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Search: Posts Made By: Drew Eckhardt
Showing results 1 to 50 of 148
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Forum: Road Cycling
08-04-20, 01:23 PM
Replies: 16
Views: 506
Posted By Drew Eckhardt

I think 8 tires which would be 4 pairs, noting...

I think 8 tires which would be 4 pairs, noting the current ones have life left.

I discard the rear tire after it wears out, move the front tire aft, and install a new tire in front. Doing that I...
08-03-20, 03:28 PM
Replies: 137
Views: 2,068
Posted By Drew Eckhardt

I use a GPS bike computer and am fully equipped...

I use a GPS bike computer and am fully equipped to handle mechanical problems.
08-01-20, 10:36 AM
Replies: 29
Views: 606
Posted By Drew Eckhardt

trichloroethylene or tetrachloroethylene sold as...

trichloroethylene or tetrachloroethylene sold as brake cleaner.

Unfortunately, they cause cancer and are illegal to sell in California.
07-31-20, 11:28 AM
Replies: 18
Views: 596
Posted By Drew Eckhardt

There's no compatibility per Graeme gfk_velo who...

There's no compatibility per Graeme gfk_velo who is the head UK Campagnolo tech.
07-29-20, 08:38 AM
Replies: 59
Views: 1,849
Posted By Drew Eckhardt

Retroreflective powder coated rims are a bigger...

Retroreflective powder coated rims are a bigger target.
...
07-27-20, 05:04 PM
Replies: 15
Views: 449
Posted By Drew Eckhardt

Cesar at 3D Bike Fit in San Francisco. ...

Cesar at 3D Bike Fit in San Francisco.

https://www.3dbikefit.com/
07-27-20, 01:17 PM
Replies: 15
Views: 449
Posted By Drew Eckhardt

No. I saw a fitter first who resolved...

No.



I saw a fitter first who resolved my issues, although seeing a doctor would have been smarter.
Forum: Road Cycling
07-26-20, 01:55 PM
Replies: 5
Views: 298
Posted By Drew Eckhardt

With housings cut correctly at right angles,...

With housings cut correctly at right angles, derailleurs don't go out of adjustment unless you bend something apart from slight settling within the first few hundred miles.

Rear housing loops get...
07-26-20, 01:09 PM
Replies: 31
Views: 610
Posted By Drew Eckhardt

Learn to build your own wheels. While time...

Learn to build your own wheels.

While time consuming, it's not difficult when you don't need to be fast enough to turn a profit. Jobst Brandt tested his book _The Bicycle Wheel_ by having his two...
07-26-20, 12:18 PM
Replies: 69
Views: 2,014
Posted By Drew Eckhardt

You don't want to do that. Your "easy"...

You don't want to do that.

Your "easy" efforts are too hard, recruiting fast twitch fibers so you don't train your slow twitch fibers.

Your "hard" efforts are too easy so you don't train your...
Replies: 11
Views: 473
Posted By Drew Eckhardt

You're more likely to ride two 40 km loops at a...

You're more likely to ride two 40 km loops at a fast endurance pace which will provide more benefit than 80 km at a slower pace.

Stress is proportional to the square of exertion in terms of both...
Forum: Road Cycling
07-26-20, 11:01 AM
Replies: 16
Views: 614
Posted By Drew Eckhardt

While not UPF rated, I haven't noticed even the...

While not UPF rated, I haven't noticed even the slightest hint of pink on rides starting before sunrise and ending after sunset although my skin covered by jerseys/shorts/socks is snow white and I...
07-26-20, 08:03 AM
Replies: 27
Views: 614
Posted By Drew Eckhardt

Nice supple 25mm tires at an appropriate...

Nice supple 25mm tires at an appropriate inflation pressure.

Lots of us like Continental GP4000SII tires as a good balance between ride quality, puncture resistance, and life.

Add your bike and...
07-23-20, 11:01 PM
Replies: 30
Views: 1,000
Posted By Drew Eckhardt

You use a full size frame pump which will inflate...

You use a full size frame pump which will inflate a 700x25mm road tire to full pressure in 90-100 strokes.

You bring two spare tubes which will usually work plus a patch kit with a sealed tube of...
07-22-20, 10:15 AM
Replies: 18
Views: 596
Posted By Drew Eckhardt

Yeah, although the G-spring levers require...

Yeah, although the G-spring levers require frequent rebuilds.

While the more durable Ultrashift levers do not (shifting like I have ADHD, I got 25,000 miles before breaking a spring) Campagnolo...
07-20-20, 08:19 PM
Replies: 45
Views: 1,747
Posted By Drew Eckhardt

I like 50-39-30 x 13-14-15-16-17-18-19-21-23-26...

I like 50-39-30 x 13-14-15-16-17-18-19-21-23-26 which is 1.15 for the Santa Cruz and Diablo mountains, but in peak form am the same size as Alberto Contador - 5'9.5", 135-137 pounds.

Twenty years...
07-18-20, 09:33 AM
Replies: 15
Views: 698
Posted By Drew Eckhardt

There are just a few specialized bicycle tools...

There are just a few specialized bicycle tools you'll need with specifics depending on which bicycles you work on. They aren't numerous - everything but my repair stand, wheel ruing stand, and wheel...
Forum: Road Cycling
07-15-20, 08:48 AM
Replies: 30
Views: 1,401
Posted By Drew Eckhardt

Metals fail due to fatigue, with the cycles...

Metals fail due to fatigue, with the cycles survived a function of average stress and variation.

In machine built wheels, parts of the elbows have high average stress because they were never taken...
07-10-20, 06:53 PM
Replies: 46
Views: 1,735
Posted By Drew Eckhardt

Modern textiles are even faster than shaved skin....

Modern textiles are even faster than shaved skin. This led to the UCI banning socks and overshoes higher than halfway between the ankle and knee, with officials enforcing compliance measuring sock...
07-09-20, 11:43 AM
Replies: 46
Views: 1,735
Posted By Drew Eckhardt

Shaved legs have a huge effect on aerodynamics...

Shaved legs have a huge effect on aerodynamics with 80% of drag coming from the meat bag atop the bicycle.

You can save 60-90 seconds over 25 miles which is more than a $2000 set of carbon fiber...
07-08-20, 08:03 AM
Replies: 66
Views: 4,495
Posted By Drew Eckhardt

Get a training plan. You will not get fast just...

Get a training plan. You will not get fast just riding around or trying to keep up with a faster group. That won't be difficult enough to stress your fast-twitch fibers to force training adaptations,...
Replies: 67
Views: 7,612
Posted By Drew Eckhardt

Nice looking used triples are fairly abundant in...

Nice looking used triples are fairly abundant in 130/74mm BCD or 135/74 for Campagnolo. 110/74mm is more difficult to find - I've been searching for a Stronglight Fission (preferably Titane) for...
07-07-20, 03:12 PM
Replies: 71
Views: 2,036
Posted By Drew Eckhardt

The issue is the maximum percentage difference...

The issue is the maximum percentage difference between adjacent cogs, not where it occurs unless that's next to the largest or smallest. With the big cog you do better not running out over having...
07-04-20, 04:03 PM
Replies: 53
Views: 2,554
Posted By Drew Eckhardt

Overnight your body converts fat into carbs via...

Overnight your body converts fat into carbs via gluconeogenesis, so you should generally have 25g of blood sugar (100 calories), 100g of glycogen in your liver (400), and 400g (1600) in your muscles...
06-30-20, 01:03 PM
Replies: 78
Views: 13,022
Posted By Drew Eckhardt

A microsd writer makes Edge 800 map updates far...

A microsd writer makes Edge 800 map updates far less painful.
Forum: Road Cycling
06-26-20, 09:36 AM
Replies: 43
Views: 1,926
Posted By Drew Eckhardt

Yes, they're nice. I've been riding the same...

Yes, they're nice.

I've been riding the same Litespeed Natchez frame since 1997. It was 8 cog Campagnolo when I first built it up, although I moved on to 9 with a new right index cam plus freehubs...
06-25-20, 09:30 AM
Replies: 24
Views: 995
Posted By Drew Eckhardt

I get 4,500 miles out of Campagnolo 10 speed...

I get 4,500 miles out of Campagnolo 10 speed chains which I replace due to degraded front shifting from increased side plate wear causing flexibility. At that point they've only elongated 1/32" over...
06-24-20, 08:54 PM
Replies: 23
Views: 683
Posted By Drew Eckhardt

Full size frame pumps work fine at 90 psi, which...

Full size frame pumps work fine at 90 psi, which is achievable using cyclist's little T-rex arms.



Hardly.

Silca frame pumps use a 3/4" piston totaling 0.439 square inches which would...
06-24-20, 08:31 AM
Replies: 175
Views: 6,355
Posted By Drew Eckhardt

We can't differentiate between actual increased...

We can't differentiate between actual increased infections and more testing. Only hospitalizations matter.



Destroying people's jobs and businesses is a heinous travesty. Broke and bored people...
06-22-20, 02:07 PM
Replies: 131
Views: 9,435
Posted By Drew Eckhardt

In...

In https://www.quora.com/How-should-I-train-to-improve-my-23-mile-cycling-time I wrote:

Total power is the sum of aerobic and anaerobic components. Target both with aerobic requiring more training...
06-22-20, 12:34 PM
Replies: 6
Views: 439
Posted By Drew Eckhardt

It's not fake news. I've had symptoms for 109...

It's not fake news. I've had symptoms for 109 days - fatigue, a three month headache, chest tightness, and dry cough.

My heart rate is elevated after exertion. an echo cardiogram found borderline...
06-22-20, 08:14 AM
Replies: 71
Views: 3,556
Posted By Drew Eckhardt

Full size frame pump achieving full pressure in...

Full size frame pump achieving full pressure in 90 strokes for an unlimited number of flats.
06-18-20, 12:52 PM
Replies: 19
Views: 1,460
Posted By Drew Eckhardt

You can only digest 60g of sucrose plus 30g of...

You can only digest 60g of sucrose plus 30g of fructose an hour, noting even that's unnecessary with 2/3 to 3/4 of your energy coming from fat.

Also note that you're not going through 5000...
06-18-20, 10:36 AM
Replies: 120
Views: 6,141
Posted By Drew Eckhardt

The driver, although the cyclist allowed that to...

The driver, although the cyclist allowed that to happen by cycling within four feet of parked cars.

Most places require you to cycle as far right as practical without requiring bike lane use, and...
06-16-20, 06:39 AM
Replies: 16
Views: 504
Posted By Drew Eckhardt

You don't want Xenon shifters using the Escape...

You don't want Xenon shifters using the Escape mechanism. They have the same escapement mechanism as Shimano and have durability issues with the plastic internals.
06-16-20, 06:36 AM
Replies: 170
Views: 8,653
Posted By Drew Eckhardt

A 30 dollar android phone runs out of battery on...

A 30 dollar android phone runs out of battery on long rides, isn't visible in bright sunlight, is unusable for navigation in the rain with water registering as touches, and doesn't have water sources...
06-16-20, 06:27 AM
Replies: 7
Views: 777
Posted By Drew Eckhardt

Parasympathetic overtraining. Overtraining...

Parasympathetic overtraining.

Overtraining is relative to your current fitness level. You could ride 200 miles a week every week, but have problems increasing from 40 to 60.

As a rune of thumb...
06-10-20, 10:15 AM
Replies: 27
Views: 777
Posted By Drew Eckhardt

2001 model year, presumably some time in 2000. ...

2001 model year, presumably some time in 2000.



That was 1998 following the 1997 model year 9-speed introduction, with the first 9-speed levers having pointy hoods.
06-09-20, 07:58 PM
Replies: 27
Views: 777
Posted By Drew Eckhardt

Not really. PowerShift levers have mechanics...

Not really. PowerShift levers have mechanics unlike all other Campagnolo levers since 1992 not using the much maligned Escape mechanism introduced on Xenon in 2004 then Veloce and below for...
06-03-20, 08:43 AM
Replies: 125
Views: 5,935
Posted By Drew Eckhardt

Unfortunately sexisim isn't dead.

Unfortunately sexisim isn't dead.
06-03-20, 08:42 AM
Replies: 125
Views: 5,935
Posted By Drew Eckhardt

The correct etiquette is to get off and walk, or...

The correct etiquette is to get off and walk, or use the street like other vehicles.

You're a criminal.

If there are any intersections or driveways you're also risking your life from drivers...
06-02-20, 11:20 AM
Replies: 6
Views: 249
Posted By Drew Eckhardt

Yes Campagnolo made them for triple cranks,...

Yes

Campagnolo made them for triple cranks, although alignment between pins, ramps, and truncated teeth with your 39T ring could impair shift performance.

Specialites TA sells 135mm BCD 50T...
06-01-20, 12:21 PM
Replies: 22
Views: 496
Posted By Drew Eckhardt

It's a bad idea. First position cogs have a...

It's a bad idea.

First position cogs have a builtin spacer so they have good spline engagement overhanging the end of the freehub, and serrations to prevent lock ring rotation. While you can...
05-26-20, 08:20 AM
Replies: 11
Views: 686
Posted By Drew Eckhardt

It works great at night. Garmins can be...

It works great at night.

Garmins can be configured to do that after sunset, which they can calculate from GPS time and location.

My Edge 800 released in 2010 does that, my old Edge 500 did not.
05-24-20, 07:58 AM
Replies: 46
Views: 1,588
Posted By Drew Eckhardt

Some of us also still ride traditional frames...

Some of us also still ride traditional frames with level top tubes, leaking plenty of room for a 750ml water bottle on the seat tube and frame pump along the top tube above it.

Unfortunately, that...
05-23-20, 09:11 AM
Replies: 46
Views: 1,588
Posted By Drew Eckhardt

My full size frame pump takes 90 strokes and...

My full size frame pump takes 90 strokes and still works when an unfindable tiny piece of tire wire punctures my replacement tubes producing slow leaks.
Forum: Road Cycling
05-22-20, 12:34 PM
Replies: 209
Views: 12,654
Posted By Drew Eckhardt

b2c web businesses are difficult. You need to...

b2c web businesses are difficult. You need to hope network effects kick in because low (or no with advertising businesses) revenue from each individual precludes significant customer acquisition...
05-15-20, 08:26 PM
Replies: 13
Views: 579
Posted By Drew Eckhardt

Yes. although 1. The rear lever screw has...

Yes. although
1. The rear lever screw has left hand thread.
2. They don't have a clock spring.
3. Right G-spring carriers were discontinued. I never tried cutting the clock spring post off a...
05-11-20, 08:19 AM
Replies: 18
Views: 797
Posted By Drew Eckhardt

It's fine if it doesn't skip or downshift when...

It's fine if it doesn't skip or downshift when you're cross-chained, noting that you can crash if you're leaning forward during an uncommanded downshift.
05-10-20, 02:01 PM
Replies: 12
Views: 570
Posted By Drew Eckhardt

You probaby don't have enough tension in the...

You probaby don't have enough tension in the spokes that are coming lose. Possibilities are
1. Their neighbors on the same side are tight so they're lose when the wheel is true. Make their neighbors...
Showing results 1 to 50 of 148
 


 
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