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Search: Posts Made By: DaveSSS
Showing results 1 to 50 of 1000
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Forum: Road Cycling
03-26-24, 06:30 AM
Replies: 4
Views: 119
Posted By DaveSSS

Try wheels manufacturing. They make thread...

Try wheels manufacturing. They make thread together BBs for many combinations. I have BB86 and 386 frames and use Shimano GRX cranks. They don't seem to make a 386 with angular contact bearings,...
Forum: Road Cycling
03-25-24, 06:46 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

It's sad when the CPA president makes such...

It's sad when the CPA president makes such ignorant remarks. Disc brakes should be better when extreme braking is required. The increase in bike weight is meaningless when all riders use them....
Forum: Road Cycling
03-24-24, 05:09 PM
Replies: 46
Views: 826
Posted By DaveSSS

Crank arm length and shoe stack height both must...

Crank arm length and shoe stack height both must be considered. Measuring the exact area of the saddle also varies.
Forum: Road Cycling
03-24-24, 06:40 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

Thanks. So my Pirelli P-Zero race TLR tires are...

Thanks. So my Pirelli P-Zero race TLR tires are are TSS, as are most tubeless tires these. These tires are also clinchers. If you make a tubeless road tire today that's not TSS, then you're behind...
Forum: Road Cycling
03-23-24, 11:46 AM
Replies: 5
Views: 160
Posted By DaveSSS

I'm 66 inches or 168vm tall, with long legs. My...

I'm 66 inches or 168vm tall, with long legs. My saddle height is 72-73cm. I had a C-RS in a 48cn with no spacers and a -17 x100 mm stem to produce an 11cm saddle to bar drop.

​​​​I'd say you need...
Forum: Road Cycling
03-23-24, 06:34 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

Most tires that are tubeless approved are now...

Most tires that are tubeless approved are now hookless approved too. Michelin was an exception in their early days of tubeless because the bead stretched too much.

What does TL mean? Tubeless...
Forum: Road Cycling
03-22-24, 06:45 AM
Replies: 35
Views: 1,138
Posted By DaveSSS

Great image of the different rim shapes. The...

Great image of the different rim shapes. The ledge diameter is critical and so is minimal stretch of the tire bead that must be a tight fit. One major difference between the drawing of hookless...
Forum: Road Cycling
03-22-24, 06:27 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

I've read reports from MTB users that carbon rims...

I've read reports from MTB users that carbon rims are far less likely to be damaged than the aluminum rims that they had been using. No going back to aluminum for them
Forum: Road Cycling
03-22-24, 06:16 AM
Replies: 23
Views: 951
Posted By DaveSSS

I've switched to Pirelli P-Zero race or road TLR...

I've switched to Pirelli P-Zero race or road TLR tubeless tires because the bead stretch is minimal for use with hookless rims. I'm just starting to use the cheaper road TLR. Tire life is good. As...
Forum: Road Cycling
03-22-24, 06:09 AM
Replies: 190
Views: 8,948
Posted By DaveSSS

Not all rim tapes are alike and they must be the...

Not all rim tapes are alike and they must be the correct width to completely cover the ledge on both sides. Scotch 8898 is often recommended, but widths are limited. My BTLOS wheels have no spoke...
Forum: Road Cycling
03-21-24, 10:41 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

A pot hole wouldn't be readily visible. Riding...

A pot hole wouldn't be readily visible. Riding right along a guard rail isn't very smart either, but it's common to see riders completely off the road when part of a wide peloton. A wheel could...
Forum: Road Cycling
03-20-24, 11:43 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

No 28s with 25mm IW rims. 28 should be OK with...

No 28s with 25mm IW rims. 28 should be OK with their 23mm rims like 303s. This is CYA statement.
03-20-24, 07:24 AM
Replies: 99
Views: 2,371
Posted By DaveSSS

A bike with a mast that's too tall is the wrong...

A bike with a mast that's too tall is the wrong size or wrong model. They list a seat rail height. Don't buy the wrong one.
Forum: Road Cycling
03-19-24, 03:34 PM
Replies: 562
Views: 16,501
Posted By DaveSSS

Thread together BBs are a good solution for press...

Thread together BBs are a good solution for press fit bottom brackets. I have Wheels Manufacturing thread together with angular contact bearings on all of my bikes. I also have disc brakes,...
Forum: Road Cycling
03-19-24, 10:53 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

Not necessarily. Buyers can always make a deal...

Not necessarily. Buyers can always make a deal to change out wheels, unless you're ordering online. You can also sell those wheels as new.

​​​​​I haven't bought a pre-built bike in the last 30...
Forum: Road Cycling
03-19-24, 07:17 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

My main argument is the stupidity of comparing...

My main argument is the stupidity of comparing heavy car and truck tires with exceptionally strong beads and sidewalls to bike tires. They have nothing in common other than hookless rims. He also...
Forum: Road Cycling
03-18-24, 03:34 PM
Replies: 25
Views: 471
Posted By DaveSSS

Garmin probably only takes samples ever 5-10...

Garmin probably only takes samples ever 5-10 seconds and will always report the grade that you've passed. It's good enough since you already know you're on a steep section. You just select your...
Forum: Road Cycling
03-18-24, 10:47 AM
Replies: 25
Views: 471
Posted By DaveSSS

I ride hilly and mountainous terrain in northern...

I ride hilly and mountainous terrain in northern Colorado. I get relatively good agreement when I ride the same routes with 2-5000 feet of climbing. A peak elevation may vary by plus or minus feet...
Forum: Road Cycling
03-18-24, 10:35 AM
Replies: 17
Views: 488
Posted By DaveSSS

I hunt for bargains. I've had Sidi and custom...

I hunt for bargains. I've had Sidi and custom shoes, but now use some cheap Fizik that work just fine.
Forum: Road Cycling
03-18-24, 10:22 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

A lot my engineering career was spent working on...

A lot my engineering career was spent working on processes to make critical components for the W82 nuclear weapon. No PE required. No PE required for designing construction projects within the 3...
Forum: Road Cycling
03-18-24, 08:49 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

Go to 32:00 on the video. This was mentioned...

Go to 32:00 on the video. This was mentioned before my response. The engineer first says that car tires and the like require huge forces from machinery to mount. Then he says that any tire that...
Forum: Road Cycling
03-18-24, 07:29 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

The point of the first video was that even using...

The point of the first video was that even using plastic tools to install bike tires means that the tires don't fit tight enough. That engineer has apparently never used a bead jack. He also...
Forum: Road Cycling
03-17-24, 03:12 PM
Replies: 562
Views: 16,501
Posted By DaveSSS

Watch the comments in the video about installing...

Watch the comments in the video about installing car tires compared to bike tires and the reasoning that explains why car tires are perfectly safe, but hookless bike tires aren't....
Forum: Road Cycling
03-17-24, 07:00 AM
Replies: 44
Views: 1,286
Posted By DaveSSS

I have 3 sets of BTLOS wheels that all cost under...

I have 3 sets of BTLOS wheels that all cost under $800 per set. They've been great so far. They have many different rim profiles available. I have on 44mm deep set that can get dicey on windy...
Forum: Road Cycling
03-16-24, 07:52 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

Regarding the Hambini video, of course the stress...

Regarding the Hambini video, of course the stress formulas are correct, but his flexing of the rim flanges is lame. They're not all the same. Hooks can be present, but minimal and relatively...
03-15-24, 11:03 AM
Replies: 123
Views: 3,717
Posted By DaveSSS

There are very few new tools needed for hydraulic...

There are very few new tools needed for hydraulic disc brakes, other than a bleed kit for your brand of brakes. Centerloc rotor lock rings use one of two types of Shimano tools that have been around...
Forum: Road Cycling
03-15-24, 10:05 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

This thread has strayed far from it's beginning....

This thread has strayed far from it's beginning. The latest info on the hookless rim situation now says that the wheel hit something hard enough to break it.

...
Forum: Road Cycling
03-12-24, 11:36 AM
Replies: 39
Views: 1,124
Posted By DaveSSS

With road biking, I never use the map because I...

With road biking, I never use the map because I know my routes. I have 8 items displayed on the main screen and rarely need the few other items, so don't often change screens. SRAM' doesn't have...
03-12-24, 07:02 AM
Replies: 24
Views: 748
Posted By DaveSSS

Those who ride motorcycles know that you have to...

Those who ride motorcycles know that you have to counter steer through the entire turn. Bicycles and motorcycles are alike in that requirement, but the motorcycle requires more force.

To assess...
Forum: Road Cycling
03-11-24, 08:24 AM
Replies: 39
Views: 1,124
Posted By DaveSSS

I have small hands and no problems with Force D1...

I have small hands and no problems with Force D1 brake hoods on three bikes. I've never used SRAM cranks because I want more range. Campy Chorus 48/32 or Shimano GRX cranks work great - no chain ...
Forum: Road Cycling
03-11-24, 08:13 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

They work fine if you follow the manufacturer's...

They work fine if you follow the manufacturer's instructions on rim width and tire pressure. 25mm tires mostly require hookless rims with 21mm IW or less. Most 28mm work with 25mm IW, per...
Forum: Road Cycling
03-10-24, 07:06 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

There's always plenty of safety margin included...

There's always plenty of safety margin included in the published limit values. There has to be, just to cover variations in pressure gauge readings. There is no need to add your own extra safety...
Forum: Road Cycling
03-09-24, 04:34 PM
Replies: 562
Views: 16,501
Posted By DaveSSS

I suggest reading the info at the Giant website...

I suggest reading the info at the Giant website regarding hookless rims. Apparently, they couldn't care less what ETRTO or ISO have to say. They're confident that their wheels and tires will work...
Forum: Road Cycling
03-09-24, 08:03 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

This article has the best info I've read. I will...

This article has the best info I've read. I will continue to use 28mm tires on my BTLOS hookless 25mm IW rims. I've tested setups to 85 psi with no blow offs. I have used early model Michelin...
Forum: Road Cycling
03-08-24, 03:37 PM
Replies: 562
Views: 16,501
Posted By DaveSSS

The latest ETRTO guidelines limiting 30-34mm...

The latest ETRTO guidelines limiting 30-34mm tires to 65 psi is more limiting than what's stamped on my 30 mm Pirelli tires. They say 73 is OK. I believe that ETRTO guidelines only apply to products...
Forum: Road Cycling
03-08-24, 01:09 PM
Replies: 562
Views: 16,501
Posted By DaveSSS

None of my BTLOS or Zipp carbon wheels ever made...

None of my BTLOS or Zipp carbon wheels ever made any noise.
Forum: Road Cycling
03-08-24, 01:02 PM
Replies: 562
Views: 16,501
Posted By DaveSSS

Increasing the total bike/rider weight from 260...

Increasing the total bike/rider weight from 260 to 270 pounds only increases the recommended tire pressure by 1.3 psi. If I weighed that much I'd be on 32mm tires where there's a significant safety...
Forum: Road Cycling
03-08-24, 11:50 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

I agree with the poster who said that a major...

I agree with the poster who said that a major puncture at 50 mph is going to be a big problem with hooked or hookless rims. I go that fast dozens of times each year. I'm not going to worry about it,...
Forum: Road Cycling
03-07-24, 12:30 PM
Replies: 562
Views: 16,501
Posted By DaveSSS

I didn't miss the question. If you're a...

I didn't miss the question. If you're a believer, then you'll be certain that your tire will never come off. No one has ever had a tire come off a hooked rim - absolutely can't happen, right?
Forum: Road Cycling
03-07-24, 11:21 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

The WARC49 is just the hooked version of the...

The WARC49 is just the hooked version of the WARL49. Both have the same 31mm external width, but the hooked version has a 24mm internal width, instead of 25mm. If you're worried about hookless,...
Forum: Road Cycling
03-06-24, 08:11 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

I'm one of those guys who reaches speeds of over...

I'm one of those guys who reaches speeds of over 50 mph on descents, regularly. My regular 18 continuous miles of mountain descent is in a rock strewn canyon.
​​I watch carefully and often stop to...
Forum: Road Cycling
03-04-24, 09:20 AM
Replies: 28
Views: 1,266
Posted By DaveSSS

I have 3 bikes and only one is under 18 pounds at...

I have 3 bikes and only one is under 18 pounds at 17.75. It weighs a little less with lighter bars and stem than the others that have integrated bar/stem and lighter 29mm deep climbing wheels. ...
Forum: Road Cycling
03-02-24, 02:09 PM
Replies: 81
Views: 12,912
Posted By DaveSSS

That's possible too. I've suggested buying a new...

That's possible too. I've suggested buying a new FD to see if it works differently, but I've never had anyone try it and report back. All three of my early model Force and Rival models work great.
Forum: Road Cycling
03-02-24, 11:48 AM
Replies: 81
Views: 12,912
Posted By DaveSSS

So the many people who spent hours trying to get...

So the many people who spent hours trying to get decent shifting with Force rings are just poor mechanics and so are the shop mechanics who failed. That works for me. I can set one up in 10 minutes...
Forum: Road Cycling
03-02-24, 08:14 AM
Replies: 81
Views: 12,912
Posted By DaveSSS

I have used Specialties TA rings that behaved...

I have used Specialties TA rings that behaved like the reports on SRAM rings. I tried at great length to get them to shift well, but the shift to the big ring was slow and noisy and would always...
Forum: Road Cycling
03-01-24, 08:44 AM
Replies: 81
Views: 12,912
Posted By DaveSSS

It's the chain rings that are the problem, not...

It's the chain rings that are the problem, not the FD. I've used Campy 12 and GRX cranks with two early model Force and one Rival FD. Setting up the FD was easy and I never get chain drops. I've...
Forum: Road Cycling
02-27-24, 12:06 PM
Replies: 562
Views: 16,501
Posted By DaveSSS

A pair of BTLOS WARL44 wheels cost $767, if you...

A pair of BTLOS WARL44 wheels cost $767, if you catch one of their free freight offers. They're 20-30 grams lighter than Zipp 303s and require no rim tape. That's what replaced my 303s wheels. I...
Forum: Road Cycling
02-26-24, 11:46 AM
Replies: 10
Views: 343
Posted By DaveSSS

I bought a Lyzene gravel pump with 0-100 psi...

I bought a Lyzene gravel pump with 0-100 psi gauge. Perfect for my 50-60 psi tubeless tire pressure. I also updated an ancient Silca pump with a new and much larger 0-100 psi gauge.
Forum: Road Cycling
02-25-24, 08:38 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

Zipp says that their 23mm IW 303s wheels are...

Zipp says that their 23mm IW 303s wheels are optimized for 28mm tires. Mine worked fine for two years, but I recently sold them to get rid of rim tape. Their 25mm IW rims also work with most 28mm...
Forum: Road Cycling
02-25-24, 07:58 AM
Replies: 562
Views: 16,501
Posted By DaveSSS

I've run early model Michelin tubeless 28mm tires...

I've run early model Michelin tubeless 28mm tires that aren't hookless approved on 25mm IW hookless rims with no problems. The last one was taken out of service because the bead had stretched so...
Showing results 1 to 50 of 1000
 


 
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