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Search: Posts made by: Rolf Mantel[_2_]
Forum: Techniques July 10th 19, 04:05 PM Posted to rec.bicycles.tech
Replies: 132
Views: 343
Posted By Rolf Mantel[_2_]
So Long Tubulars?

Am 10.07.2019 um 16:45 schrieb sms:
Airless is really the future of bicycle tires
https://mashable.com/2018/05/15/new-way-of-cycling-with-airless-tires-that-never-go-flat/.

Like the "Green...
Forum: Techniques June 28th 19, 08:21 AM Posted to rec.bicycles.tech
Replies: 125
Views: 757
Posted By Rolf Mantel[_2_]
BB standard

Am 27.06.2019 um 15:13 schrieb sms:
I was just over in Germany two weeks ago (Berlin) and I made a point of
looking for AT cars, peering in the windows. There were a few luxury
cars with...
Forum: Techniques June 14th 19, 09:46 AM Posted to rec.bicycles.tech
Replies: 30
Views: 332
Posted By Rolf Mantel[_2_]
Chain alignment friction losses

Am 13.06.2019 um 17:41 schrieb Mark J.:
On 6/13/2019 1:06 AM, Rolf Mantel wrote:
Am 13.06.2019 um 01:21 schrieb John B.:
As an aside, 250 watts is probably as high, or perhaps higher,...
Forum: Techniques June 13th 19, 09:06 AM Posted to rec.bicycles.tech
Replies: 30
Views: 332
Posted By Rolf Mantel[_2_]
Chain alignment friction losses

Am 13.06.2019 um 01:21 schrieb John B.:
As an aside, 250 watts is probably as high, or perhaps higher, than
the usual recreational cyclist normally produces.

My health insurance says 2 watts per...
Forum: Techniques June 12th 19, 08:32 AM Posted to rec.bicycles.tech
Replies: 21
Views: 266
Posted By Rolf Mantel[_2_]
Feeling strong

Am 12.06.2019 um 03:51 schrieb Joy Beeson:
Then there was the time I got lost on the way home from Altamont
because my turn was at the top of an exhausting climb

This reminds me that I went up...
Forum: Techniques June 7th 19, 01:57 PM Posted to rec.bicycles.tech
Replies: 165
Views: 954
Posted By Rolf Mantel[_2_]
Protecting yourself

Am 07.06.2019 um 14:03 schrieb Duane:
On 06/06/2019 8:54 p.m., John B. wrote:
On Thu, 6 Jun 2019 23:12:18 -0000 (UTC), Duane wrote:

John B. ...
Forum: Techniques June 6th 19, 03:37 PM Posted to rec.bicycles.tech
Replies: 165
Views: 954
Posted By Rolf Mantel[_2_]
Protecting yourself

Am 06.06.2019 um 16:11 schrieb Jeff Liebermann:
On Thu, 6 Jun 2019 10:03:52 -0000 (UTC), Duane wrote:

But you can’t text without looking at it.

The problem can also be...
Forum: Techniques June 6th 19, 01:54 PM Posted to rec.bicycles.tech
Replies: 165
Views: 954
Posted By Rolf Mantel[_2_]
Protecting yourself

Am 06.06.2019 um 14:14 schrieb Duane:

You can listen or talk on a radio without looking at it.* Same with a
phone.** Especially if you have some hands free device as most cars do
...
Forum: Techniques June 5th 19, 08:10 AM Posted to rec.bicycles.tech
Replies: 171
Views: 1,028
Posted By Rolf Mantel[_2_]
Bicycle statistics

Am 04.06.2019 um 16:32 schrieb Radey Shouman:
writes:

On 6/3/2019 1:23 PM, Radey Shouman wrote:

The trend in all motor vehicle fatalities over the past...
Forum: Techniques May 20th 19, 08:18 AM Posted to rec.bicycles.tech
Replies: 24
Views: 368
Posted By Rolf Mantel[_2_]
3D Zebra Crosswalk To Slow Down Speeding Cars

Am 17.05.2019 um 19:26 schrieb Jeff Liebermann:
This protected bike lane?
...
Forum: Techniques May 17th 19, 08:10 AM Posted to rec.bicycles.tech
Replies: 24
Views: 368
Posted By Rolf Mantel[_2_]
3D Zebra Crosswalk To Slow Down Speeding Cars

Am 17.05.2019 um 06:07 schrieb Jeff Liebermann:

"Velvet rope crosswalk in Montreal, Canada"
https://800016.xyz/files/funzug/imgs/creativity/3d_zebra_crossings_03.jpg
Maybe that will work on...
Forum: Techniques May 10th 19, 12:57 PM Posted to rec.bicycles.tech
Replies: 114
Views: 631
Posted By Rolf Mantel[_2_]
Ineffective Cycling

Am 10.05.2019 um 13:01 schrieb Sepp Ruf:
3) higher traffic speed means the speed difference between cars and you
is higher, and thus the "primary" position carries more risks.
More risks,...
Forum: Techniques May 10th 19, 08:43 AM Posted to rec.bicycles.tech
Replies: 114
Views: 631
Posted By Rolf Mantel[_2_]
Ineffective Cycling

Am 09.05.2019 um 14:35 schrieb Duane:
What I object to is telling me that my "primary" position should be one
that puts me in the middle of the lane.* Maybe the term "primary" has
some...
Forum: Techniques May 10th 19, 08:13 AM Posted to rec.bicycles.tech
Replies: 114
Views: 631
Posted By Rolf Mantel[_2_]
Ineffective Cycling

Am 10.05.2019 um 05:31 schrieb John B.:
Look again, you must have missed it
https://coconuts.co/bangkok/news/thai-roads-deadliest-planet-world-atlas/
Look at the overpass, there is a shoulder,...
Forum: Techniques May 9th 19, 12:31 PM Posted to rec.bicycles.tech
Replies: 114
Views: 631
Posted By Rolf Mantel[_2_]
Ineffective Cycling

Am 09.05.2019 um 12:23 schrieb Duane:
No I think he’s defining ME as incompetent because I don’t need a book that
instructs me to break the law, asserting my primary position should be dead
...
Forum: Techniques May 8th 19, 09:04 AM Posted to rec.bicycles.tech
Replies: 460
Views: 2,893
Posted By Rolf Mantel[_2_]
IQ-X vs Edelux II

Am 08.05.2019 um 00:58 schrieb James:
I rarely complain about close calls.* On the road I mentioned above with
no shoulder, that is similar to the one in the video, I recall hearing a
horn...
Forum: Techniques May 8th 19, 08:48 AM Posted to rec.bicycles.tech
Replies: 460
Views: 2,893
Posted By Rolf Mantel[_2_]
IQ-X vs Edelux II

Am 08.05.2019 um 00:58 schrieb James:

Along another road that has as much traffic but no shoulder, despite
riding in lane, I've had numerous close calls and feel far less
...
Forum: Techniques May 8th 19, 08:42 AM Posted to rec.bicycles.tech
Replies: 460
Views: 2,893
Posted By Rolf Mantel[_2_]
IQ-X vs Edelux II

Am 07.05.2019 um 17:55 schrieb Sepp Ruf:
Along another road that has as much traffic but no shoulder, despite
riding in lane, I've had numerous close calls and feel far less comfortable.
In...
Forum: Techniques May 6th 19, 09:01 AM Posted to rec.bicycles.tech
Replies: 460
Views: 2,893
Posted By Rolf Mantel[_2_]
IQ-X vs Edelux II

Am 06.05.2019 um 00:38 schrieb John B.:
I'll again recommend_Cyclecraft_ by John Franklin. Anyone who is really
into cycling should have read it long ago.

Why? Does he know some secret...
Forum: Techniques May 6th 19, 08:57 AM Posted to rec.bicycles.tech
Replies: 460
Views: 2,893
Posted By Rolf Mantel[_2_]
IQ-X vs Edelux II

Am 04.05.2019 um 01:02 schrieb John B.:
There's a right way and a wrong way to take the lane. Merges to the left
have to be done carefully. Want details?

Ah, but they didn't merge to the...
Forum: Techniques May 3rd 19, 08:56 AM Posted to rec.bicycles.tech
Replies: 460
Views: 2,893
Posted By Rolf Mantel[_2_]
IQ-X vs Edelux II

Am 03.05.2019 um 01:13 schrieb Frank Krygowski:
On 5/2/2019 5:34 PM, Radey Shouman wrote:
Rolf Mantel writes:

Am 02.05.2019 um 17:19 schrieb Radey Shouman:
...
Forum: Techniques May 2nd 19, 05:03 PM Posted to rec.bicycles.tech
Replies: 460
Views: 2,893
Posted By Rolf Mantel[_2_]
IQ-X vs Edelux II

Am 02.05.2019 um 17:19 schrieb Radey Shouman:
That ratio seems small to me, unless bike commuting in heavy traffic.

For transportation I typically walk somewhere between 3 and 3.5 mph, or
...
Forum: Techniques May 2nd 19, 03:33 PM Posted to rec.bicycles.tech
Replies: 460
Views: 2,893
Posted By Rolf Mantel[_2_]
IQ-X vs Edelux II

Am 02.05.2019 um 15:36 schrieb Ralph Barone:
Rolf Mantel wrote:

Given the numbers above, you need to ask: is the average speed on a
bicycle 3 1/2 times as fast as the...
Forum: Techniques May 2nd 19, 11:41 AM Posted to rec.bicycles.tech
Replies: 26
Views: 341
Posted By Rolf Mantel[_2_]
Cyclists are putting red cups in the road to show how driversoften invade bike lanes

Am 30.04.2019 um 01:19 schrieb John B.:
I can't comment on Paris but here, and I suspect in other countries as
well, the law says that "thou shall not impede other traffic".

The law in most...
Forum: Techniques May 2nd 19, 11:34 AM Posted to rec.bicycles.tech
Replies: 460
Views: 2,893
Posted By Rolf Mantel[_2_]
IQ-X vs Edelux II

Am 30.04.2019 um 18:12 schrieb Frank Krygowski:

Correct, _some_ facilities will bring out the cyclists. But taking that
further, of the ones that succeed, which type of cyclists will they
...
Showing results 1 to 25 of 70

 
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