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Search: Posts Made By: Teemu Kalvas
Showing results 1 to 50 of 69
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01-24-11, 11:31 AM
Replies: 43
Views: 13,770
Posted By Teemu Kalvas

Pugsley is by far the most versatile winter bike,...

Pugsley is by far the most versatile winter bike, so whenever you're not quite sure what exactly you'll be riding on, it's the correct choice. If you KNOW you are going to be dealing mostly with bare...
01-08-11, 11:05 AM
Replies: 23
Views: 1,454
Posted By Teemu Kalvas

Nokian Freddies Revenzes and WXC300s use MTB...

Nokian Freddies Revenzes and WXC300s use MTB studs which have better traction on ice, but wear down on hard surfaces faster, than the road studs used on pretty much all their other tyres.
03-21-10, 06:14 AM
Replies: 9
Views: 1,438
Posted By Teemu Kalvas

Sometimes there are shifting aids on front rings,...

Sometimes there are shifting aids on front rings, but they don't quite look the same as the sharkfin pattern you have at least on the big ring. But there's certainly nothing wrong with the crank,...
03-19-10, 02:57 AM
Replies: 29
Views: 6,112
Posted By Teemu Kalvas

I did that once. Except I biked first, then swam...

I did that once. Except I biked first, then swam when the ice broke, and couldn't run as the ice was so slippery I could only walk. Great sport!
03-18-10, 01:59 AM
Replies: 68
Views: 5,797
Posted By Teemu Kalvas

Still waiting for the winter to show signs of...

Still waiting for the winter to show signs of ending. (Here (http://www.s2.org/~chery/images/pysakointia.jpg)'s a view out of my office window.)

Of the changes instituted this winter, 26" tires on...
02-23-10, 01:25 AM
Replies: 16
Views: 953
Posted By Teemu Kalvas

It depends more on the constitution of the snow...

It depends more on the constitution of the snow and the temperature of the ground below it. On warm ground and fresh snow, a narrow tyre will reach the ground even through a foot of snow. When the...
02-20-10, 02:18 PM
Replies: 29
Views: 1,777
Posted By Teemu Kalvas

If you have some bare pavement to spare, could...

If you have some bare pavement to spare, could you send some this way. We're apparently getting four inches more tonight - on top of the 30 or so already on the ground.
02-16-10, 07:40 AM
Replies: 46
Views: 1,684
Posted By Teemu Kalvas

Yeah, I'll try to remember to test this too, when...

Yeah, I'll try to remember to test this too, when the situation permits. It's probably going to be 4 to 6 weeks to when the snow goes.
02-14-10, 04:08 AM
Replies: 19
Views: 917
Posted By Teemu Kalvas

Well, dropping a chain on even a braked fixed...

Well, dropping a chain on even a braked fixed gear will probably lock up the wheel in a couple of milliseconds, even if the chain is dropped in the front. Probably more than annoying, but not...
02-14-10, 04:00 AM
Replies: 32
Views: 1,536
Posted By Teemu Kalvas

Full radial is not actually very much weaker...

Full radial is not actually very much weaker side-to-side, but it's not torsionally stiff, so it can't be used on a driving wheel, or a hub braked wheel.
02-14-10, 03:56 AM
Replies: 46
Views: 1,684
Posted By Teemu Kalvas

Yeah, well, my commute is about a third of that,...

Yeah, well, my commute is about a third of that, and additionally the typical snow situation means that the 30 minute (summer) trip will take 50 minutes on any tires whatsoever in the winter. So...
02-13-10, 03:17 PM
Replies: 46
Views: 1,684
Posted By Teemu Kalvas

I don't understand all this studded tire...

I don't understand all this studded tire avoidance in the winter either. The only cases I'm riding studless in winter is either in a cyclocross race, where I have some point in saving the two...
02-12-10, 04:51 AM
Replies: 12
Views: 901
Posted By Teemu Kalvas

The measurement the tool wants is more likely to...

The measurement the tool wants is more likely to be the flange diameter, i.e. twice what you entered. That'll change the values a lot.

5 mm steps sounds too much. 2 mm steps is usual, even though...
02-11-10, 06:12 AM
Replies: 37
Views: 11,069
Posted By Teemu Kalvas

Michelin latex tubes seem to have a slightly...

Michelin latex tubes seem to have a slightly larger interpretation of the Presta valve width than other Presta stems. They are also smooth, not threaded. I've never had to widen a valve hole in any...
01-22-10, 11:53 AM
Replies: 33
Views: 1,487
Posted By Teemu Kalvas

I've fixed a couple of those by opening them and...

I've fixed a couple of those by opening them and flushing the joint which is sticking with degreaser and regreasing it with light oil.
01-21-10, 04:08 AM
Replies: 33
Views: 1,487
Posted By Teemu Kalvas

It's usually a good idea to leave the bike in a...

It's usually a good idea to leave the bike in a gear you can live with as a single speed gear when parking outside in the winter. This way you suffer less if it happens to freeze. The cable freezing...
01-10-10, 07:54 AM
Replies: 29
Views: 1,957
Posted By Teemu Kalvas

A "normal" grease doubles in viscosity for every...

A "normal" grease doubles in viscosity for every 17 C / 30 F temperature drop. There are special tricks in motor oils which make the temperature dependence less, but that also makes them expensive.
01-04-10, 04:05 AM
Replies: 9
Views: 718
Posted By Teemu Kalvas

I try to avoid sweating in the winter even harder...

I try to avoid sweating in the winter even harder than in other seasons. If I sweat whet it's well below freezing and then for some reason pedal slower, I'll end up really cold when the sweat...
01-02-10, 10:39 AM
Replies: 27
Views: 2,785
Posted By Teemu Kalvas

I find the Extremes to have way lower rolling...

I find the Extremes to have way lower rolling resistance compared to W240's, which must be the all-time worst rolling tyre Nokian ever made. Now with Extremes existing in 622, there is little reason...
11-16-09, 03:30 AM
Replies: 1,384
Views: 523,855
Posted By Teemu Kalvas

Yeah, it's true that in a race people go to the...

Yeah, it's true that in a race people go to the extra trouble of selecting best tires for that particular course at that particular time. It was cold and dry enough that no one saw any point in...
11-15-09, 09:09 AM
Replies: 1,384
Views: 523,855
Posted By Teemu Kalvas

Some of these...

Some of these (http://sivut.koti.tpo.fi/%7Enoodz/cx141109/) shots from yesterday's "race" are pretty good. Photography not by me, I'm just riding in numbers 17 and 36. Stud advocates will note the...
10-05-09, 07:42 AM
Replies: 36
Views: 8,932
Posted By Teemu Kalvas

I've ridden thousands of [units of choice] in...

I've ridden thousands of [units of choice] in midwinter with a recumbent. Granted, they tend to get into trouble more easily than an upright selected with winter riding in mind, but it's by no means...
09-23-09, 02:20 AM
Replies: 37
Views: 22,341
Posted By Teemu Kalvas

Like Sheldon says below the chart: "This chart...

Like Sheldon says below the chart: "This chart may err a bit on the side of caution. Many cyclists exceed the recommended widths with no problem."

It depends on the inflation pressure, really. If...
09-23-09, 02:16 AM
Replies: 34
Views: 16,049
Posted By Teemu Kalvas

I've got a range of hats which all cover the ears...

I've got a range of hats which all cover the ears and fit under the helmet. On a bike the ears are pretty much the first bit of your head to get cold.
09-21-09, 05:43 AM
Replies: 18
Views: 1,504
Posted By Teemu Kalvas

They are a safety measure: they keep you from...

They are a safety measure: they keep you from riding dangerously fast.
09-19-09, 07:13 AM
Replies: 18
Views: 1,504
Posted By Teemu Kalvas

Schwalbe Marathon Winter is manufactured in size...

Schwalbe Marathon Winter is manufactured in size 406. It works pretty well in simple conditions like frozen roads, but is not too great in a lot of wet slush. I have no clue how one would proceed in...
09-19-09, 06:13 AM
Replies: 9
Views: 1,132
Posted By Teemu Kalvas

Some plastic parts used in bikes become brittle...

Some plastic parts used in bikes become brittle at around -30 to -35 C. If you bump them on something then, they might break. This is the highest temperature at which anything permanent can happen to...
09-03-09, 05:42 AM
Replies: 28
Views: 2,727
Posted By Teemu Kalvas

If you don't know whether someone's cut the post...

If you don't know whether someone's cut the post at some time, you should not have insertion less than 2.7 times the diameter of the post. Also, the bottom of the post must always be below the top...
04-28-09, 03:50 AM
Replies: 6
Views: 2,743
Posted By Teemu Kalvas

I have a pair of Endura knee warmers which are...

I have a pair of Endura knee warmers which are not just a simple tube but are made from three separate pieces of fabric and are actually shaped like a human leg. They are also not as stretchy as your...
04-12-09, 12:57 AM
Replies: 35
Views: 4,387
Posted By Teemu Kalvas

I've managed to destroy two Stelvios (on separate...

I've managed to destroy two Stelvios (on separate occasions) by riding over a pothole. They both broke in the same way: looking from the inside, the threads have been separated from each other at...
03-28-09, 02:54 AM
Replies: 33
Views: 23,622
Posted By Teemu Kalvas

Well, 1967.

Well, 1967.
03-27-09, 02:09 AM
Replies: 11
Views: 2,006
Posted By Teemu Kalvas

You must be using steel rail Brookses. Titanium...

You must be using steel rail Brookses. Titanium rails are significantly - as in several times over - less good at moving heat away.
03-26-09, 06:51 AM
Replies: 11
Views: 2,006
Posted By Teemu Kalvas

I have never had any problems. If anything,...

I have never had any problems. If anything, Brookses are less cold to the butt compared to some Selle Italia carbon fibre marvels I also have. I don't think we've had sub-0-F in years, though. Close,...
03-18-09, 02:13 PM
Replies: 33
Views: 2,096
Posted By Teemu Kalvas

But it'll take twice as long.

But it'll take twice as long.
03-01-09, 04:05 AM
Replies: 15
Views: 944
Posted By Teemu Kalvas

You can clean a bike? :eek: You must be...

You can clean a bike? :eek:

You must be doing something wrong, if it matters whether the chain is dirty or not when changing the rear wheel. In wet climates, it will be dirty anyway, no matter...
02-23-09, 01:58 PM
Replies: 26
Views: 2,084
Posted By Teemu Kalvas

On further reading, it becomes obvious why it...

On further reading, it becomes obvious why it takes so much time for many dressers. If it's 10 F, I wear wool socks and Sorel Glaciers. Time to put on the footwear: 10 seconds. If you have twelve...
02-22-09, 02:25 AM
Replies: 26
Views: 2,084
Posted By Teemu Kalvas

Adjust your expectations so that the time it...

Adjust your expectations so that the time it takes you to dress is no longer long.
02-09-09, 01:16 PM
Replies: 42
Views: 4,904
Posted By Teemu Kalvas

The bike is not lost. It's just in storage. On...

The bike is not lost. It's just in storage. On the seafloor. But I know exactly where.
02-07-09, 10:49 AM
Replies: 42
Views: 4,904
Posted By Teemu Kalvas

You should have been on the ice here in Helsinki...

You should have been on the ice here in Helsinki in the beginning of January. It was impossible to walk on it at all. I was riding on it with W240s at both ends, and the speed maxed out around 50...
01-28-09, 02:02 AM
Replies: 35
Views: 3,883
Posted By Teemu Kalvas

Most people living north of 60 N.

Most people living north of 60 N.
01-25-09, 08:43 AM
Replies: 9
Views: 1,121
Posted By Teemu Kalvas

Well, neither would I, would I happen to be...

Well, neither would I, would I happen to be riding somewhere in England. Furthermore, this wasn't a lake, this was the ocean. :p

Back in the war either us or the Russians drove a battallion of...
01-25-09, 07:20 AM
Replies: 14
Views: 808
Posted By Teemu Kalvas

It'd be nice if you could, but it's not made in...

It'd be nice if you could, but it's not made in 10 speed.
01-25-09, 06:50 AM
Replies: 9
Views: 1,121
Posted By Teemu Kalvas

When you do that, it's often warmer to run to...

When you do that, it's often warmer to run to safety, not ride, because you won't get so much windchill.

On January 5th this year I had no choice, as it was about 4 metres deep where I went...
01-20-09, 04:12 AM
Replies: 19
Views: 1,927
Posted By Teemu Kalvas

Slushy snow with sand will be hard on rim brakes...

Slushy snow with sand will be hard on rim brakes and chains. Chains are cheap and I use disc brakes. Other parts last years.
01-19-09, 12:48 PM
Replies: 80
Views: 12,998
Posted By Teemu Kalvas

I've ridden in colder temperatures that I would...

I've ridden in colder temperatures that I would dream of taking public transportation on, and given that I've mostly not owned a car, and now have a car which won't start, it's either bike or not go...
01-18-09, 07:14 AM
Replies: 8
Views: 1,002
Posted By Teemu Kalvas

Now that Surly has their external bearing crank...

Now that Surly has their external bearing crank (called Mr. Whirly) out, they will recommend that for Pugsleys, as Mr. Whirly comes in all sorts of axle lengths, including 100 mm.

I thought Phil...
01-17-09, 09:23 AM
Replies: 8
Views: 1,002
Posted By Teemu Kalvas

Sounds like a Pugsley, 100 mm bb shell and a...

Sounds like a Pugsley, 100 mm bb shell and a recommendation of 145 of axle.

I've used FSA Platinum DH ISIS bottom brackets on Pugsleys. They are not exactly light weight, but they sure are sturdy.
01-17-09, 02:35 AM
Replies: 10
Views: 1,310
Posted By Teemu Kalvas

Studs work marvellously on hardpack. Good tread...

Studs work marvellously on hardpack. Good tread works pretty well in small amounts (an inch or so) of loose snow of any kind. 3,7 inch Endomorphs are the only tire which works at all in deep powder...
01-15-09, 05:27 AM
Replies: 89
Views: 4,437
Posted By Teemu Kalvas

There's some snow in Lapland and in the winter...

There's some snow in Lapland and in the winter tourist-y places, but the bottom third of the country is snowless. Here's a current map (http://www.fmi.fi/img/saa/Lumikartta.gif).
01-14-09, 07:58 AM
Replies: 89
Views: 4,437
Posted By Teemu Kalvas

You've stolen our winter. I'll start blaming...

You've stolen our winter. I'll start blaming Canada right away!

(No snow, above freezing. In the middle of January. Not. Typical.)
Showing results 1 to 50 of 69
 


 
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