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Search: Posts Made By: Drew Eckhardt
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09-28-20, 03:46 PM
Replies: 10
Views: 145
Posted By Drew Eckhardt

https://www.quora.com/Why-would-back-wheel-spokes-...

https://www.quora.com/Why-would-back-wheel-spokes-keep-breaking-spokes-bicycles/answer/Drew-Eckhardt

The spoke elbows have high stress from the forming operation because parts were never taken...
09-27-20, 08:22 AM
Replies: 42
Views: 3,676
Posted By Drew Eckhardt

It's a fine idea. I spent 22 hours on my last...

It's a fine idea. I spent 22 hours on my last 200 mile ride including the two highest paved peaks in the area.
09-26-20, 09:06 PM
Replies: 86
Views: 2,550
Posted By Drew Eckhardt

Pit bulls are sweeties that would play with a...

Pit bulls are sweeties that would play with a burglar.
09-26-20, 09:01 PM
Replies: 66
Views: 1,454
Posted By Drew Eckhardt

Metabolic efficiency doesn't win races or...

Metabolic efficiency doesn't win races or minimize fatigue on long rides, and less is a good thing when you have over 7% body fat because reducing that makes you faster up hills.
Forum: Road Cycling
09-25-20, 05:26 PM
Replies: 81
Views: 3,038
Posted By Drew Eckhardt

With a power meter you can use RChung 's virtual...

With a power meter you can use RChung 's virtual elevation method to determine CdA and Crr.
09-22-20, 06:12 PM
Replies: 7
Views: 210
Posted By Drew Eckhardt

When I attempted to use an FSA "9 and 10 speed...

When I attempted to use an FSA "9 and 10 speed compatible" compact crank with a 9 speed chain, I had chain rub in the 2-3 smallest and no overlapping range between rings.

Spacing it out to...
09-21-20, 05:02 PM
Replies: 7
Views: 210
Posted By Drew Eckhardt

Yes unless you plan on using an 11 speed chain. ...

Yes unless you plan on using an 11 speed chain.

Otherwise chain rub on the big ring is likely when you're using smaller cogs.

Wheels Manufacturing, Origin 8, and LeTour all make 0.5mm shims for...
Forum: Road Cycling
09-20-20, 04:06 PM
Replies: 81
Views: 3,038
Posted By Drew Eckhardt

Wider tires at lower pressure are more...

Wider tires at lower pressure are more comfortable but not slower, and that much pressure will slow you down with 25mm tires.

The pro peloton is all on 25mm tires, except the two teams sponsored...
09-17-20, 10:04 PM
Replies: 37
Views: 1,737
Posted By Drew Eckhardt

Only if you climb seated. Up hill It's...

Only if you climb seated.



Up hill It's proportional to total weight. Dropping 10 pounds from a light for normal people 145 pounds to climbing ready 135 pounds with 20 pounds of...
Forum: Road Cycling
09-17-20, 09:55 PM
Replies: 22
Views: 1,111
Posted By Drew Eckhardt

A 185 pound rider with five pounds of...

A 185 pound rider with five pounds of water/shoes/clothes/helmet/flat kit on a 20 pound bike losing 5 pounds to the UCI minimum is 2.4% faster up the steepest hills, saving less than 90 seconds an...
09-16-20, 04:10 PM
Replies: 67
Views: 1,657
Posted By Drew Eckhardt

Yes. IMHO, cassettes with a two tooth jump before...

Yes. IMHO, cassettes with a two tooth jump before the 19 cog are unacceptable for road riding. I rode 13-21 8 cogs, 13-23 9, and currently use 13-26 10.

The pro-peloton didn't regularly ride...
Forum: Road Cycling
09-16-20, 11:42 AM
Replies: 15
Views: 559
Posted By Drew Eckhardt

You might like Boure Pro shorts which still use a...

You might like Boure Pro shorts which still use a synthetic leather chamois. Drew Boure also does custom (different inseam, rise, bib strap length, etc.) for a small upcharge.

The padding is too...
Forum: Road Cycling
09-16-20, 11:38 AM
Replies: 15
Views: 559
Posted By Drew Eckhardt

That will also engage your glutes and make more...

That will also engage your glutes and make more power.
Forum: Road Cycling
09-15-20, 06:05 PM
Replies: 83
Views: 2,667
Posted By Drew Eckhardt

With lungs the limiting factor and lung size a...

With lungs the limiting factor and lung size a function of height, sprinter chunkiness gives them a bad aerobic power to weight ratio. They also have a suboptimal fast versus slow twitch muscle...
Forum: Road Cycling
09-15-20, 05:19 PM
Replies: 20
Views: 711
Posted By Drew Eckhardt

I like that 11 speed still used carbon fiber...

I like that 11 speed still used carbon fiber weave which couldn't be confused with cheap coated aluminum and included a 12-13-14-15-16-17-18-19-21-23-25 cassette option. I'd buy Super Record 11 over...
09-15-20, 03:53 PM
Replies: 16
Views: 537
Posted By Drew Eckhardt

Peanut Butter Crunch Clif bars. They're mostly...

Peanut Butter Crunch Clif bars. They're mostly carbs which can be digested, don't make a mess when I return a partially eaten bar to a jersey pocket, and aren't so sweet I can't eat 9 or 10 on a 200...
Forum: Road Cycling
09-14-20, 09:31 PM
Replies: 72
Views: 3,123
Posted By Drew Eckhardt

A power driven training program using your...

A power driven training program using your current bicycle will do far more for your performance than a 15 pound UCI minimum weight bike with $2000 carbon fiber wheels and a $3600 SRAM Red eTap AXS...
Forum: Road Cycling
09-14-20, 09:23 PM
Replies: 72
Views: 3,123
Posted By Drew Eckhardt

Fix the rider and forget about better parts...

Fix the rider and forget about better parts except for good tires, an aero jersey, latex tubes, and a razor to shave your legs.

Splurge for a road aero helmet if you're feeling rich - it's a bad...
09-14-20, 03:16 PM
Replies: 14
Views: 331
Posted By Drew Eckhardt

Depends on the chainline. Road triples have 45 -...

Depends on the chainline. Road triples have 45 - 47.5mm chain lines. Mountain bikes are typically 49-51mm. You want the derailleur and chainline to match so the cage has its designed combination of...
09-12-20, 10:25 AM
Replies: 15
Views: 816
Posted By Drew Eckhardt

That's normal. COVID can lead to Chronic...

That's normal.

COVID can lead to Chronic Fatigue Syndrome with mitochondrial energy dysfunction and cardiac preload failure, both of which can radically decrease your aerobic and anaerobic...
09-11-20, 02:32 PM
Replies: 24
Views: 573
Posted By Drew Eckhardt

It depends on how much you favor a few cogs. I...

It depends on how much you favor a few cogs. I ride cassettes with one tooth jumps to the 19T, don't neglect any apart from the small cog, and have 25,000 miles on my current cassette that's on its...
Forum: Road Cycling
09-10-20, 09:57 PM
Replies: 45
Views: 2,164
Posted By Drew Eckhardt

Arkel Tail Rider. 8l expands to 11. Perfect for...

Arkel Tail Rider. 8l expands to 11. Perfect for unsupported 200 mile solo rides - extra 1 liter platypus, another half dozen energy bars, thermal tights/jersey/gloves, spare light, regular tool/tube...
Forum: Road Cycling
09-10-20, 06:06 PM
Replies: 38
Views: 1,917
Posted By Drew Eckhardt

So lace a set of Son Archetype rims to Shimano...

So lace a set of Son Archetype rims to Shimano hubs using your favorite spokes and buy spare rims.
09-10-20, 01:18 PM
Replies: 47
Views: 2,035
Posted By Drew Eckhardt

It's a bad idea if you want new current...

It's a bad idea if you want new current Shimano/SRAM parts in a standard configuration. With the steep OEM discount, you can buy a complete bicycle from bikesdirect for not much more than the price...
09-10-20, 10:57 AM
Replies: 42
Views: 1,093
Posted By Drew Eckhardt

It will be 1X to reduce COGS thus increasing...

It will be 1X to reduce COGS thus increasing profit.

COGS reduction is the same reason all mass market road bikes come with compact cranks, although they may wear traditional 53x39 rings.



A...
09-10-20, 10:54 AM
Replies: 42
Views: 1,093
Posted By Drew Eckhardt

That's a question for gfk_velo . When...

That's a question for gfk_velo .

When Campagnolo introduced 11 speed for the 2009 model year, people modified their 10 speed derailleurs by grinding down the cable fixing bolt diameter to get more...
09-09-20, 09:47 PM
Replies: 42
Views: 1,093
Posted By Drew Eckhardt

Nope. With the move to 10 cogs Campagnolo...

Nope.

With the move to 10 cogs Campagnolo changed the actuation ratio from 1.4 to 1.5 to get enough derailleur movement to fit the offset big cog which extends beyond the freehub splines, which...
09-05-20, 12:07 PM
Replies: 44
Views: 997
Posted By Drew Eckhardt

Supported multi-day: 28,000 on a 418 mile one...

Supported multi-day: 28,000 on a 418 mile one week tour from Grand Junction to Golden, CO
Solo unsupported one day: 12,600 on a 200 mile ride because I wanted to hit Mt. Hamilton then Mt. Diablo, 2...
Forum: Road Cycling
09-04-20, 09:43 AM
Replies: 26
Views: 897
Posted By Drew Eckhardt

https://www.quora.com/Lately-I-have-been-more-vexe...

https://www.quora.com/Lately-I-have-been-more-vexed-than-ever-by-removing-and-installing-reinstalling-bicycle-tires-You-just-have-to-tug-and-tug-and-TUG-until-you-get-it-to-yield-and-it-is-hard-not-to...
09-03-20, 09:06 PM
Replies: 15
Views: 816
Posted By Drew Eckhardt

A disproportional number of people with long-haul...

A disproportional number of people with long-haul post COVID symptoms never develop measurable antibodies.

If you had COVID symptoms (Before this I never had a respiratory infection with shortness...
09-03-20, 09:02 PM
Replies: 15
Views: 816
Posted By Drew Eckhardt

I rode as tolerated after developing symptoms on...

I rode as tolerated after developing symptoms on March 5th.

On May 23rd when I first felt well enough to ride over an hour at a reasonable endurance pace I had left side chest pain with a heart...
09-02-20, 01:00 PM
Replies: 28
Views: 580
Posted By Drew Eckhardt

Two wraps of 16mm (5/8") wide 1 mil Kapton tape. ...

Two wraps of 16mm (5/8") wide 1 mil Kapton tape. Easiest tire installation, lowest cost, and least weight.
Forum: Road Cycling
09-02-20, 12:19 PM
Replies: 302
Views: 13,330
Posted By Drew Eckhardt

They suck 20W more than a decent tire at 20 MPH...

They suck 20W more than a decent tire at 20 MPH which is a 10% effort increase that can cut endurance from an hour to ten minutes, have a lousy ride, and aren't much more flat resistant when you're...
Forum: Road Cycling
09-02-20, 10:59 AM
Replies: 30
Views: 971
Posted By Drew Eckhardt

No. Starting with a contemporary 25-30mm deep...

No. Starting with a contemporary 25-30mm deep alloy rim not the venerable Mavic Open Pro which was slow 20 years ago, $1500-$2000 carbon fiber wheels will save you 1.5 out of 200 watts at 20 MPH and...
09-01-20, 09:04 AM
Replies: 25
Views: 760
Posted By Drew Eckhardt

I like my 13-14-15-16-17-18-19-21 cogs and was...

I like my 13-14-15-16-17-18-19-21 cogs and was happy to add 23 and 26 tooth sprockets with the move to 9 then 10.

Missing odd or even cogs in the 13-19 range yield more shifting with gears that...
08-31-20, 05:13 PM
Replies: 25
Views: 755
Posted By Drew Eckhardt

I've always done all my own work, because apart...

I've always done all my own work, because apart from wheel building that takes less time than dropping off and picking up a bicycle and tool costs the first time aren't out of line with labor...
08-31-20, 02:12 PM
Replies: 18
Views: 619
Posted By Drew Eckhardt

It also elevates your wheels to table height so...

It also elevates your wheels to table height so you can build them while comfortably seated.
...
08-31-20, 08:43 AM
Replies: 9
Views: 338
Posted By Drew Eckhardt

I'd go for the same set sold by Amazon for $7.90 ...

I'd go for the same set sold by Amazon for $7.90

https://www.amazon.com/gp/product/B0084B7S70
08-30-20, 09:56 PM
Replies: 18
Views: 619
Posted By Drew Eckhardt

I've been using a Minoura for 23 years which...

I've been using a Minoura for 23 years which conveniently folds flat for storage and self-centers for initial dishing.

https://www.amazon.com/Minoura-Portable-Wheel-Truing-Stand/dp/B008ENQ39W
08-30-20, 10:20 AM
Replies: 5
Views: 224
Posted By Drew Eckhardt

Yes. You need a Fulcrum/Campagnolo freehub for...

Yes. You need a Fulcrum/Campagnolo freehub for steel axle cartridge bearing hubs. They make a different part for hubs with cup and cone bearings on oversize aluminum axles.
...
08-30-20, 10:17 AM
Replies: 5
Views: 224
Posted By Drew Eckhardt

I paid as little as $36 each when I laid in my...

I paid as little as $36 each when I laid in my stock pile of 13-26 10 speed cassettes as insurance against Campagnolo discontinuing that combination now that their least expensive group is 11 speed,...
08-27-20, 05:46 PM
Replies: 199
Views: 13,382
Posted By Drew Eckhardt

Inexpensive. I use One $40 Continental...

Inexpensive.

I use

One $40 Continental GP4000SII $40 tire every 4500 miles, for $0.00889 each
One $25 chain every 4500 miles for $0.00556 each
One $90 shift mechanism in 25,000 miles for...
Forum: Road Cycling
08-27-20, 10:59 AM
Replies: 45
Views: 1,974
Posted By Drew Eckhardt

Yes, although I wasn't happy when I tried modern...

Yes, although I wasn't happy when I tried modern PI shorts.

Stiffer foam like the 120 kg/m^3 in the Elastic Interface Technology Comp HP pad used in many Voler shorts puts less pressure on your...
08-25-20, 03:15 PM
Replies: 63
Views: 2,159
Posted By Drew Eckhardt

No. Titanium requires no paint job that acquires...

No. Titanium requires no paint job that acquires scrapes and scratches when you ride your bike.
08-24-20, 11:32 AM
Replies: 4
Views: 240
Posted By Drew Eckhardt

Yes. 8 speed cassettes used a 28x1mm thread lock...

Yes. 8 speed cassettes used a 28x1mm thread lock ring, the first 9 speed freehub bodies 26x1mm, then Campagnolo switched to 27x1mm with the move to over sized axles.
08-23-20, 10:29 AM
Replies: 39
Views: 1,092
Posted By Drew Eckhardt

The hand position on drop bar bikes is more...

The hand position on drop bar bikes is more ergonomic, making them comfortable on 100 mile, 200 km, 200 mile, etc. rides.

Aerodynamics and a supple set of road tires with low rolling resistance...
08-23-20, 08:46 AM
Replies: 12
Views: 434
Posted By Drew Eckhardt

It's the shape of the depression at the rim...

It's the shape of the depression at the rim centerline which determines how much slack you can create and the resulting ease of mounting tires.

0.010" larger diameter there can mean the difference...
08-22-20, 10:38 PM
Replies: 12
Views: 434
Posted By Drew Eckhardt

The MA40s are fine, you could even use a thick...

The MA40s are fine, you could even use a thick rim tape like Velox on them.
08-22-20, 10:28 AM
Replies: 10
Views: 345
Posted By Drew Eckhardt

I'll take that bet. It happened silently...

I'll take that bet.

It happened silently with the move to disc brakes beginning in 2010 for the 2011 model year.

The majority of new road bikes use 12x142mm thru axles with 135mm between...
Forum: Road Cycling
08-21-20, 05:58 PM
Replies: 16
Views: 509
Posted By Drew Eckhardt

They always hang in the same position so there's...

They always hang in the same position so there's never any fiddling, and work with walkable shoes for running around inside stores on long rides getting water, etc.
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