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Search: Posts Made By: DaveSSS
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Forum: Road Cycling
03-18-24, 03:34 PM
Replies: 12
Views: 170
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: 12
Views: 170
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: 11
Views: 164
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: 439
Views: 12,310
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: 439
Views: 12,310
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: 439
Views: 12,310
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: 439
Views: 12,310
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: 18
Views: 411
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 came an get dicey on windy...
Forum: Road Cycling
03-16-24, 07:52 AM
Replies: 439
Views: 12,310
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: 3,300
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: 439
Views: 12,310
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: 977
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: 677
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: 977
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: 439
Views: 12,310
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: 439
Views: 12,310
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: 439
Views: 12,310
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: 439
Views: 12,310
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: 439
Views: 12,310
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: 439
Views: 12,310
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: 439
Views: 12,310
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: 439
Views: 12,310
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: 439
Views: 12,310
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: 439
Views: 12,310
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: 439
Views: 12,310
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: 1,073
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: 12,802
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: 12,802
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: 12,802
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: 12,802
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: 439
Views: 12,310
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: 322
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: 439
Views: 12,310
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: 439
Views: 12,310
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...
02-24-24, 07:42 AM
Replies: 42
Views: 1,233
Posted By DaveSSS

A modern bike computer that can display % grade...

A modern bike computer that can display % grade will tell the truth. They display what you've just ridden over, so abrupt changes aren't displayed quickly. Pedaling effort doesn't lie either. If...
Forum: Road Cycling
02-21-24, 08:07 AM
Replies: 14
Views: 343
Posted By DaveSSS

All you should need is a 32mm setback FSA seat...

All you should need is a 32mm setback FSA seat post. The STA is only 1 degree steeper than the most common 74.5 degree STA for this size frame. The reach is actually a bit long at 375mm. The...
Forum: Road Cycling
02-15-24, 07:16 AM
Replies: 5
Views: 172
Posted By DaveSSS

There is no magical way to increase pad...

There is no magical way to increase pad retraction. I have the opposite problem where I have to set the levers as close to the bars as possible, without the levers bottoming out on the bars. My...
Forum: Road Cycling
02-14-24, 08:08 AM
Replies: 55
Views: 1,891
Posted By DaveSSS

There's no obligation to torque the stem bolts to...

There's no obligation to torque the stem bolts to 5 Nm. Torque wrenches can malfunction and cause more problems. Use a short hex wrench and moderate force.

Pictures posted show that expanding...
Forum: Road Cycling
02-11-24, 08:25 AM
Replies: 25
Views: 990
Posted By DaveSSS

Anything not 12 speed is cheap stuff or retro. ...

Anything not 12 speed is cheap stuff or retro. 12 speed has been out for 5 years for Campy and SRAM. I had early model Chorus 12, but switched to Force electronic about a year later. No regrets...
Forum: Road Cycling
02-09-24, 09:45 AM
Replies: 1,281
Views: 60,110
Posted By DaveSSS

If oil is added to wax, make it a high quality...

If oil is added to wax, make it a high quality lubricating oil like auto gear lube, not lamp oil. 20-30% by weight will not separate from the wax.
Forum: Road Cycling
02-08-24, 03:36 PM
Replies: 68
Views: 2,857
Posted By DaveSSS

I've still got one Superstar bike, plus two...

I've still got one Superstar bike, plus two Yoeleo R12. All have 25mm IW hookless rims and Pirelli P-Zero TLR tubeless tires. They work great and require no rim tape. I just sold my Zipp 303s...
Forum: Road Cycling
02-08-24, 07:51 AM
Replies: 34
Views: 1,837
Posted By DaveSSS

Selection of tire width can be affected by rider...

Selection of tire width can be affected by rider weight. At 135 pounds, I'm using 28 front and 30 rear, both at 55 psi or a bit less, based on the Zipp pressure calculator. I have 3 bikes with 25mm...
Forum: Road Cycling
02-02-24, 04:21 PM
Replies: 135
Views: 4,253
Posted By DaveSSS

Average temperature means nothing. Boulder isn't...

Average temperature means nothing. Boulder isn't that much different than Loveland. Record lows were being set across the state. In the winter, the best time to ride is around noon to 3 pm. I...
Forum: Road Cycling
02-02-24, 03:00 PM
Replies: 135
Views: 4,253
Posted By DaveSSS

In Loveland we were in the single digits all day...

In Loveland we were in the single digits all day for several days in a row and had a low of -16F with several others below zero. After 9 days of temps too low to ride, it warmed up and stayed warm...
Forum: Road Cycling
02-02-24, 12:32 PM
Replies: 68
Views: 2,857
Posted By DaveSSS

I don't think rim or disc was mentioned, or max...

I don't think rim or disc was mentioned, or max tire width. I've got BTLOS 44mm profile rimmed wheels, 25mm IW, hookless, no spoke access holes, to use with 28-32mm tires. They've got a free freight...
Forum: Road Cycling
02-01-24, 10:00 AM
Replies: 135
Views: 4,253
Posted By DaveSSS

In northern Colorado, I rode 492 miles with...

In northern Colorado, I rode 492 miles with 26,759 feet of climbing, plus 87 miles indoors, this January.
Forum: Road Cycling
01-29-24, 10:15 AM
Replies: 69
Views: 2,704
Posted By DaveSSS

This old timer has ridden nothing but carbon...

This old timer has ridden nothing but carbon since the late nineties. Thirteen carbon frames from Colnago, LOOK, Cervelo, Cinelli and Yoeleo. I've crashed hard and been hit by cars twice, ruined...
01-20-24, 09:41 AM
Replies: 132
Views: 7,391
Posted By DaveSSS

I don't have these problems with my Yoeleo...

I don't have these problems with my Yoeleo frames. They come with a spare RD hanger and seat rail clamp. The integrated stem shape is unique to Yoeleo, but the steering tube is normal round...
01-16-24, 11:48 AM
Replies: 78
Views: 4,722
Posted By DaveSSS

I bought wrap around frames with progressive...

I bought wrap around frames with progressive bifocal lenses from opticalfactor.com. I got the Gabe model frame. The prescription was accurate. They only cost $92 with a first time buyer discount.
...
Forum: Road Cycling
01-07-24, 09:07 AM
Replies: 38
Views: 1,143
Posted By DaveSSS

Rim width and hooked or hookless was not...

Rim width and hooked or hookless was not mentioned, so you can't really draw a conclusion. I used early model 28mm Michelin tubeless with 19mm IW hooked fulcrum wheels with no problem other than...
Showing results 1 to 50 of 1000
 


 
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