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Search: Posts Made By: oldacura
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07-30-20, 07:32 AM
Replies: 3
Views: 331
Posted By oldacura

Sounds like you have a lot of racer types like we...

Sounds like you have a lot of racer types like we do here in Boulder County. They seem to be so caught up in their activity that they can't be bothered to acknowledge people so uncool to ride a...
07-27-20, 03:12 PM
Replies: 3
Views: 331
Posted By oldacura

Current cycling demographics

We took our tandem out yesterday for a ride we have done many times in the past. As we neared home, I asked my stoker "what did you notice about the other riders we encountered today?".

She said...
03-11-20, 10:54 AM
Replies: 35
Views: 2,726
Posted By oldacura

I'm certain that the advice to strengthen your...

I'm certain that the advice to strengthen your core is good advice. I should heed this (but I don't).

Trying to get bikes to fit me better recently I have ordered a series of stems of varying...
02-24-20, 07:22 AM
Replies: 13
Views: 1,608
Posted By oldacura

We have an older Co-Motion Co-Pilot. If you...

We have an older Co-Motion Co-Pilot.

If you take the front "half" off of your bike, you still have to disconnect 3x cables. The cable splitters work OK but I wouldn't want to do this regularly.
...
12-02-19, 04:10 PM
Replies: 20
Views: 2,427
Posted By oldacura

We have double-legged kickstands on our single...

We have double-legged kickstands on our single E-Bikes (weight is not really an issue). Don't know the brand. They work great.
10-25-19, 06:47 AM
Replies: 13
Views: 2,038
Posted By oldacura

I would agree. If the chain doesn't interfere...

I would agree. If the chain doesn't interfere with something, inboard mounting would reduce twisting on the BB.
10-11-19, 09:14 AM
Replies: 26
Views: 3,920
Posted By oldacura

Agree with your observations about riding...

Agree with your observations about riding side-by-side. We rarely do it except in ideal conditions. If I am on the inside, I'm always checking behind me for overtaking traffic and/or using a mirror...
10-10-19, 07:09 AM
Replies: 26
Views: 3,920
Posted By oldacura

My original posting was pointing out that...

My original posting was pointing out that electric single bikes were a different solution to a problem that tandems solve: To allow riders of different abilities to ride together. We have a human...
10-08-19, 02:50 PM
Replies: 26
Views: 3,920
Posted By oldacura

We too just returned from Hawaii (Kauai). We did...

We too just returned from Hawaii (Kauai). We did see a few riders on the main road around the island but I think these people are crazy. The roads are narrow with little or no shoulders and many...
09-20-19, 08:29 AM
Replies: 23
Views: 4,814
Posted By oldacura

We have a 2015 Calfee with Ultegra Di2. I wanted...

We have a 2015 Calfee with Ultegra Di2. I wanted the biggest range possible. We're running 52t x 34t up front with 11t x 40t in the rear. We have a K-Edge long cage on the rear derailleur. This is...
09-16-19, 09:44 AM
Replies: 26
Views: 4,406
Posted By oldacura

If your tandem is carbon fiber, don't clamp any...

If your tandem is carbon fiber, don't clamp any of the frame tubes. Clamp one of the seat posts. If your tandem is metal, it should be OK to clamp the frame. I would think it is best to clamp near...
09-11-19, 11:24 AM
Replies: 26
Views: 3,920
Posted By oldacura

Not been to the Big Island. We're staying on the...

Not been to the Big Island. We're staying on the north shore in Kauai. On the east shore is the town of Kapaa. In Kapaa is Kauai Cycles. They rent bikes. I think they have a non-motorized...
09-11-19, 07:08 AM
Replies: 26
Views: 3,920
Posted By oldacura

What island(s) are you going to? Sixteen...

What island(s) are you going to?

Sixteen years ago we went to Maui with our coupled tandem and rode up (and down) Haleakala. Our team age at the time was 92. It was the hardest ride we have ever...
09-09-19, 07:16 AM
Replies: 26
Views: 3,920
Posted By oldacura

Electric bikes

My wife (Stoker) and I have been riding various types of bikes for a long time: single road bikes, single mountain bikes, road tandems, etc.

Our team age is now 120+ and we decided to try...
08-28-19, 09:20 AM
Replies: 23
Views: 4,814
Posted By oldacura

Ours was not a conversion but a new build Calfee...

Ours was not a conversion but a new build Calfee Di2. I wanted the widest range we could get out of a 2x system. We're at 52t x 34t up front with a 40t x 11t cassette. It was set up with a K-Edge...
08-27-19, 08:45 AM
Replies: 23
Views: 4,814
Posted By oldacura

Where did you get the chainring guard?

Where did you get the chainring guard?
08-07-19, 10:05 AM
Replies: 4
Views: 2,129
Posted By oldacura

I'm not certain but I'll bet the weight limit is...

I'm not certain but I'll bet the weight limit is based on the human handling the box - not on the capacity of the train. Maybe if you can make it easy for a person to handle it, they won't enforce...
08-01-19, 08:47 AM
Replies: 15
Views: 2,755
Posted By oldacura

We've run Gatorskins for a long time. They may be...

We've run Gatorskins for a long time. They may be slightly heavier with slightly greater rolling resistance but they seem to be pretty puncture resistant. I've also tried GP4000s. I think I can...
07-26-19, 09:24 AM
Replies: 6
Views: 3,263
Posted By oldacura

Wow - what a great resource that this website can...

Wow - what a great resource that this website can pair someone with a specific need to someone with the exact solution. I think it looks pretty good with the blue fork.
07-24-19, 10:23 AM
Replies: 36
Views: 5,496
Posted By oldacura

I hadn't thought about eBay. Since it is a...

I hadn't thought about eBay. Since it is a coupled bike, shipping isn't a big concern. EBay tends to be the truest marketplace for items with a small local demand.
07-24-19, 07:06 AM
Replies: 36
Views: 5,496
Posted By oldacura

We have a similar old Co-Pilot with direct-pull...

We have a similar old Co-Pilot with direct-pull "V" brakes. If the brakes are adjusted well, the brake pads are fairly new and the rims are clean, I have never had an instance where I couldn't lock...
07-23-19, 07:00 AM
Replies: 55
Views: 13,806
Posted By oldacura

Carbon fiber composite is essentially an...

Carbon fiber composite is essentially an insulator. Aluminum is a very good conductor. If the CF rims get hot in one spot, the heat won't readily flow to the cooler areas. I wonder if the...
06-11-19, 02:33 PM
Replies: 25
Views: 8,564
Posted By oldacura

If the top tube chips are minor, you can likely...

If the top tube chips are minor, you can likely get some touch-up paint from Santana. Then, you get some clear bra (3M Scotchcal) from Amazon or the like to protect the paint from future damage. Nice...
06-04-19, 07:51 AM
Replies: 1
Views: 2,886
Posted By oldacura

We had a flat Sunday. First time in a while. I...

We had a flat Sunday. First time in a while. I forgot how much I don't like removing & installing a new tube, seating the bead and re-inflating the tire. I have used Slime tubes recently but they are...
06-04-19, 06:49 AM
Replies: 1
Views: 2,886
Posted By oldacura

Vittoria Pit Stop

Has anyone here used this on a tandem:

https://www.youtube.com/watch?v=4GoA9v6ZR0c

I had never heard of it. A neighbor mentioned it to me. Seems like it might be a easier way to fix a flat on...
03-19-19, 09:54 AM
Replies: 21
Views: 6,087
Posted By oldacura

I appreciate all of the well-reasoned and...

I appreciate all of the well-reasoned and carefully thought out advice available on this forum.

When we got our new Calfee several years ago, I wanted a wide range. We went with a Di2 double...
02-28-19, 01:28 PM
Replies: 4
Views: 1,376
Posted By oldacura

If you like Mt Lemmon, you'l probably also like...

If you like Mt Lemmon, you'l probably also like Kitt Peak (SW of Tucson). The ride up & down is great. The ride out & back - not so much.
01-31-19, 08:16 AM
Replies: 33
Views: 6,895
Posted By oldacura

Looks like area around Tucson.

Looks like area around Tucson.
01-22-19, 09:41 AM
Replies: 10
Views: 1,934
Posted By oldacura

I appreciate all the info. However, there seems...

I appreciate all the info. However, there seems to be a big disconnect between the wonderful experience of bike touring of NZ that so many have reported and the picture conspiratemus1 paints. His...
01-21-19, 01:57 PM
Replies: 10
Views: 1,934
Posted By oldacura

Wow! I'm glad that I inquired. This is completely...

Wow! I'm glad that I inquired. This is completely different from my expectation. My personal experience is more than 30 years old.

In 1988, we took an extended vacation from the US to NZ. We flew...
01-08-19, 09:17 AM
Replies: 10
Views: 1,934
Posted By oldacura

New Zealand South Island bike tour

My Stoker & I have often thought about riding a tandem in New Zealand. However, we never got around to it and in the meantime, we have gotten older. We would still like to do a bike tour on the South...
01-03-19, 01:19 PM
Replies: 40
Views: 4,337
Posted By oldacura

This has been discussed on this forum...

This has been discussed on this forum extensively.

A tandem has an advantage over a single bike on flats & downhill. This is an aerodynamic advantage. Basically, anything over about 15 mph a...
01-02-19, 10:48 AM
Replies: 40
Views: 4,337
Posted By oldacura

I think that I didn't make myself clear. If one...

I think that I didn't make myself clear. If one is riding SINGLE bikes with another rider of different ability, it isn't much fun for either. A tandem eliminates that difference.
01-02-19, 09:33 AM
Replies: 40
Views: 4,337
Posted By oldacura

Agreed. Over many years of cycling, I have found...

Agreed. Over many years of cycling, I have found that riding with another person who is even slightly different in ability isn't much fun for either the faster or the slower person.

However,...
01-02-19, 09:29 AM
Replies: 7
Views: 1,657
Posted By oldacura

So - slightly heavier than a good derailleur...

So - slightly heavier than a good derailleur system? Also - I thought there was a slight efficiency loss compared to a derailleur - correct?

Sounds very intriguing. I too like the appeal of a...
12-21-18, 10:31 AM
Replies: 7
Views: 1,657
Posted By oldacura

I'd be interested in how you like the Rohloff...

I'd be interested in how you like the Rohloff compared to derailleurs once you get some miles on it. What is the gear range? How many gears?
12-12-18, 09:47 AM
Replies: 19
Views: 3,391
Posted By oldacura

I looked at their website. From a quick view I...

I looked at their website. From a quick view I gather that the function of this is to replace mechanical shifting with a motor. Like Sram or Di2 (but wireless). Correct?

If one can afford a...
10-29-18, 07:08 AM
Replies: 33
Views: 8,350
Posted By oldacura

We got one from Co-Motion. The bag under our...

We got one from Co-Motion. The bag under our Stoker seat was bothering her. The Co-Motion one that fits under the stoker bars is out of the way for both of us. Quite a bit bigger than the under seat...
10-10-18, 02:24 PM
Replies: 4
Views: 728
Posted By oldacura

Frank & Kaye live part time in Tucson and would...

Frank & Kaye live part time in Tucson and would have lots of info on riding there. Look for them on this forum.

I used to live in Tucson as well but never rode a tandem there. Mt Lemmon is a...
09-18-18, 07:00 AM
Replies: 98
Views: 12,663
Posted By oldacura

Different question: Why does your bike have only...

Different question: Why does your bike have only 2 couplers? Breaking it into 2 pieces wouldn't make it small enough to fit into maximum size airline cases - would it?
09-14-18, 08:12 AM
Replies: 36
Views: 4,485
Posted By oldacura

I haven't run the numbers (like others have) but...

I haven't run the numbers (like others have) but I would think the biggest jump would be the 11t - 10t jump. That would be only about 9%. Are there other jumps that are in the 15% range?

I now see...
09-14-18, 07:51 AM
Replies: 3
Views: 789
Posted By oldacura

Wow! Gorgeous! I'll bet that was a lot of...

Wow! Gorgeous!

I'll bet that was a lot of up & down.
09-13-18, 11:59 AM
Replies: 36
Views: 4,485
Posted By oldacura

Very interesting analysis. I don't think in...

Very interesting analysis. I don't think in gear-inches (rather ratios) but I know gear-inches is the common language for detailed analysis.

Our old Co-Mo was a triple with a low end of 30t x...
09-12-18, 09:59 AM
Replies: 36
Views: 4,485
Posted By oldacura

I would think that a progressive range from high...

I would think that a progressive range from high to low without a big step in the middle has some real advantages. Relatively large steps between gears may be objectionable to some but OK for others....
09-11-18, 02:00 PM
Replies: 36
Views: 4,485
Posted By oldacura

Never thought of the weight of a huge cassette...

Never thought of the weight of a huge cassette but it is probably quite a lot. With respect to the aesthetics, I agree - the huge cassette looks pretty weird (but I could get used to it).

Our...
09-11-18, 01:15 PM
Replies: 36
Views: 4,485
Posted By oldacura

Merlin - If you were to change to a 1x,...

Merlin -

If you were to change to a 1x, you could have a close-ratio cassette for Florida and a wide range cassette when you go to hilly terrain. Do you see having a 1x drivetrain a benefit or...
09-07-18, 08:26 AM
Replies: 36
Views: 4,485
Posted By oldacura

Our new tandem is 2x11 with a range of 5.6:1....

Our new tandem is 2x11 with a range of 5.6:1. This was about the widest range we could get in a 2x Di2. If we avoid big climbs, this works well enough for us.

Others on this forum are happy...
09-06-18, 01:21 PM
Replies: 36
Views: 4,485
Posted By oldacura

Sram Eagle for tandems

Has anyone tried to integrate a Sram Eagle system to a tandem?

My understanding is that it is a 1 x 12 with a range of 10t - 50t.

It seems like this would solve a lot of range problems and...
08-31-18, 10:52 AM
Replies: 25
Views: 1,486
Posted By oldacura

Ok - thanks. I don't see how watts compare to...

Ok - thanks. I don't see how watts compare to knots but unless I can provide evidence otherwise, I will accept that this is the best authority available.

I see that the aero drag is about 30...
08-31-18, 09:33 AM
Replies: 25
Views: 1,486
Posted By oldacura

You appear to be an intelligent person. I don't...

You appear to be an intelligent person. I don't know why you feel the need to get unpleasant.

If you look at the Swisside website noted by OneIsAllYouNeed, they claim rotational drag constitutes...
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