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Search: Posts Made By: ofajen
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09-26-22, 06:27 AM
Replies: 45
Views: 1,095
Posted By ofajen

Sigh. This place is becoming tiresome. ...

Sigh. This place is becoming tiresome.

Otto
09-25-22, 08:56 PM
Replies: 32
Views: 723
Posted By ofajen

At a minimum, the muscles of your feet will...

At a minimum, the muscles of your feet will probably need to develop some strength they lack. With flexible running shoes and platform pedals, there is an exertion required in the muscles of the...
09-23-22, 08:14 PM
Replies: 45
Views: 1,095
Posted By ofajen

Sure, but skinned knees and elbows from a tumble...

Sure, but skinned knees and elbows from a tumble off a bike riding no hands at 15 mph is not quite like tumbling headlong off a skateboard platform at 50 mph when the inevitable unexpected happens. ...
09-22-22, 09:15 PM
Replies: 17
Views: 833
Posted By ofajen

With a coherent signal, you can listen down into...

With a coherent signal, you can listen down into the the noise about 15 dB, and we may be about to that point.

Otto
09-21-22, 03:53 PM
Replies: 16
Views: 368
Posted By ofajen

You canít assume it will stretch. I ran a set of...

You canít assume it will stretch. I ran a set of Compass (now Rene Herse) 26ers and they were horrible to take on and off through their full lifetime of many thousands of miles. Still a pain when I...
09-21-22, 03:51 PM
Replies: 27
Views: 2,468
Posted By ofajen

Somewhere on the Rivbike website is an old photo...

Somewhere on the Rivbike website is an old photo showing a cyclist descending a hill whilst dragging a tree branch as a brake. Probably preferable to dragging a foot in some situations.

Otto
09-19-22, 08:36 PM
Replies: 166
Views: 22,709
Posted By ofajen

For most of the last six years Iíd say about six...

For most of the last six years Iíd say about six hours per week for about 48 weeks each year. There are an average of four weeks (usually called February) when our trails are ice covered and I donít...
09-19-22, 07:27 PM
Replies: 52
Views: 1,167
Posted By ofajen

Good point. And if you can also avoid putting a...

Good point. And if you can also avoid putting a lot of pressure on the portions of the palm directly over the main nerves, so much the better.

Otto
09-18-22, 08:46 AM
Replies: 89
Views: 1,882
Posted By ofajen

I had a scary event a week ago, though less...

I had a scary event a week ago, though less personal. A car sped through a red light well after the light change and at well over the 50 mph speed limit as I was about to enter the intersection. I...
09-17-22, 08:43 PM
Replies: 52
Views: 1,167
Posted By ofajen

I have to laugh at myself. Iím sure Iíve posted...

I have to laugh at myself. Iím sure Iíve posted similar opinions here in recent years.

And yet, Iíve tried several bar options this summer, and both of my bikes now sport ordinary straight bars...
09-05-22, 01:02 PM
Replies: 14
Views: 437
Posted By ofajen

Itís definitely more work to pedal faster, but it...

Itís definitely more work to pedal faster, but it lowers the force and required pedal strength.

The internal power requirement of pedaling is an increasing function of cadence and the published...
09-05-22, 09:27 AM
Replies: 20
Views: 988
Posted By ofajen

Nice post! Iím also a fan of trying stuff out to...

Nice post! Iím also a fan of trying stuff out to see what works for you.

I switched to flat pedals about six years ago when my kids started to ride more after decades of riding clipped in in some...
09-04-22, 04:46 PM
Replies: 41
Views: 1,482
Posted By ofajen

Perhaps more disturbing is that the average...

Perhaps more disturbing is that the average velocity for many outdoor bikes is also zero.

Otto
09-04-22, 09:15 AM
Replies: 14
Views: 437
Posted By ofajen

The rear axle will shift back 1/4Ē if you reduce...

The rear axle will shift back 1/4Ē if you reduce the total tooth count by two. Is there room for that?

If that would be an issue, another option might be a 42 chainring and 16 tooth cog which is...
09-02-22, 07:31 AM
Replies: 47
Views: 826
Posted By ofajen

ďBikeĒ is a fluid and evolving concept in my...

ďBikeĒ is a fluid and evolving concept in my world. When it comes to frames, Iíve owned five since I bought my first one in 1975, three of which I have:

1) Azuki 23Ē road frame bought as a new...
08-31-22, 07:57 PM
Replies: 66
Views: 1,426
Posted By ofajen

Personally, I wouldnít worry. Iíve had great...

Personally, I wouldnít worry. Iíve had great service in recent years from Continental tires made in Germany, India and China and I donít have any qualms about buying any of them again.

Otto
08-27-22, 09:16 PM
Replies: 107
Views: 2,480
Posted By ofajen

Itís my goal to avoid the frustration of...

Itís my goal to avoid the frustration of answering questions about bike maintenance.

Otto
08-27-22, 10:46 AM
Replies: 562
Views: 12,377
Posted By ofajen

It always goes so well here in threads about...

It always goes so well here in threads about money and what things cost. 👍

Otto
08-23-22, 07:28 AM
Replies: 445
Views: 8,595
Posted By ofajen

I took a nice walk last night, but I forgot the...

I took a nice walk last night, but I forgot the bike.

Otto
08-22-22, 12:57 PM
Replies: 445
Views: 8,595
Posted By ofajen

Good call. I recall my equipment for a 50 mile...

Good call. I recall my equipment for a 50 mile ride on rural highways back in the 70s was a spare tubular, glue, a Silca pump (as much to ward off dogs as inflate tires) and maybe a bagel tucked...
08-17-22, 09:46 AM
Replies: 23
Views: 455
Posted By ofajen

Also my experience. I have one of those late 80s...

Also my experience. I have one of those late 80s MTBs with a rear U-brake. I have used it both with vintage road levers and with standard flat bar levers and it works properly with those levers...
08-16-22, 07:40 AM
Replies: 37
Views: 976
Posted By ofajen

If the kickstand doesnít completely block that...

If the kickstand doesnít completely block that space, you could just run a bit of cable housing from that housing stop on the lower downtube and under the BB and just long enough to keep the cable...
08-12-22, 09:52 AM
Replies: 112
Views: 2,750
Posted By ofajen

Yeah, Iím thinking Iíd want my MTB tires on those...

Yeah, Iím thinking Iíd want my MTB tires on those cobbles, and an MTB triple with a 22 in front and at least a 32 in back would be handy. Better a 36. Either that or Iím going to consider it more...
08-12-22, 09:46 AM
Replies: 112
Views: 2,750
Posted By ofajen

In a sense, single speed makes things easier and...

In a sense, single speed makes things easier and simpler. If Iím on a route with a steep hill or two, like 25% or 30%, I know I will just get off and walk or jog up that portion. With platform...
08-11-22, 03:34 PM
Replies: 63
Views: 1,651
Posted By ofajen

Yeah, they are out of fashion as new bikes, but...

Yeah, they are out of fashion as new bikes, but everywhere I go, I see a lot of them still in service.

Otto
08-10-22, 04:59 PM
Replies: 21
Views: 467
Posted By ofajen

You could also put a clamp-on housing stop a few...

You could also put a clamp-on housing stop a few inches up the downtube from the BB and run the cable through the stop and then through a short piece of cable housing that is long enough to run under...
08-10-22, 02:02 PM
Replies: 95
Views: 2,600
Posted By ofajen

I spend a lot of time out of the saddle,...

I spend a lot of time out of the saddle, particularly over anything rough, so arms and legs are the suspension. To my mind, suspension is for single track. YMMV.

Otto
08-10-22, 11:49 AM
Replies: 27
Views: 591
Posted By ofajen

Indeed, thatís way too big. An 18 should...

Indeed, thatís way too big. An 18 should suffice. 😀

Otto
08-10-22, 09:26 AM
Replies: 112
Views: 2,750
Posted By ofajen

Our town has the edge of glaciation just to the...

Our town has the edge of glaciation just to the north and a major river to the west and south with a bit over 200 feet of elevation difference. So there are flat places and also lots of hills where...
08-07-22, 06:42 PM
Replies: 1,391
Views: 45,109
Posted By ofajen

I have a friend who uses the Swytchbike system on...

I have a friend who uses the Swytchbike system on her commuting bike, and she loves it.

Sorry, my memory was off regarding weight. The heavier hub in the replacement front wheel and the control...
08-07-22, 06:37 PM
Replies: 54
Views: 1,370
Posted By ofajen

I generally yell at them (squirrels) with the...

I generally yell at them (squirrels) with the thought that it skews the center point of their random walk away from me. Iíve run over a couple but have been lucky enough so far to not have one get...
08-04-22, 05:45 PM
Replies: 63
Views: 1,651
Posted By ofajen

Currently, Continental still makes the Black...

Currently, Continental still makes the Black Chili versions of Race King and Speed King in 26Ē. I will be disappointed but not surprised when the time comes that those tires arenít available in that...
08-04-22, 04:52 PM
Replies: 1,391
Views: 45,109
Posted By ofajen

That has not been my experience. Insoles help...

That has not been my experience. Insoles help better distribute the forces and avoid pressure points and the energy dissipated in compression of shoe insoles will almost surely be minuscule and...
08-04-22, 12:38 PM
Replies: 34
Views: 1,175
Posted By ofajen

Itís always been my preference to pull one or...

Itís always been my preference to pull one or both wheels and keep the bike in the back of the vehicle.

Otto
08-04-22, 06:44 AM
Replies: 19
Views: 993
Posted By ofajen

Perhaps itís bike fitter satire? Otto

Perhaps itís bike fitter satire?

Otto
08-03-22, 04:27 PM
Replies: 1,391
Views: 45,109
Posted By ofajen

Also, a bike made just for standing but with...

Also, a bike made just for standing but with circular crank motion, like the Elliptigo SUB, will have shorter cranks, like say 150mm. That gives a reasonable ďstep sizeĒ of about 300mm or 12 in. ...
08-03-22, 11:17 AM
Replies: 1,391
Views: 45,109
Posted By ofajen

Downhill wasnít that bad. I was riding single...

Downhill wasnít that bad. I was riding single speed not fixed gear, so I could coast.

Standing while riding fixed gear down hills would be a very bad idea. OTOH, I suspect fixed gear would be...
08-03-22, 08:24 AM
Replies: 1,391
Views: 45,109
Posted By ofajen

Hah! Well, riding single speed on hills can be...

Hah! Well, riding single speed on hills can be brutal. Ride that way for a couple of years and you will probably worry a lot less about all these details.

The frustrating part when I had to only...
08-03-22, 07:49 AM
Replies: 1,391
Views: 45,109
Posted By ofajen

A year ago, I had enough saddle discomfort that I...

A year ago, I had enough saddle discomfort that I spent a week riding out of the saddle, with three rides of between 60 to 90 minutes. Both bikes were single speed and running touring bars at the...
08-02-22, 04:22 PM
Replies: 1,391
Views: 45,109
Posted By ofajen

Using classic touring bars with reasonable bar...

Using classic touring bars with reasonable bar height slightly above saddle height makes standing more sustainable, but there may also be a comfort and sustainability advantage to the elliptical...
Forum: Road Cycling
07-30-22, 11:24 AM
Replies: 95
Views: 2,810
Posted By ofajen

Whoa! Weíre never gonna find that one. It went...

Whoa! Weíre never gonna find that one. It went way outta the park! 👍

Otto
07-29-22, 02:40 PM
Replies: 108
Views: 2,996
Posted By ofajen

Of course. Iím just pointing out that it...

Of course. Iím just pointing out that it shouldnít be a surprise if a casual rider struggles up very steep hills, even in the lowest gear on the bike. Staying upright on the bike will require more...
07-29-22, 12:45 PM
Replies: 108
Views: 2,996
Posted By ofajen

If you are used to riding on the flats at a...

If you are used to riding on the flats at a leisurely 12 mph and say 50 or 60 watts, then you likely wonít have a low enough gear to let you climb a 13% grade at the 1 mph that would let you pedal a...
07-28-22, 10:38 AM
Replies: 22
Views: 668
Posted By ofajen

Interesting. Kapton tape does come in 5/8Ē width...

Interesting. Kapton tape does come in 5/8Ē width which is approximately the 16mm width of Velox tape that Iíve used on my old road rims. Probably worth trying. I have quite a challenge mounting...
07-27-22, 07:52 PM
Replies: 108
Views: 2,996
Posted By ofajen

It looks like he meant to say ďcalorie/hrĒ, and...

It looks like he meant to say ďcalorie/hrĒ, and he just left off the ď/hrď in the places you mention.

Otto
07-27-22, 02:56 PM
Replies: 108
Views: 2,996
Posted By ofajen

Using the watts formula from KerryIrons, I looked...

Using the watts formula from KerryIrons, I looked at what speed 200 watts buys me at various inclines and made some assumptions and approximations, like, no wind, total weight 200 lbs, rolling...
07-27-22, 10:38 AM
Replies: 108
Views: 2,996
Posted By ofajen

Oh yeah. I mostly ride our trails and they are...

Oh yeah. I mostly ride our trails and they are sheltered by trees in most places. In the warm part of the year, the leaves knock the wind down a good bit in many places.

In the winter, nearly...
07-26-22, 01:45 PM
Replies: 78
Views: 3,345
Posted By ofajen

This seems to work for me, too, and is about what...

This seems to work for me, too, and is about what I do. I donít have the willpower to do intentional HIIT on a bike, but for most of the last two years I rode only single speed, and I kinda still do,...
07-26-22, 08:35 AM
Replies: 1,391
Views: 45,109
Posted By ofajen

To follow AlgarveCyclingís point, this major...

To follow AlgarveCyclingís point, this major study from last year shows the importance of exercise generally over weight loss:

https://www.cell.com/iscience/fulltext/S2589-0042(21)00963-9

From...
07-26-22, 08:10 AM
Replies: 35
Views: 1,354
Posted By ofajen

Continental Ultra Sport III is also made in 27 x...

Continental Ultra Sport III is also made in 27 x 1 1/4Ē.

Otto
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