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Search: Posts Made By: Drew Eckhardt
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Forum: Road Cycling
10-09-19, 03:36 PM
Replies: 60
Views: 2,194
Posted By Drew Eckhardt

How much do you weigh? I like 70 psi front...

How much do you weigh?

I like 70 psi front and 80 psi rear with 135-150 pound rider weight on 25mm GP4000s with conventional tubes.

60/70 doesn't risk pinch flats, but feels squishy, slow, and...
10-02-19, 06:15 PM
Replies: 13
Views: 384
Posted By Drew Eckhardt

With sufficient tension you don't need anything...

With sufficient tension you don't need anything to lock the nipples, and don't want extra friction increasing windup.

Zinc anti seize is ideal (it will corrode preferentially over aluminum nipples...
09-25-19, 03:05 PM
Replies: 19
Views: 1,449
Posted By Drew Eckhardt

One with a maximum setting of 15-20 Nm, which...

One with a maximum setting of 15-20 Nm, which will be accurate torquing fasteners to 3 or 4 Nm limit respectively. You can't count on torque wrenches being accurate below 20% of their full scale...
09-18-19, 07:15 PM
Replies: 24
Views: 1,204
Posted By Drew Eckhardt

You can have a saddle that's tilting both down...

You can have a saddle that's tilting both down and up too much at the same time.

A downward slope on the tail causes you to slide forwards.

An upward slope on the nose causes discomfort.

A...
09-13-19, 05:30 PM
Replies: 21
Views: 1,194
Posted By Drew Eckhardt

There are lots but you don't want one. I tried...

There are lots but you don't want one. I tried four seatpost mounted racks. Three rubbed on my thighs when pedaling, and the other wasn't strong enough to keep a laptop containing pannier out of my...
09-09-19, 10:26 PM
Replies: 26
Views: 1,415
Posted By Drew Eckhardt

It's $90 with steel ball bearings in steel races....

It's $90 with steel ball bearings in steel races. Substituting ceramic at least doubles the price as expected.

Just check the correct box.
Replies: 26
Views: 1,617
Posted By Drew Eckhardt

Yes. No. It's better to eat less if...

Yes.



No. It's better to eat less if you're not already at your ideal cycling weight and save room for better testing good if you are.

As a rule of thumb trained cyclists can do at least...
09-03-19, 09:02 PM
Replies: 23
Views: 1,121
Posted By Drew Eckhardt

It looks like it broke or was defective. ...

It looks like it broke or was defective.



A nipple would be fine, although you'll need a motorcycle spoke wrench.



While I won't recommend doing so, when I rode a set of wheels made by...
Replies: 26
Views: 1,617
Posted By Drew Eckhardt

240 kcal of sucrose plus 120 kcal of fructose. A...

240 kcal of sucrose plus 120 kcal of fructose. A little fat helps satiety and a little protein alertness.



120 kcal of Clif Bar plus, quadruple that for breakfast before riding, and...
Replies: 23
Views: 1,808
Posted By Drew Eckhardt

I like Voler's Elastic Interface Technology Comp...

I like Voler's Elastic Interface Technology Comp HP pad with 10mm of 120 kg/m^3 foam beneath my ischial tuberosities tapering at the edges to 3mm 80 kg/m^3. It's in their Black Label bibs and shorts....
09-03-19, 12:27 PM
Replies: 49
Views: 3,697
Posted By Drew Eckhardt

It depends. Phone screens are less visible...

It depends.

Phone screens are less visible than LCD in bright sunlight, you only get four hours of screen time, the capacitive touch screens register rain drops as presses, and most phones won't...
08-31-19, 01:43 PM
Replies: 6
Views: 621
Posted By Drew Eckhardt

There's a 1mm deep screw driver slot for starting...

There's a 1mm deep screw driver slot for starting nipples. The closed end near the rim is the bottom. The top is the tire side where the nipple ends.



It has one example of your rims measured...
08-31-19, 10:53 AM
Replies: 6
Views: 621
Posted By Drew Eckhardt

Measure it. Put two spokes in opposite holes,...

Measure it. Put two spokes in opposite holes, thread nipples to your target depth, measure across the elbows with your calipers, and add double the spoke length. Repeat at 90 degrees, if that differs...
08-27-19, 05:22 PM
Replies: 3
Views: 328
Posted By Drew Eckhardt

1. Cables break strands due to fatigue bending...

1. Cables break strands due to fatigue bending around the shifter drum and 90 degree internal guide allowing under bar tape routing having hoods level with the bar top. That can happen in a few...
Forum: Road Cycling
08-27-19, 03:19 PM
Replies: 48
Views: 2,248
Posted By Drew Eckhardt

Yes, unless you find a used set which were sold...

Yes, unless you find a used set which were sold separately (28 holes) or in Campagnolo wheels which were available with 16 holes or fewer (I don't know if the 12 spoke Shamals were still an option...
Forum: Road Cycling
08-27-19, 02:09 PM
Replies: 48
Views: 2,248
Posted By Drew Eckhardt

Campagnolo sells Shimano/SRAM splined freehubs...

Campagnolo sells Shimano/SRAM splined freehubs with both Campy and Fulcrum branding.
08-26-19, 08:20 PM
Replies: 25
Views: 1,394
Posted By Drew Eckhardt

A wheel is good enough it clears the brake pads...

A wheel is good enough it clears the brake pads when they're adjusted so the lever doesn't hit the bar, doesn't have a perceptible jump from radial runout, is tight enough to stay true, is centered...
08-26-19, 07:52 PM
Replies: 30
Views: 1,755
Posted By Drew Eckhardt

FWIW, you can use Critical Power calculated off...

FWIW, you can use Critical Power calculated off short (2-3 minutes) and long (15-20 minutes) maximal efforts instead.

Basically, you have some Critical Power you can sustain plus an Anaerobic Work...
08-26-19, 07:21 PM
Replies: 18
Views: 866
Posted By Drew Eckhardt

Usually race fit long sleeve thermal jerseys...

Usually race fit long sleeve thermal jerseys (Voler or Verge) with a race fit Louis Garneau speedzone wind shell. Together they're comfortable down to 40 degrees. If it warms up, the jersey lets...
08-24-19, 04:02 PM
Replies: 94
Views: 4,377
Posted By Drew Eckhardt

You're selecting the cross-count to get spokes...

You're selecting the cross-count to get spokes tangent to the hub, where the common rules of thumb (cross 3 for 32 hole, 3-4 for 36) are only appropriate for small flange hubs in ISO 622 rims.
...
08-24-19, 03:53 PM
Replies: 26
Views: 946
Posted By Drew Eckhardt

Stahlwille makes lovely tools, especially split...

Stahlwille makes lovely tools, especially split beam torque wrenches. Instantly select a torque with your thumbs, they're accurate over the full scale, and they work in reverse for left-handed...
08-24-19, 03:50 PM
Replies: 7
Views: 404
Posted By Drew Eckhardt

Get some 0.5mm chainring spacers from Wheels...

Get some 0.5mm chainring spacers from Wheels Manufacturing, Origin 8, etc. and move the big ring outboard a hair. You'll keep the pins for shifting and avoid problems from a crankset which was...
08-24-19, 10:17 AM
Replies: 16
Views: 1,332
Posted By Drew Eckhardt

You're over-training and need rest weeks, usually...

You're over-training and need rest weeks, usually 1 in 4 although some riders require 1 in 3 especially as we age. Over training is a function of relative intensity and duration not absolute....
08-23-19, 06:15 PM
Replies: 76
Views: 5,425
Posted By Drew Eckhardt

Water sources are included in the Open Street Map...

Water sources are included in the Open Street Map cycle maps, although you need to zoom in to see them. They're included as Points Of Interest when you download the OSM cyclemaps from...
Forum: Road Cycling
08-22-19, 09:05 PM
Replies: 59
Views: 3,073
Posted By Drew Eckhardt

I weighed 205 for a while and found starting at...

I weighed 205 for a while and found starting at 95 psi front and 105 psi rear dropping over a week to 85/95 sufficient for a nice ride with no snake bites.

If I still weighed that much and frame...
08-22-19, 07:52 PM
Replies: 39
Views: 2,166
Posted By Drew Eckhardt

The 135mm BCD won't support anything smaller than...

The 135mm BCD won't support anything smaller than a 39.



Campagnolo sells a 13-14-15-16-17-19-21-23-26-29 cassette with tighter spacing on the small cogs than your...
08-22-19, 07:59 AM
Replies: 135
Views: 11,544
Posted By Drew Eckhardt

1. They're nicer to ride, especially over the 32...

1. They're nicer to ride, especially over the 32 mile average daily round trip to commute.

2. A nice one for $3000 costs 1/10th the average new commuter car, and 1/30th to 1/40th a nice commuter...
08-21-19, 08:30 AM
Replies: 46
Views: 3,178
Posted By Drew Eckhardt

I spend my money on tires, chains, and shorts as...

I spend my money on tires, chains, and shorts as they wear out.



No, but those reasons have nothing to do with it.

Obsolescence isn't a thing for road bikes unless someone is trying to sell...
08-20-19, 06:33 PM
Replies: 54
Views: 3,662
Posted By Drew Eckhardt

You can have an uncommanded downshift to a...

You can have an uncommanded downshift to a smaller ring when using a larger ring with the largest cog. Modern rings with truncated teeth in down shift zones make shifting easier, and a little wear...
08-19-19, 03:35 PM
Replies: 52
Views: 3,155
Posted By Drew Eckhardt

That would require stopping 50% more often on...

That would require stopping 50% more often on long rides, and be an issue when leaving civilization behind at "no services next 50 miles" signs.
Forum: Road Cycling
08-18-19, 06:05 PM
Replies: 18
Views: 925
Posted By Drew Eckhardt

I like a thermal jersey plus wind shell. By...

I like a thermal jersey plus wind shell.

By itself, the thermal jersey is insulating but has no wind protection. Without a top layer it's comfortable through 60 degrees.

By itself, the wind...
08-18-19, 12:12 PM
Replies: 11
Views: 596
Posted By Drew Eckhardt

Gravel, although for commuting I'd ensure I had...

Gravel, although for commuting I'd ensure I had rack eyelets and consider longer chain stays for pannier heel clearance.

A drop bar bike will be more aerodynamic (the bars are narrower even if you...
08-16-19, 06:32 PM
Replies: 12
Views: 1,863
Posted By Drew Eckhardt

Garmins are configurable for field count and...

Garmins are configurable for field count and content, with fewer fields make the top ones larger. Look at older refurbished or used models to save money. The Edge 500 was their first small GPS, Edge...
Forum: Road Cycling
08-16-19, 06:20 PM
Replies: 91
Views: 10,836
Posted By Drew Eckhardt

Rubber fatigues. FACTORS THAT AFFECT THE...

Rubber fatigues.

FACTORS THAT AFFECT THE FATIGUE LIFE OF RUBBER: A LITERATURE SURVEY as published in Journal of Rubber Chemistry and Technology
...
Forum: Road Cycling
08-16-19, 03:32 PM
Replies: 234
Views: 22,824
Posted By Drew Eckhardt

In 1997 I had my choice of titanium (Litespeed),...

In 1997 I had my choice of titanium (Litespeed), carbon fiber (Look), or steel (various) for about the same price.

I opted for titanium with no paint to chip. My titanium frame still looks better...
08-15-19, 02:31 PM
Replies: 40
Views: 2,590
Posted By Drew Eckhardt

At 3500 kcal/pound including water stored along...

At 3500 kcal/pound including water stored along side it, most of us have more than enough fat to take us wherever we want to ride at 30 kcal/mile.
Forum: Road Cycling
08-14-19, 03:31 PM
Replies: 91
Views: 10,836
Posted By Drew Eckhardt

Yes. Tube failure where the valve stem...

Yes.

Tube failure where the valve stem connects is likely when you leave the nuts off. Without them the valve stem moves when you attach and remove the pump, causing the rubber to fatigue and...
08-13-19, 10:28 PM
Replies: 50
Views: 3,121
Posted By Drew Eckhardt

A Category 2 climb could average 5% over 10km,...

A Category 2 climb could average 5% over 10km, for 500 meters and 1500 feet in height; or 10% over 5km; or 3% over 20km for 600 meters and 1800 feet.

You need to live near mountains for climbs...
08-13-19, 08:58 PM
Replies: 46
Views: 3,319
Posted By Drew Eckhardt

I rarely buy jerseys. While shorts pill and...

I rarely buy jerseys.

While shorts pill and turn transparent, jerseys seem to keep on going when not crashed.

I have some from 1997 I wore until I grew too large by 2010 and bought bigger...
08-13-19, 03:28 PM
Replies: 50
Views: 3,121
Posted By Drew Eckhardt

While fun, physics does not support that approach...

While fun, physics does not support that approach for shortest elapsed time completing your ride.

Aerodynamic drag is proportional to the square of velocity, which makes power overcoming it...
08-12-19, 06:51 PM
Replies: 50
Views: 3,121
Posted By Drew Eckhardt

Don't speed up because you'll waste too much...

Don't speed up because you'll waste too much energy on aerodynamic drag and speeding up can radically reduce your endurance - endurance drops from 60 to 20 minutes with a 5% increase, and another 5%...
Forum: Road Cycling
08-08-19, 08:18 PM
Replies: 26
Views: 1,160
Posted By Drew Eckhardt

Buy a bunch of cables - like 10. Figure out...

Buy a bunch of cables - like 10.

Figure out what sort of life you get with your shifting habits, gear levers, and those cables. That could be 1,000 - 20,000 miles.

Replace before they break...
08-08-19, 11:26 AM
Replies: 3
Views: 307
Posted By Drew Eckhardt

It will be mechanically fine, but I wouldn't...

It will be mechanically fine, but I wouldn't because the greater thickness will preclude matching tension at the same tone.

I'd order a few CX-Rays in the same length from a shop like...
Forum: Road Cycling
08-06-19, 09:51 AM
Replies: 138
Views: 13,871
Posted By Drew Eckhardt

Ones which fit. Summer jerseys need to touch...

Ones which fit. Summer jerseys need to touch your skin to wick, and thermal ones need to be close to prevent air movement inside.

Start with the manufacturers' size charts including chest, waist...
08-06-19, 12:08 AM
Replies: 13
Views: 774
Posted By Drew Eckhardt

Probably. You can get thin spacers to adjust...

Probably.

You can get thin spacers to adjust cassette spacing from companies like Wheels Manufacturing or start from shim stock.

Standard axle spacers won't work with contemporary wheels that...
Forum: Road Cycling
08-05-19, 07:14 PM
Replies: 26
Views: 1,160
Posted By Drew Eckhardt

It varies radically with component and rider. ...

It varies radically with component and rider.



I get about 4500 miles out of Campagnolo 8/9/10 speed chains at which point I replace them due to sluggish shifts to my big ring because of...
Forum: Road Cycling
08-05-19, 07:07 PM
Replies: 26
Views: 1,160
Posted By Drew Eckhardt

Modern shifters have parts which fail due to...

Modern shifters have parts which fail due to fatigue. I shift like I have ADHD and got 24,000 miles out of my first right Campagnolo ergo lever before the rear ratchet spring failed. Other shifters...
08-05-19, 04:58 PM
Replies: 49
Views: 2,864
Posted By Drew Eckhardt

I replace my Campagnolo (C8, C9, and now C10)...

I replace my Campagnolo (C8, C9, and now C10) chains after 4000-4500 miles when shifts onto my big ring get sluggish due to increased flexibility from excessive side plate wear although they've only...
07-31-19, 01:51 PM
Replies: 38
Views: 3,083
Posted By Drew Eckhardt

Maps are so 1999. You plan a route on...

Maps are so 1999.

You plan a route on ridewithgps.com selecting the most pleasant looking streets for riding, split it into 60 mile chunks so Garmin's bad software doesn't crash, download it to...
07-30-19, 02:21 PM
Replies: 134
Views: 9,690
Posted By Drew Eckhardt

You can use forwarding services to get packages...

You can use forwarding services to get packages from Europe to the US.

They're common in Germany where domestic ebay sellers don't like to export.
Showing results 1 to 50 of 1000
 


 
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