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Search: Posts Made By: ofajen
Showing results 1 to 50 of 84
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09-22-20, 08:16 AM
Replies: 313
Views: 46,519
Posted By ofajen

The 88 RockHopper is now back to aero levers and...

The 88 RockHopper is now back to aero levers and also got new bar tape.

...
09-22-20, 07:27 AM
Replies: 178
Views: 3,987
Posted By ofajen

Thanks for that! Otto

Thanks for that!

Otto
09-21-20, 03:53 PM
Replies: 26
Views: 1,160
Posted By ofajen

That should only matter with regard to skid...

That should only matter with regard to skid patches on fixed gear if you do that sort of thing. 48/17 would spread wear among 17 skid patches while 48/18 would only create three patches. So you would...
09-21-20, 01:33 PM
Replies: 178
Views: 3,987
Posted By ofajen

Thatís the conundrum, isnít it? Iím enough of a...

Thatís the conundrum, isnít it? Iím enough of a retrogrouch to ride basic steel frame bikes and to get where heís coming from about half of the time. But Iím also into doing my own bike stuff, and I...
09-20-20, 09:32 PM
Replies: 5
Views: 174
Posted By ofajen

Success w/alternative cotton bar tape

If youíve ever wondered what a 72 yard roll of 3/4Ē wide cotton twill tape looks like, here you go...

...
09-13-20, 07:47 PM
Replies: 72
Views: 5,702
Posted By ofajen

We had really nice autumn weather today. I did 60...

We had really nice autumn weather today. I did 60 miles today in two outings, mostly just because I wanted to be out and about in the nice weather. 😊

I think itís been about 40 years since Iíve...
09-13-20, 07:15 AM
Replies: 194
Views: 5,385
Posted By ofajen

I believe our Katy Trail state park is now 239...

I believe our Katy Trail state park is now 239 miles. I think there is a ď239Ē sticker for those who ride it in a day. My older son had a soccer teammate who did that a couple of years ago.

Otto
09-12-20, 04:16 PM
Replies: 45
Views: 1,216
Posted By ofajen

So it wonít make a mysterious creaking noise when...

So it wonít make a mysterious creaking noise when you are pedaling out of the saddle.

Otto
09-09-20, 07:06 PM
Replies: 12
Views: 409
Posted By ofajen

Change the setting under User Control Panel ->...

Change the setting under User Control Panel -> Edit Options -> Default Thread Subscription Mode to No Notifications.
09-07-20, 09:47 AM
Replies: 23
Views: 517
Posted By ofajen

Install Continental Contact Speed 26x2.0 or...

Install Continental Contact Speed 26x2.0 or better Rene Herse Rat Trap Pass and you will think you have a completely new bike.

Otto
09-06-20, 07:10 PM
Replies: 16
Views: 417
Posted By ofajen

Back in the day, I learned the art of throwing...

Back in the day, I learned the art of throwing away flatted tubulars. 😊

Otto
09-06-20, 07:17 AM
Replies: 28
Views: 1,026
Posted By ofajen

Having experimented recently with drop bars,...

Having experimented recently with drop bars, trekking bars (of a sort) and upright bars (Albatross shape), one observation I have is a caution for those who still ride at speed regarding braking with...
09-05-20, 08:42 PM
Replies: 26
Views: 1,160
Posted By ofajen

I have a P bass with flats and a Q-filter!...

I have a P bass with flats and a Q-filter! Awesome! And a Ripper, which is a whole different kind of awesome. 😎

Oh, and both bikes have 42/16, which is 71 on 700C and 68 on 26Ē.

Otto
09-03-20, 12:09 PM
Replies: 76
Views: 2,699
Posted By ofajen

Yeah, Iíve changed my mind. This could be the...

Yeah, Iíve changed my mind. This could be the geared bike. Downtube shifter, 42 in front, five cogs 14-24 in back and my old Cyclone RD. With a freehub you can do most whatever you want.

And I...
08-31-20, 06:52 PM
Replies: 31
Views: 643
Posted By ofajen

This is probably in my future. I have an Ď85...

This is probably in my future. I have an Ď85 Sprint (actual bottom of the Schwinn road bike line!) that has more rust than around lugs than this World Sport. Still not a repaint candidate. And it...
08-31-20, 10:20 AM
Replies: 46
Views: 3,252
Posted By ofajen

There are two common chain widths: 3/32Ē (used...

There are two common chain widths: 3/32Ē (used mostly for derailleur systems) and 1/8Ē (used for single speed systems).

You can use 3/32Ē chain for single speed ONLY if both your chairing and cog...
08-31-20, 05:46 AM
Replies: 46
Views: 3,252
Posted By ofajen

53/18 = 2.944 ratio or 79.5 gear inches assuming...

53/18 = 2.944 ratio or 79.5 gear inches assuming 27Ē wheel.

47/16 = 2.9375 or 79.3125 is as close as you will come in the 40s.

Edit - if you can do 50/17, that is 2.9412 or 79.4 gear inches...
08-27-20, 02:18 PM
Replies: 58
Views: 2,075
Posted By ofajen

Our trails tend to be mostly in riparian...

Our trails tend to be mostly in riparian corridors lined with trees, but in the winter the leaves drop and so the wind really becomes much more of a factor.

Even this time of year, when I ride all...
08-27-20, 08:55 AM
Replies: 68
Views: 3,218
Posted By ofajen

Two inch tires means never having to say youíre...

Two inch tires means never having to say youíre sorry...

...
08-25-20, 10:33 AM
Replies: 6,858
Views: 2,424,426
Posted By ofajen

Iíve switched this bike back to SS and back to...

Iíve switched this bike back to SS and back to drop bars. I donít really like this new picture because the driveway isnít quite level with the door so it looks a bit odd.

Anyway itís an Ď88...
08-22-20, 07:05 PM
Replies: 120
Views: 27,044
Posted By ofajen

I know the hubs are Suntour but donít know the...

I know the hubs are Suntour but donít know the model. I do know the brakes are Superbe. I bought them new at least 40 years ago.

...
08-22-20, 04:31 PM
Replies: 263
Views: 9,297
Posted By ofajen

Putting his little boot in he'd be, bless him....

Putting his little boot in he'd be, bless him. All the kids were like that then, they didn't have their heads stuffed with all this Cartesian dualism.
08-22-20, 02:20 PM
Replies: 263
Views: 9,297
Posted By ofajen

The goal is 10 pages at least. Just because. ...

The goal is 10 pages at least. Just because.

Otto
08-21-20, 08:54 PM
Replies: 133
Views: 3,687
Posted By ofajen

There are riders, runners and walkers I see...

There are riders, runners and walkers I see almost daily all year round on our trails, and we mostly wave or say hi if we are just cruising along.

Otto
08-21-20, 07:45 PM
Replies: 10
Views: 339
Posted By ofajen

This one goes to 13!

This one goes to 13!
08-21-20, 07:28 PM
Replies: 263
Views: 9,297
Posted By ofajen

Oh, this is futile!

Oh, this is futile!
08-18-20, 10:03 AM
Replies: 130
Views: 5,961
Posted By ofajen

This isnít a ďmodernĒ-related comment, but Iím...

This isnít a ďmodernĒ-related comment, but Iím back to riding single speed again and find that having the bar tops at saddle height really helps with climbing. Also seems to put hoods at a reasonable...
08-13-20, 11:35 AM
Replies: 99
Views: 3,480
Posted By ofajen

Oatmeal with cinnamon, sugar and raisins. Also...

Oatmeal with cinnamon, sugar and raisins. Also coffee and some orange juice.

Otto
08-13-20, 07:11 AM
Replies: 6
Views: 259
Posted By ofajen

Yeah I just did this sort of thing last weekend....

Yeah I just did this sort of thing last weekend. Undished the rear wheel by roughly 6 mm to change the chainline from running a 7-speed to a single speed. A 5-speed would line up nicely now, too. OLD...
08-11-20, 02:56 PM
Replies: 313
Views: 46,519
Posted By ofajen

Ok, hereís the Schwinn Sprint dressed up as a SS....

Ok, hereís the Schwinn Sprint dressed up as a SS. I got the 16t freewheel and adjusted the chain line over the weekend, then installed the chain last night. Took a ride and it worked brilliantly! 😊...
08-09-20, 12:14 PM
Replies: 38
Views: 1,346
Posted By ofajen

I think blue shifts faster and red shifts slower....

I think blue shifts faster and red shifts slower.

Otto
08-05-20, 08:21 AM
Replies: 16
Views: 542
Posted By ofajen

Iím riding a significant portion of the time on...

Iím riding a significant portion of the time on crushed stone and hard pack, so Iím running lower pressure than those calculators indicate. About 200 lbs total and on 700x32s I run as much as 55 psi...
08-04-20, 01:25 PM
Replies: 31
Views: 2,194
Posted By ofajen

Yeah, Iíve gone back to at least one of my two...

Yeah, Iíve gone back to at least one of my two bikes being SS, but even when they were both geared, the effect of the time when riding only SS for a while hadnít worn off. I purposely ride geared...
08-03-20, 10:04 AM
Replies: 71
Views: 2,335
Posted By ofajen

I donít, I just start wrapping at the end and the...

I donít, I just start wrapping at the end and the overlap and adhesive is plenty to keep it in place.

Otto
08-03-20, 07:56 AM
Replies: 11
Views: 478
Posted By ofajen

Thatís what IĎve always used, and Iíd tend to...

Thatís what IĎve always used, and Iíd tend to agree that you want to know how to deal with this on the road!

Otto
08-02-20, 09:51 PM
Replies: 46
Views: 3,252
Posted By ofajen

Just this afternoon I set up my Ď88 RockHopper as...

Just this afternoon I set up my Ď88 RockHopper as a SS again, this time with 42/16.

Last time I ran 42/17 but that seemed a bit low so this time I did 42/16. That seems about right since we have...
08-02-20, 03:24 PM
Replies: 24,534
Views: 2,090,930
Posted By ofajen

Converted my Ď88 RockHopper back to SS! 😊 ...

Converted my Ď88 RockHopper back to SS! 😊

Otto

...
08-02-20, 03:13 PM
Replies: 72
Views: 5,702
Posted By ofajen

I had been in recovery for about a year, but...

I had been in recovery for about a year, but today I finally relapsed.

...
08-02-20, 08:28 AM
Replies: 1,054
Views: 235,173
Posted By ofajen

This 25Ē Sprint frame is from 1985 or 1986, as...

This 25Ē Sprint frame is from 1985 or 1986, as far as I can tell from catalog scans. I got it about four years ago for my son, but it turned out to be too tall for him, even though he is taller than...
07-31-20, 04:36 PM
Replies: 49
Views: 1,208
Posted By ofajen

That site is using weight on Earth (of course)...

That site is using weight on Earth (of course) and the rolling resistance term includes the weight of bike and rider, so power requirements would be reduced by a factor of six on the moon. That would...
07-31-20, 03:19 PM
Replies: 49
Views: 1,208
Posted By ofajen

Fun question! My back of envelope calc...

Fun question!

My back of envelope calc estimate for top possible speed is about 1500 km/hr.

I assume the rider can put out about 200 watts. I also assume 0.9 coefficient of static friction of...
07-31-20, 02:21 PM
Replies: 11
Views: 546
Posted By ofajen

I ran RTPs on my 26er for a bit over two years....

I ran RTPs on my 26er for a bit over two years. About a month ago, after something like 3000 miles or so I had to give up on the rear tire. It was becoming flat-prone. The center section was worn...
07-30-20, 12:03 PM
Replies: 17
Views: 1,046
Posted By ofajen

I would agree, but every discussion and chart...

I would agree, but every discussion and chart Iíve seen was already clear that total weight of bike and rider was the relevant quantity as the physics dictates.

What I think is appreciated less...
07-29-20, 02:46 PM
Replies: 313
Views: 46,519
Posted By ofajen

Has a sort of Batman look to it... but in a good...

Has a sort of Batman look to it... but in a good way!

Otto
07-28-20, 10:53 AM
Replies: 183
Views: 8,585
Posted By ofajen

It wasnít posted as a myth, but at the start of...

It wasnít posted as a myth, but at the start of the year, Jan did a blog post about predictions for the future. He made several, one being that road bikes will continue to move towards wider tires,...
07-28-20, 09:15 AM
Replies: 7,469
Views: 1,932,539
Posted By ofajen

I posted pics of this RockHopper in the...

I posted pics of this RockHopper in the MTB/upright thread about a month ago, but Iíve switched back to the Scott AT-4 Pro bars it had before.

Iíve had these bars since 1993 when I got them on a...
07-27-20, 08:22 PM
Replies: 31
Views: 988
Posted By ofajen

I was guilty of that for a while because I was...

I was guilty of that for a while because I was still tweaking stem height and wasnít sure about length. I went ahead and trimmed them down to a good length today once I felt I had a pretty clear...
07-26-20, 12:03 PM
Replies: 90
Views: 3,154
Posted By ofajen

Probably not the place to expect or seek to...

Probably not the place to expect or seek to verify ďnormal!Ē 😊

Otto
07-24-20, 12:04 PM
Replies: 183
Views: 8,585
Posted By ofajen

I bought a pair of the 26Ē RTPs a couple of years...

I bought a pair of the 26Ē RTPs a couple of years ago and have a lot of miles on them. Something like 4000-5000. Just had to replace the rear one, as it had worn thin and had started to flat...
07-23-20, 09:56 PM
Replies: 61
Views: 1,505
Posted By ofajen

The fork is original... the frame is a...

The fork is original... the frame is a replacement. 😊

Otto
Showing results 1 to 50 of 84
 


 
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