Much ado about nothing. Ride it and the grease...

Much ado about nothing. Ride it and the grease problem will correct itself. Spinning by hand means nothing, only loaded matters.
Forum: Bicycle Mechanics
07-20-22, 11:22 AM
Replies: 15
Views: 341
Posted By davidad

The 520 has 135 spacing in the rear dropouts. Get...

The 520 has 135 spacing in the rear dropouts. Get or build a wheel with a shimano hub for long life and reliability.
Forum: Bicycle Mechanics
06-28-22, 12:54 PM
Replies: 5
Views: 373
Posted By davidad

No.

No.
Forum: Bicycle Mechanics
06-25-22, 10:07 AM
Replies: 41
Views: 1,660
Posted By davidad

Why would the factory use a preservative on...

Why would the factory use a preservative on something that is not stored for any length of time? If you wipe off the LUBE on the outside of the chain it will not attract sand and boulders as you...
Forum: Bicycle Mechanics
06-04-22, 08:45 AM
Replies: 2
Views: 224
Posted By davidad

Unloaded spin test means nothing unless noise or...

Unloaded spin test means nothing unless noise or grittiness is felt.
Forum: Bicycle Mechanics
05-19-22, 12:23 PM
Replies: 13
Views: 387
Posted By davidad

You can remove the seals and relube. If they are...

You can remove the seals and relube. If they are making noise under load replace them with a high-quality radial bearing.
Forum: Bicycle Mechanics
05-19-22, 12:18 PM
Replies: 16
Views: 461
Posted By davidad

I have the greenish shimano grease I bought on...

I have the greenish shimano grease I bought on sale years ago. I pull the pedals every 5k miles and remove the cartridge, fill the body with grease and reinstall the cartridge forcing out the old...
Forum: Bicycle Mechanics
04-29-22, 12:41 PM
Replies: 27
Views: 794
Posted By davidad

It holds the brake pads against the rim for...

It holds the brake pads against the rim for adjustment.
Forum: Bicycle Mechanics
04-25-22, 02:02 PM
Replies: 23
Views: 1,209
Posted By davidad

I use a chainsaw bar oil unscented mineral...

I use a chainsaw bar oil unscented mineral spirits mix that holds up well including the wet. I remove the chain and clean it then put it back on and lube the chain. Ride 800 miles and repeat.
Forum: Bicycle Mechanics
12-03-21, 07:28 PM
Replies: 34
Views: 1,190
Posted By davidad

The 6000 series bearings re more than adequate...

The 6000 series bearings re more than adequate for our uses. They are designed for high-speed electric motors. A friend who has older Trek wheels with Taiwanese hubs that use 6000 series bearings...
Forum: Bicycle Mechanics
11-23-21, 02:02 PM
Replies: 7
Views: 570
Posted By davidad

With a new chain and used cassette if the chain...

With a new chain and used cassette if the chain doesn't skip under load you are good to go.
Forum: Bicycle Mechanics
11-21-21, 01:00 PM
Replies: 26
Views: 1,131
Posted By davidad

At 260 pounds engine and 25 pounds bike weight...

At 260 pounds engine and 25 pounds bike weight you need at least 36 double butted spokes.
Forum: Bicycle Mechanics
10-20-21, 10:41 AM
Replies: 51
Views: 2,606
Posted By davidad

Ceramic bearings are not overkill on a turbo...

Ceramic bearings are not overkill on a turbo charger turning 150k rpm. They are a little silly on a wheel turning 350rpm or a BB turning 90 rpm.
Forum: Bicycle Mechanics
09-27-21, 11:01 AM
Replies: 6
Views: 402
Posted By davidad

If it is a 9speed Durace BB it is serviceable, if...

If it is a 9speed Durace BB it is serviceable, if it is a sealed cartridge just replace it.
Forum: Bicycle Mechanics
09-01-21, 11:30 AM
Replies: 28
Views: 3,174
Posted By davidad

For our use sintered bronze bushings would work....

For our use sintered bronze bushings would work. At 30mph bike wheels turn at about 350 rpm.
Forum: Bicycle Mechanics
07-28-21, 08:51 AM
Replies: 8
Views: 417
Posted By davidad

It's not brinelling, it is caused by fretting....

It's not brinelling, it is caused by fretting. "Indexed Steering" by Jobst Brandt (sheldonbrown.com) (https://www.sheldonbrown.com/brandt/indexed-steering.html)
Replace the bearings.
Forum: Bicycle Mechanics
06-27-21, 04:16 PM
Replies: 6
Views: 1,125
Posted By davidad

Ideal Tire Pressure - Google Sheets...

Ideal Tire Pressure - Google Sheets (https://docs.google.com/spreadsheets/d/15nT3Q2Cnk6-2HbRSpPngFEoR5QnLTQZdlzofzC_mLTY/edit#gid=0)
Forum: Bicycle Mechanics
06-27-21, 04:11 PM
Replies: 3
Views: 453
Posted By davidad

Wheels Manufacturing Hub Axles (wheelsmfg.com)...

Wheels Manufacturing Hub Axles (wheelsmfg.com) (https://wheelsmfg.com/products/hub-parts/all-axles.html)
Forum: Bicycle Mechanics
06-13-21, 12:34 PM
Replies: 17
Views: 582
Posted By davidad

Please stop calling it a dork disc.

Please stop calling it a dork disc.
Forum: Bicycle Mechanics
06-07-21, 09:15 AM
Replies: 12
Views: 599
Posted By davidad

Twine does the job cheaply!

Twine does the job cheaply!
Forum: Bicycle Mechanics
06-05-21, 10:32 AM
Replies: 21
Views: 1,471
Posted By davidad

I replace the rear with the front and put the new...

I replace the rear with the front and put the new tire on front. Tread pattern is useless on a bike tire because of the canoe shaped footprint.
Forum: Bicycle Mechanics
05-31-21, 01:06 PM
Replies: 11
Views: 1,229
Posted By davidad

Grandpa you are now number one to her!

Grandpa you are now number one to her!
Forum: General Cycling Discussion
05-27-21, 10:41 PM
Replies: 124
Views: 9,639
Posted By davidad

People who have seizures aren't allowed to drive....

People who have seizures aren't allowed to drive. When you are riding west in the late afternoon do you keep your eyes closed because of the sun?
Oops rule number 2.
Forum: Bicycle Mechanics
05-23-21, 09:57 PM
Replies: 12
Views: 969
Posted By davidad

Two layers of duct tape is over kill, but it will...

Two layers of duct tape is over kill, but it will work.
Forum: Bicycle Mechanics
05-17-21, 01:07 PM
Replies: 12
Views: 1,584
Posted By davidad

Amazon.com : Kool Stop Bicycle Bike TIRE Bead...

Amazon.com : Kool Stop Bicycle Bike TIRE Bead Jack Lever Tool New : Sports & Outdoors...
Forum: Bicycle Mechanics
05-10-21, 12:12 PM
Replies: 11
Views: 1,374
Posted By davidad

Gotta love the bike business for high grade BS.

Gotta love the bike business for high grade BS.
Forum: Bicycle Mechanics
05-10-21, 12:09 PM
Replies: 13
Views: 845
Posted By davidad

Once I have built up a wheel and brought it to...

Once I have built up a wheel and brought it to proper tension I use the NDS spokes on the rear to center the rim. Lower spoke count wheels require a lot more tension to make up for the fewer spokes...
Forum: Bicycle Mechanics
05-10-21, 11:46 AM
Replies: 10
Views: 997
Posted By davidad

Are you trying to save a half an ounce? Why?

Are you trying to save a half an ounce? Why?
Forum: Bicycle Mechanics
05-02-21, 02:22 PM
Replies: 54
Views: 22,936
Posted By davidad

I have a 230 pound friend who had an Aluminum...

I have a 230 pound friend who had an Aluminum frame crack at the seat tube-bottom bracket junction. I think he had a little over 3 years and 30k miles on it. It was replaced under the 5 year factory...
Forum: Bicycle Mechanics
04-27-21, 11:27 AM
Replies: 14
Views: 760
Posted By davidad

When I build a wheel I start by setting the...

When I build a wheel I start by setting the nipples at the same depth, then getting the radial runout true. As the tension begins to rise I make minor adjustments to the lateral runout still...
Forum: Bicycle Mechanics
04-25-21, 12:16 PM
Replies: 5
Views: 516
Posted By davidad

You can use the coarse side of a whet stone to...

You can use the coarse side of a whet stone to grind the hardened steel. You need to take i slow and check the result often.
Forum: Bicycle Mechanics
04-19-21, 03:18 PM
Replies: 45
Views: 1,973
Posted By davidad

If they undergo a loss of strain then they get...

If they undergo a loss of strain then they get shorter. The high tension lengthens the spokes.
Forum: Bicycle Mechanics
04-12-21, 08:35 AM
Replies: 19
Views: 2,258
Posted By davidad

I have this one. 2 L Industry Heated Ultrasonic...

I have this one. 2 L Industry Heated Ultrasonic Cleaners Cleaning Equipment Heater W/ti – Vevor US...
Forum: Bicycle Mechanics
04-06-21, 12:03 PM
Replies: 30
Views: 2,301
Posted By davidad

Make sure the tool is threaded in until it...

Make sure the tool is threaded in until it bottoms out. It will take a fair amount of force to get the crank to move. I use a 12" adjustable wrench to remove mine.
Forum: Bicycle Mechanics
04-06-21, 11:57 AM
Replies: 35
Views: 4,223
Posted By davidad

Inexpensive and reliable.

Inexpensive and reliable.
Forum: Bicycle Mechanics
03-02-21, 02:19 PM
Replies: 9
Views: 962
Posted By davidad

Best way to do it. you have found out that there...

Best way to do it. you have found out that there is no mystery in building a spoked wheel.
Forum: Bicycle Mechanics
02-17-21, 01:45 PM
Replies: 11
Views: 5,080
Posted By davidad

They are the same. I wouldn't change it on the...

They are the same. I wouldn't change it on the principle of if it ain't broke don't fix it.
Forum: Bicycle Mechanics
02-11-21, 04:02 PM
Replies: 12
Views: 858
Posted By davidad

I have had the problem and found that cleaning...

I have had the problem and found that cleaning the guide once in a while solves the problem.
Forum: Fitting Your Bike
02-01-21, 11:12 AM
Replies: 36
Views: 7,005
Posted By davidad

I didn't say anything about his Trek bikes I said...

I didn't say anything about his Trek bikes I said the info was in his Book. Absolutely.
Forum: Fitting Your Bike
01-31-21, 09:14 AM
Replies: 36
Views: 7,005
Posted By davidad

Start out with a measurement of you leg length....

Start out with a measurement of you leg length. From your crotch to the floor in your bare feet. 68% of that number should give you a good start for your frame size measured from the center of the...
Forum: Bicycle Mechanics
01-22-21, 05:17 PM
Replies: 19
Views: 1,543
Posted By davidad

It doesn't mater. The tolerances for the balls is...

It doesn't mater. The tolerances for the balls is too small to make a difference.
Forum: Bicycle Mechanics
01-18-21, 01:37 PM
Replies: 10
Views: 1,317
Posted By davidad

Stuck Handlebar Stem by Jobst Brandt...

Stuck Handlebar Stem by Jobst Brandt (sheldonbrown.com) (https://www.sheldonbrown.com/brandt/stuck-stem.html)
Showing results 1 to 50 of 134
 
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