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Search: Posts Made By: SDS
Showing results 1 to 50 of 694
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Forum: Tandem Cycling
09-05-09, 10:51 AM
Replies: 8
Views: 1,455
Posted By SDS

Depending on the hills and your strength, you...

Depending on the hills and your strength, you will probably want to change to a smaller cassette with closer gear splits, i.e., 11-21 to 11-25. I have never used anything like an 11-33, but I do find...
Forum: Tandem Cycling
03-26-09, 08:30 AM
Replies: 5
Views: 806
Posted By SDS

At that point in time it may not have been...

At that point in time it may not have been possible to get 11T and 12T rear cogs. The other route to high gearing was large chainrings. Given that FD capacity is relatively fixed, this meant giving...
Forum: Tandem Cycling
03-22-09, 10:33 AM
Replies: 31
Views: 3,136
Posted By SDS

Given the circumference difference between 26"...

Given the circumference difference between 26" and 700C, I am inclined to go with the 700C for road riding. When you need a 53 X 11 and 700C to keep up with the pack, nothing else will do.
Forum: Tandem Cycling
03-20-09, 07:29 PM
Replies: 7
Views: 981
Posted By SDS

It didn't take me long to consider that the best...

It didn't take me long to consider that the best crankarm for mounting a cadence sensor is the captain's right crankarm--no chain at all. On two tandems I have Avocet 45TT computers for the stoker,...
Forum: Tandem Cycling
03-12-09, 02:19 PM
Replies: 22
Views: 1,548
Posted By SDS

I would recommend double-sided SPD pedals, that...

I would recommend double-sided SPD pedals, that is, the ones that will allow you to clip in on both sides. Shimano used to make a pedal that was a platform on one side and a SPD pedal on the other...
Forum: Tandem Cycling
03-04-09, 08:27 AM
Replies: 7
Views: 2,520
Posted By SDS

Be careful on the bike path going under the...

Be careful on the bike path going under the bridge on I-70 just uphill from Vail going up toward Vail Pass--I have heard that a few people have had accidents there due to poor visibility. Also,...
Forum: Tandem Cycling
02-02-09, 07:29 PM
Replies: 16
Views: 4,827
Posted By SDS

The considerable advantage of the Flight Deck...

The considerable advantage of the Flight Deck system is that it offers virtual cadence calculated from the gear and the speed. This means that while you are coasting downhill, you can select a gear...
Forum: Tandem Cycling
02-01-09, 06:25 PM
Replies: 12
Views: 1,431
Posted By SDS

Actually, it was Crest that sponsored a racing...

Actually, it was Crest that sponsored a racing team equipped with (yes) mostly white Cannondales. Wish I had one of those in my size, though of course a free Saeco team bike would be gratefully...
Forum: Tandem Cycling
01-21-09, 03:38 PM
Replies: 14
Views: 2,165
Posted By SDS

Given that the tandem is not new (?), look for...

Given that the tandem is not new (?), look for frayed cables inside the STI shifter. That can cause the problem you describe. The constant flexing from straight to wrapped around the shift drum,...
Forum: Tandem Cycling
01-08-09, 11:31 AM
Replies: 6
Views: 739
Posted By SDS

As noted above, check the frame dimensions and...

As noted above, check the frame dimensions and try to get the longest rear top tube possible consistent with a frame size that will fit you. That might push you toward the Cannondale and Trek...
Forum: Tandem Cycling
01-07-09, 09:24 PM
Replies: 11
Views: 1,402
Posted By SDS

If you do get to the point of getting a new...

If you do get to the point of getting a new tandem, keep in mind that some manufacturers charge only a little or perhaps nothing at all for custom frame dimensions, i.e., longer-than-standard bottom...
Forum: Tandem Cycling
01-07-09, 06:58 AM
Replies: 11
Views: 1,402
Posted By SDS

It has occurred to me, that if you have a tandem...

It has occurred to me, that if you have a tandem that has bottom bracket spacing that is too short (i.e., a stoker top tube of 27"), that it might be possible to extend that by adding longer tubes...
Forum: Tandem Cycling
12-10-08, 04:34 AM
Replies: 21
Views: 2,056
Posted By SDS

One thing that is not mentioned above is that the...

One thing that is not mentioned above is that the road surface matters. On perfectly smooth pavement with a light team you may indeed be able to use 700 X 25's with no problems. On rough secondary...
Forum: Tandem Cycling
11-10-08, 11:45 AM
Replies: 19
Views: 1,837
Posted By SDS

I thought I would address the matter of the...

I thought I would address the matter of the captain being smaller than the stoker.

1. Miji Reoch (world class cyclist) used to take out larger male cyclists on the back of her Jack Taylor tandem...
Forum: Tandem Cycling
11-03-08, 03:26 PM
Replies: 4
Views: 664
Posted By SDS

General derailleur advice for building up a road...

General derailleur advice for building up a road tandem:

1. Use a road triple up front, with the correct curvature for 52-53T.

2. Use an MTB derailleur in back, preferably with the needed cog...
Forum: Tandem Cycling
11-02-08, 06:35 PM
Replies: 18
Views: 3,698
Posted By SDS

For your second step, after practicing standing...

For your second step, after practicing standing up and coasting, I find it easier to first try standing up and pedaling on a gentle hill in a big gear. The advantages are that the constant resistance...
Forum: Tandem Cycling
11-02-08, 06:23 PM
Replies: 6
Views: 972
Posted By SDS

Seems like every time drop-bar-road-bike riders...

Seems like every time drop-bar-road-bike riders stop for three months or more, and then start again, the notable pains associated with beginning again include significant neck pain and back pain...
Forum: Tandem Cycling
10-29-08, 01:21 PM
Replies: 40
Views: 11,834
Posted By SDS

No reason I can think of. I would suggest you...

No reason I can think of. I would suggest you gear a little higher--12T to start, and 11T as soon as you know you need it. If you are going to ride with groups on the road, you will need an 11T small...
Forum: Tandem Cycling
10-23-08, 10:09 AM
Replies: 19
Views: 849
Posted By SDS

As noted above, given proper inflation and proper...

As noted above, given proper inflation and proper speed over the obstacle, it is likely that your tires are too small for what you tried to do with them. In Texas, it seems that 700 X 26 is small...
Forum: Tandem Cycling
10-22-08, 01:24 PM
Replies: 20
Views: 1,091
Posted By SDS

The mount appears to me to be consistent with the...

The mount appears to me to be consistent with the fitting you would expect for an Arai drum-type hub brake. I think there are adapters that might allow the use of a disk brake. Given your size, there...
Forum: Tandem Cycling
10-22-08, 11:46 AM
Replies: 20
Views: 1,091
Posted By SDS

Your first stop ought to be Tandemgeek's used...

Your first stop ought to be Tandemgeek's used tandem price evaluator, available on his website, www.tandemlink.com (I think).

My own comments:

1. Looks like the closest you are going to get to...
Forum: Tandem Cycling
10-22-08, 06:34 AM
Replies: 6
Views: 1,857
Posted By SDS

My recollection is that it is the over-locknut...

My recollection is that it is the over-locknut distance (outside of the locknut on the hub, to the outside of the other locknut on the hub), so the inside edges of the dropouts should be almost...
Forum: Tandem Cycling
10-20-08, 07:23 PM
Replies: 9
Views: 843
Posted By SDS

It might be the tire, or as noted above, a...

It might be the tire, or as noted above, a deficiency of the rim (check for the prominent beads on the inside edges of the rim at the top), or it might be a problem with assembly. You can't have any...
Forum: Tandem Cycling
10-20-08, 07:05 PM
Replies: 42
Views: 5,425
Posted By SDS

That's a beautiful, well thought-out tandem. If...

That's a beautiful, well thought-out tandem. If you find the front crankset seems a little mushy, you might consider larger timing chainrings.
Forum: Tandem Cycling
10-17-08, 10:41 AM
Replies: 10
Views: 1,278
Posted By SDS

I only have bullhorns on my time trial single...

I only have bullhorns on my time trial single bike. I only use drops on the back of a tandem. Given the limited space on the back of a tandem, and in some cases the limited mobility the team may...
Forum: Tandem Cycling
10-06-08, 12:07 PM
Replies: 36
Views: 4,505
Posted By SDS

As noted above, I would be very concerned about...

As noted above, I would be very concerned about the rims heating up under braking, and melting the glue, followed by tire rolloff, or having the valve stem ripped off by relative rotation of the...
Forum: Tandem Cycling
10-05-08, 03:29 AM
Replies: 34
Views: 3,371
Posted By SDS

There's a chance that rotating one or both of the...

There's a chance that rotating one or both of the rings (remove bolts, rotate ring relative to crank, replace bolts) on their cranks 180 degrees or so could reduce the extremes of chain tension...
Forum: Tandem Cycling
10-04-08, 05:11 AM
Replies: 49
Views: 3,216
Posted By SDS

It's a pretty fair bet that a 7-speed freewheel...

It's a pretty fair bet that a 7-speed freewheel and matching narrower chain will fit on that Counterpoint Opus. Change the middle ring to a 36, and you are done. You might have to change the front...
Forum: Tandem Cycling
09-25-08, 10:20 PM
Replies: 11
Views: 955
Posted By SDS

What does it take to fit a large captain and a...

What does it take to fit a large captain and a small stoker on the same tandem?

Just guessing, you'd be happier with a 24" top tube than a 23"--it's easier to find a stem then that will give you...
Forum: Tandem Cycling
09-22-08, 09:36 PM
Replies: 6
Views: 875
Posted By SDS

Consider a large-tube, aluminum custom dimension...

Consider a large-tube, aluminum custom dimension tandem, perhaps something from Bushnell or Co-Motion.

Reasons: 1) mean height for an American male is 5'11" (and your weights put you somewhere...
Forum: Tandem Cycling
09-19-08, 05:34 PM
Replies: 9
Views: 1,061
Posted By SDS

Always check for partial deflation caused by slow...

Always check for partial deflation caused by slow leak, just before a turn. Look for wider tire, or mushing of tire over bumps. If the tire isn't hard, you can't turn.
Forum: Tandem Cycling
08-28-08, 12:27 PM
Replies: 23
Views: 2,540
Posted By SDS

With a 36" inseam your best fit might be a 190mm...

With a 36" inseam your best fit might be a 190mm crankset. Peter White Cycles in New Hampshire offers T.A. tandem cranksets up to 185mm. There might be a few small makers (Lennard Zinn, Sierra...
Forum: Tandem Cycling
08-25-08, 08:41 PM
Replies: 23
Views: 2,540
Posted By SDS

I would not make the timing rings any smaller on...

I would not make the timing rings any smaller on either side of the bike. You are too big and too strong (the 180mm cranks suggest you are at or over 5'10" with at least a 34" inseam). Thirties or...
Forum: Tandem Cycling
08-17-08, 07:55 PM
Replies: 6
Views: 872
Posted By SDS

My experience is that for general riding, 5.29mm...

My experience is that for general riding, 5.29mm of crankarm length, per inch of inseam, works best. I always provide the best length for my stokers when I can. Presently the tandem I ride with my...
Forum: Tandem Cycling
07-04-08, 11:45 AM
Replies: 14
Views: 873
Posted By SDS

From your description that sounds like a pinch...

From your description that sounds like a pinch that occurred during mounting the tire. You have to be careful not to have any tube squeezed between the rim and the tire when pushing the tire bead...
Forum: Tandem Cycling
07-02-08, 09:16 PM
Replies: 6
Views: 565
Posted By SDS

Santana makes a stoker stem extender that points...

Santana makes a stoker stem extender that points in almost any direction and is 50mm long. It's called the "ASX-50." That might be just what you need. I think you can find it on their website.
Forum: Tandem Cycling
07-02-08, 05:40 AM
Replies: 21
Views: 8,503
Posted By SDS

Some suggestions that I did not see above: ...

Some suggestions that I did not see above:

1. Check the crankarm length. Smaller women are going to have increasing difficulty turning large cranks at higher rpms. While there is controversy about...
Forum: Tandem Cycling
06-24-08, 08:27 PM
Replies: 32
Views: 2,488
Posted By SDS

Seems to me that is all about your perceptions....

Seems to me that is all about your perceptions. You're going to have to decide what you want.

Having ridden old steel (Santana Sovereign, Peugeot, Osell), old aluminum (Cannondale 6061 T6...
Forum: Tandem Cycling
06-22-08, 05:18 AM
Replies: 15
Views: 1,581
Posted By SDS

It seems to me that it might be helpful to...

It seems to me that it might be helpful to describe how tandem stoker compartments are measured for comparison and to give some measurements.

Tandem stoker compartment lengths are the horizontal...
Forum: Tandem Cycling
06-13-08, 06:27 PM
Replies: 5
Views: 7,918
Posted By SDS

One advantage of the Shimano Flight Deck computer...

One advantage of the Shimano Flight Deck computer is the graphic gear display, which might help you keep from considering a shift into the large-large combination, because you will know when you are...
Forum: Tandem Cycling
06-08-08, 04:35 AM
Replies: 13
Views: 870
Posted By SDS

I disagree with the argument that the small size...

I disagree with the argument that the small size of the pedal can be a problem. When the Shimano SPD system first became common, a number of people complained that the small pedal caused a lot of...
Forum: Tandem Cycling
05-29-08, 08:35 PM
Replies: 29
Views: 1,544
Posted By SDS

WheresWaldo's post has it exactly right. It's...

WheresWaldo's post has it exactly right. It's hard to argue with the idea that starting off two feet (one captain foot and one stoker foot gives both riders more control over their own fate) isn't...
Forum: Tandem Cycling
05-24-08, 05:13 AM
Replies: 15
Views: 1,064
Posted By SDS

I am not familiar with Specialized Armadillos. If...

I am not familiar with Specialized Armadillos. If those fibers are intended to be anchored at both ends, I would say that they are intended to be a structural component of the tire, and the tire is...
Forum: Tandem Cycling
05-22-08, 06:44 PM
Replies: 8
Views: 1,630
Posted By SDS

I prefer to spin up hills. To climb long, steep...

I prefer to spin up hills. To climb long, steep hills like Mount Evans in Colorado on my single (7500 feet of climbing finishing at 14,100 or so), I switch the chainrings for 24-36-50 and the...
Forum: Tandem Cycling
05-12-08, 08:38 PM
Replies: 10
Views: 887
Posted By SDS

To achieve a typical roadie position will...

To achieve a typical roadie position will probably require a higher saddle, more distance to the handlebars, and more space along the centerline of the bike, and therefore more distance between the...
Forum: Tandem Cycling
05-07-08, 07:55 PM
Replies: 8
Views: 1,854
Posted By SDS

Looking at Bill's article, a 26" tire will be of...

Looking at Bill's article, a 26" tire will be of 2.5" less diameter than an equal width 700C tire. Multiplying the difference by pi, and given an 83.75" loaded rollout diameter for a 700 X 28, that...
Forum: Tandem Cycling
04-22-08, 07:56 PM
Replies: 9
Views: 1,068
Posted By SDS

Gotta keep the stoker happy. I've had to solve...

Gotta keep the stoker happy. I've had to solve similar problems from time to time, including adapting the Wal-Mart bell with glowing LEDs to handlebars that were too large, and the solution that...
Forum: Tandem Cycling
03-26-08, 06:31 PM
Replies: 9
Views: 936
Posted By SDS

I want to suggest three possible solutions to...

I want to suggest three possible solutions to getting both of you on a tandem.

1. Bushnell is probably as low-priced (not cheap) as you can go in a new, custom dimension tandem. If they're in...
Forum: Tandem Cycling
01-19-08, 10:26 AM
Replies: 11
Views: 1,096
Posted By SDS

I would add to the advice above, make sure every...

I would add to the advice above, make sure every place the cable could rub is properly lubricated, particularly the cable guides under the bottom brackets.
Forum: Tandem Cycling
01-04-08, 03:29 PM
Replies: 38
Views: 4,209
Posted By SDS

My recollection is that the difference in width...

My recollection is that the difference in width between a double and a triple, measured at the pedal holes, is 9mm. Not sure about that, but it isn't a large fraction of the normal 150mm (again,...
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