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Search: Posts Made By: ChrisAlbertson
Showing results 1 to 50 of 155
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Forum: Bicycle Mechanics
02-22-21, 02:22 PM
Replies: 18
Views: 1,340
Posted By ChrisAlbertson

I think this is what happened. The tires might...

I think this is what happened. The tires might be oversized for my rims. I can actually change them with no tools. But also I've verified my Silca pump has a bad gauge on it. I've reduced...
Forum: Bicycle Mechanics
02-13-21, 09:23 PM
Replies: 18
Views: 1,340
Posted By ChrisAlbertson

I've had a blow out last year the tire sidewall...

I've had a blow out last year the tire sidewall blew with close to 100 PSI. I was one beach bike path going slow and EVERYONE heard it. The tire was just old and the fibers win the sideway gave out....
Forum: Bicycle Mechanics
02-13-21, 09:04 PM
Replies: 18
Views: 1,340
Posted By ChrisAlbertson

To answer a few questions... The tire did...

To answer a few questions...

The tire did not blow off the rim. In both cases the tub ripped. The rip was facing the rim and parallel to the long dimension of the tube. Rip was about 1 or 1.5...
Forum: Bicycle Mechanics
02-13-21, 04:49 PM
Replies: 18
Views: 1,340
Posted By ChrisAlbertson

Seeking GOOD tire pressure gage

Short version: I want a GOOD and ACCURATE tire pressure gage for shop use for road bike. (presta valves, up to 100+ PSI)

Long Story:
I had a flat yesterday. The tube blew on the inside of the...
Forum: Southern California
02-01-21, 06:08 PM
Replies: 13
Views: 2,191
Posted By ChrisAlbertson

Posts are confirming what I suspected. I'll...

Posts are confirming what I suspected. I'll wait until there is a group to ride with to go there.

I'm lucky to live in Redondo Beach. I can ride south to Palos Verdes which is an ideal place...
Forum: Southern California
01-30-21, 12:03 AM
Replies: 6
Views: 1,654
Posted By ChrisAlbertson

COVID-19 has cleaned out bike shop inventory. I...

COVID-19 has cleaned out bike shop inventory. I guess this is a good thing unless you are shopping for a new bike. What you were told is correct. Put your name on a waitlist and wait half a...
Forum: Southern California
01-29-21, 11:47 PM
Replies: 13
Views: 2,191
Posted By ChrisAlbertson

PCH north of Will Rodgers beach?

I'm a long time So Cal resident. I've been riding since the 70s but just last year getting back into it seriously again. At age 60+ I'm looking to do a ride I used to be able to do at age 18. I...
Forum: Road Cycling
04-14-20, 12:27 AM
Replies: 34
Views: 7,065
Posted By ChrisAlbertson

Wind noise?

Is it just me or does this happen to everyone? When the wind speed over my head is up to maybe about 18 MPH the wind noise is loud enough that I don't hear much else.

I have an older bike...
Forum: Bicycle Mechanics
04-09-20, 01:21 PM
Replies: 36
Views: 2,359
Posted By ChrisAlbertson

Is water in short supply where you live? I...

Is water in short supply where you live? I live in California and during the drought, we'd do crazy things like if we wanted hot water, I'd run the tap into a bucket until it was hot. The bucket...
Forum: Electronics, Lighting, & Gadgets
04-09-20, 12:39 PM
Replies: 770
Views: 317,941
Posted By ChrisAlbertson

No. It is the other way around. I have some...

No. It is the other way around. I have some parts made in a Formlabs liquid resin printer and I can't break them with a hammer, They can be very seriously tough. The key is to use a non-rigid...
Forum: Training & Nutrition
04-07-20, 01:59 PM
Replies: 29
Views: 24,311
Posted By ChrisAlbertson

I think your zone are wrong. My most accounts...

I think your zone are wrong. My most accounts "max" HR is 220 minus your age. So at 55 you max HR is 165.

Also for a person who is reasonably fit 70 is a high resting HR. I'd expect 60 or in the...
Forum: Road Cycling
04-07-20, 01:32 PM
Replies: 48
Views: 6,245
Posted By ChrisAlbertson

I've now realized that asking this question is...

I've now realized that asking this question is exactly like asking if men are taller than women. How would we answer this? Obviously the average heights are different but does it make sense to...
Forum: Southern California
04-04-20, 08:26 PM
Replies: 2,883
Views: 361,399
Posted By ChrisAlbertson

Just got back for a 2-hour "exploring" ride. The...

Just got back for a 2-hour "exploring" ride. The beach bike paths near me in Redondo are closed so I went out looking for the best route to get North of LAX and Marina Del Rey. The answer is...
Forum: Bicycle Mechanics
04-03-20, 08:39 PM
Replies: 17
Views: 778
Posted By ChrisAlbertson

You will be disappointed to find how little there...

You will be disappointed to find how little there is to learn. The freewheel simply unscrews from the hub and you put a new one on. The trick might be getting the old one off if it has been on for...
Forum: Bicycle Mechanics
04-01-20, 11:59 PM
Replies: 17
Views: 1,011
Posted By ChrisAlbertson

As a minimum two tire levers spare inner...

As a minimum

two tire levers
spare inner tube
patch kit (in case you are so unlucky as to have two flats on one ride
CO2 powered inflator


If you are riding much longer distances then...
Forum: Bicycle Mechanics
04-01-20, 11:44 PM
Replies: 17
Views: 778
Posted By ChrisAlbertson

Take the wheel off the bike and hold it...

Take the wheel off the bike and hold it horizontally with the freewheel pointing up. When you turn the freewheel notice the cogs move when you puch them but there is a center part that is fixed to...
Forum: Road Cycling
03-31-20, 12:28 PM
Replies: 55
Views: 5,714
Posted By ChrisAlbertson

Several things about road bikes: 1. There...

Several things about road bikes:

1. There are no gravel paths or dirt trails near my house. If I wanted to ride on one I'd need to put the bike in the car and drive some distance and then drive...
Forum: Road Cycling
03-30-20, 05:47 PM
Replies: 48
Views: 6,245
Posted By ChrisAlbertson

Yes exactly. I was hoping that you were going...

Yes exactly. I was hoping that you were going to remind me of a valid statical method. It has been a few decades since I took those classes. The real problem is getting the data.

Back to...
Forum: Road Cycling
03-29-20, 04:13 PM
Replies: 22
Views: 1,710
Posted By ChrisAlbertson

Yes, you are correct on both counts. But I was...

Yes, you are correct on both counts. But I was directing the comment to a person who is buying a new bike today. Today the top three teirs are functionally the same as long as you are not...
Forum: Road Cycling
03-29-20, 01:35 PM
Replies: 22
Views: 1,710
Posted By ChrisAlbertson

Yeara ago Ultregra and 105 were different. But...

Yeara ago Ultregra and 105 were different. But today they are functionally the same. You save a few grams with Ultregra but that is it. Ultrgra, 105 and Dura Ace parts can be swapped as there...
Forum: Road Cycling
03-29-20, 12:59 PM
Replies: 55
Views: 5,714
Posted By ChrisAlbertson

Bikes of all types work best when they are...

Bikes of all types work best when they are matched to the kind of path you are riding on. I have an MTB but I live in the city and there is a road at the end of my driveway so with a road bike I can...
Forum: Road Cycling
03-28-20, 10:50 PM
Replies: 25
Views: 3,717
Posted By ChrisAlbertson

I assume you've had a car engine apart with the...

I assume you've had a car engine apart with the camshaft and heads off. Any bike even at the high end is way-simple compared to that. Adjustments are made by eye and "feel" not with measuring...
Forum: Road Cycling
03-28-20, 08:32 PM
Replies: 25
Views: 3,717
Posted By ChrisAlbertson

How did you find this bike for under $1,000? ...

How did you find this bike for under $1,000? They typically sell for almost three times that price. In fact any brand new carbon fiber bike with 105 group set would set for about $2,600 give or...
Forum: Electronics, Lighting, & Gadgets
03-27-20, 08:37 PM
Replies: 5
Views: 987
Posted By ChrisAlbertson

Checked baggage is handled very roughly. It is...

Checked baggage is handled very roughly. It is thrown and dropped and tumbled. Likely it was the rough treatment and not the air temperature or pressure.
Forum: Road Cycling
03-27-20, 08:27 PM
Replies: 36
Views: 3,663
Posted By ChrisAlbertson

You said "Clydesdale" and I think this explains...

You said "Clydesdale" and I think this explains it. Silica the people who make the pumps did some research into what tire pressure is fastest and it depends on the road. Lower pressures it turns...
Forum: Road Cycling
03-27-20, 12:12 PM
Replies: 48
Views: 6,245
Posted By ChrisAlbertson

Here is why I posted this question... I was...

Here is why I posted this question...

I was in a left turn lane waiting for the light and this other rider is there, says hello. The left turn leads to a hill, maybe a 5% or 6% grade. I'm 62...
Forum: Southern California
03-26-20, 11:05 PM
Replies: 21
Views: 2,812
Posted By ChrisAlbertson

Yes, it is over 100 miles. Years ago when I did...

Yes, it is over 100 miles. Years ago when I did this we had a very easy first day and stopped at a motel. It is a two-day ride for most people.
Los Angels to San Diego is also a two-day ride for...
Forum: Electronics, Lighting, & Gadgets
03-26-20, 12:07 PM
Replies: 20
Views: 3,420
Posted By ChrisAlbertson

Try riding with an old cell phone and running a...

Try riding with an old cell phone and running a bike computer app. If you have an old phone it costs nothing. Then after a few rides, you will know if you like having a big display screen on the...
Forum: Electronics, Lighting, & Gadgets
03-26-20, 11:43 AM
Replies: 11
Views: 1,941
Posted By ChrisAlbertson

The cheapest solution is to buy an old iPhone 5...

The cheapest solution is to buy an old iPhone 5 for maybe $15. Or maybe you have an old phone already Then pair or with a Wahoo cadence sensor. The Wahoo phone app is really pretty good and it...
Forum: Electronics, Lighting, & Gadgets
03-26-20, 11:26 AM
Replies: 23
Views: 3,379
Posted By ChrisAlbertson

I've worked as a software developer for a long...

I've worked as a software developer for a long time. It is surprising just how much the customers are unable to tell the engineers. So what I imagine is the engineers found the data from the...
Forum: Fifty Plus (50+)
03-26-20, 11:00 AM
Replies: 38
Views: 4,770
Posted By ChrisAlbertson

Look at the positive. Now, rather than working...

Look at the positive. Now, rather than working on the bike, you have time to ride it every day and train as if you were a professional. I'm not working either. Make a commitment to ride a...
Forum: Southern California
03-25-20, 10:31 PM
Replies: 11
Views: 1,614
Posted By ChrisAlbertson

As it turns out there has been a little bit of an...

As it turns out there has been a little bit of an issue with HUNDREDS of cars being parked outside the park. Many illegally. Now they have sigs and are enforcing the rules. I doubt you could...
Forum: Road Cycling
03-25-20, 07:55 PM
Replies: 48
Views: 6,245
Posted By ChrisAlbertson

Is there much speed difference between men/women?

I'm curious, as someone asked me and I had no objective data to answer with. With road bikes, on average, are men much faster than women or are they close. I know with running the finish times...
Forum: Fifty Plus (50+)
03-25-20, 06:27 PM
Replies: 22
Views: 2,626
Posted By ChrisAlbertson

Yes, I used to think sharpening a chainsaw chain...

Yes, I used to think sharpening a chainsaw chain was a black art that could only be performed by experts. It is actually easy to do and only takes 5 or 10 minutes. All you need is the correct...
Forum: Fifty Plus (50+)
03-25-20, 06:21 PM
Replies: 51
Views: 5,753
Posted By ChrisAlbertson

They tested at 30 MPH. At 20 MPH the amount of...

They tested at 30 MPH. At 20 MPH the amount of saving is less by a factor of 3.3 That seem a lot but remeber that drag is the cube of the speed. A change that buys you a 1W saving at 20 MPH...
Forum: Road Cycling
03-24-20, 06:19 PM
Replies: 25
Views: 3,717
Posted By ChrisAlbertson

About the Dura Ace parts. yes. Even looking at...

About the Dura Ace parts. yes. Even looking at the only Dura Ace part on my bike which is a headset that was put on in the early 1980s just as Shimano was beginning to make a name for itself. ...
Forum: Road Cycling
03-24-20, 04:01 PM
Replies: 25
Views: 3,717
Posted By ChrisAlbertson

Bikes can last forever. I ride a mid-1970s...

Bikes can last forever. I ride a mid-1970s vintage bike but every part has been replaced/upgraded at least once. Older bikes are great for a person who is able to work on bikes and replace parts...
Forum: Road Cycling
03-23-20, 10:58 PM
Replies: 36
Views: 3,663
Posted By ChrisAlbertson

Why are people saying to buy a bike with 32mm...

Why are people saying to buy a bike with 32mm tires when the OP already has a really nice hybrid bike that could be used for gravel roads and such. He said he wants a "road bike" and we assume he...
Forum: Road Cycling
03-23-20, 08:18 PM
Replies: 36
Views: 3,663
Posted By ChrisAlbertson

Because when I read the chart for my size the...

Because when I read the chart for my size the angle read 69.5 and the next larger frame was 71.1 If you are taller then the angles are more slack like other endurance bikes

But look at the...
Forum: Electronics, Lighting, & Gadgets
03-23-20, 08:05 PM
Replies: 7
Views: 727
Posted By ChrisAlbertson

If you think "brighter is better" why not buy the...

If you think "brighter is better" why not buy the Cygolite "Hypershot" 350 But we could argue that the 200 is bright enough. Your call, I guess.

The human eye sees light on a logarithmic...
Forum: Road Cycling
03-23-20, 06:48 PM
Replies: 36
Views: 3,663
Posted By ChrisAlbertson

That is a great value if you like the frame...

That is a great value if you like the frame geometry. Frame geometry is the one thing you can never upgrade. The frame is a little bit unusual in that it tries to be an endurance bike with a...
Forum: Road Cycling
03-22-20, 04:54 PM
Replies: 61
Views: 5,137
Posted By ChrisAlbertson

Mine is no longer "period correct". But it does...

Mine is no longer "period correct". But it does ride very well, When new the bike was a "low end" Ital Vega" but all of the frames wre the same. Thy changed the components to get to different...
Forum: Southern California
03-21-20, 10:10 PM
Replies: 11
Views: 1,614
Posted By ChrisAlbertson

Bikes only at J-Tree.

Here is cut and paste from the National Park Service web site:



This is good news if you want to ride there. The entrance fee is waived and you have the road to yourself, no cars.

More here...
Forum: Road Cycling
03-21-20, 09:59 PM
Replies: 6
Views: 14,023
Posted By ChrisAlbertson

CAAD13 vs Synapse?

Has anyone ridden both the Cannondale CAAD13 and the Synapse?

Back when the CAA12 was the newest CADD there was an obvious difference between it and the Synapse but now I think the CADD13 is...
Forum: Road Cycling
03-21-20, 09:41 PM
Replies: 42
Views: 6,626
Posted By ChrisAlbertson

I have a 26" bike that has a triple ring biopace...

I have a 26" bike that has a triple ring biopace on it. I was made by Diamondback as a "mountain bike" before they invented suspension. So it has hard forks and tail. I use it as a "ride to the...
Forum: Road Cycling
03-21-20, 09:29 PM
Replies: 61
Views: 5,137
Posted By ChrisAlbertson

I think we have the same bike. Is yours from...

I think we have the same bike. Is yours from the mid to late 1970's Italvega. I have the same chrome bands on the seat tube, the same chrome lugs and so on.
Forum: Road Cycling
03-20-20, 09:12 PM
Replies: 76
Views: 7,227
Posted By ChrisAlbertson

This is what I call the "standing on a sheet of...

This is what I call the "standing on a sheet of paper argument". In theory if you are taller you can see farther. So does standing on a sheet of paper enable you to see farther?

There are...
Forum: Road Cycling
03-20-20, 08:44 PM
Replies: 61
Views: 5,137
Posted By ChrisAlbertson

So PLEASE don't drive your car, as cars are the...

So PLEASE don't drive your car, as cars are the number one cause of death and injury for those to young to get cancer.
Forum: Road Cycling
03-20-20, 08:41 PM
Replies: 61
Views: 5,137
Posted By ChrisAlbertson

I've seen more bikes on the road in the last few...

I've seen more bikes on the road in the last few days than usual. In fact it looks like a summer weekend. I live in Redondo Beach CA and this observation applies to coastal roads I've ridden and...
Forum: Fifty Plus (50+)
03-16-20, 10:54 PM
Replies: 51
Views: 5,753
Posted By ChrisAlbertson

No. That can't work. Try putting working in...

No. That can't work. Try putting working in some numbers and you will see. If I am riding at 8 MPH and I drop down so that my upper body is completely horizontal and I put on skin tight clothing...
Showing results 1 to 50 of 155
 
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