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Search: Posts Made By: Chris_W
Forum: Long Distance Competition/Ultracycling, Randonneuring and Endurance Cycling 06-28-16, 02:49 PM
Replies: 32
Views: 1,489
Posted By Chris_W
A few years ago, a lot of Conti' tires suddenly...

A few years ago, a lot of Conti' tires suddenly suffered from a similar problem. I don't think it was limited to Ultra Sports because I saw a couple of almost-new GP4000S tires fail due to sidewall...
Forum: Long Distance Competition/Ultracycling, Randonneuring and Endurance Cycling 06-25-16, 12:57 PM
Replies: 32
Views: 1,489
Posted By Chris_W
I used the rolling resistance values from...

I used the rolling resistance values from bicyclerollingresistance.com to estimate their effects at this type of riding speed and in a course of varied terrain. Based on my calculations, the...
Forum: Tandem Cycling 06-19-16, 12:33 PM
Replies: 9
Views: 648
Posted By Chris_W
I've also seen those max pressure values marked...

I've also seen those max pressure values marked on the DT Swiss tandem rims that come on the new Cannondales, which are equipped with 28mm wide tires. I can't understand how DT Swiss can make a rim...
Forum: Tandem Cycling 06-05-16, 03:48 PM
Replies: 3
Views: 529
Posted By Chris_W
My first concern would be whether your tandem has...

My first concern would be whether your tandem has the correct rear hub spacing.
Forum: Bicycle Mechanics 05-29-16, 09:50 AM
Replies: 12
Views: 529
Posted By Chris_W
The different offset in the original vs off-brand...

The different offset in the original vs off-brand inner rings makes a minor difference in shift quality, although that is never going to be optimal with non-matched chainrings anyway, but is more of...
Forum: Bicycle Mechanics 05-29-16, 09:43 AM
Replies: 14
Views: 568
Posted By Chris_W
Typical? No Does it happen? Yes I suggest...

Typical? No
Does it happen? Yes

I suggest that you talk to your shop instead of venting here.
Forum: Tandem Cycling 05-23-16, 05:26 AM
Replies: 5
Views: 467
Posted By Chris_W
Just do the measurements that FBinNy described....

Just do the measurements that FBinNy described. However, be warned that tires widths often vary by as much as +/- 10% compared to what is printed on them. Therefore, your current "30" tires could...
Forum: Bicycle Mechanics 05-22-16, 01:44 AM
Replies: 12
Views: 529
Posted By Chris_W
If you look closely at the stock 30 tooth ring on...

If you look closely at the stock 30 tooth ring on Shimano road triple cranks like the 5703 then you'll see that the teeth are offset to the inside slightly, the ring is not totally flat. This makes...
Forum: Tandem Cycling 05-16-16, 12:58 AM
Replies: 19
Views: 931
Posted By Chris_W
I have some Fizik shoes that have MTB soles but...

I have some Fizik shoes that have MTB soles but the uppers are very sleek and road-style. The M5B comes in men's and women's versions that look almost the same.
Forum: Long Distance Competition/Ultracycling, Randonneuring and Endurance Cycling 05-02-16, 12:35 AM
Replies: 25
Views: 3,981
Posted By Chris_W
That was Thomas Camero. He was just out there...

That was Thomas Camero. He was just out there having fun, enjoying the ride and experiencing the country; it was never his intention to race. He had quite an online following by the time he reached...
Forum: Tandem Cycling 04-20-16, 02:48 PM
Replies: 18
Views: 1,107
Posted By Chris_W
What are the options for an 11-speed cassette,...

What are the options for an 11-speed cassette, mechanical derailleur, and gear display (not including a piece of tape on the derailleur cable next to the captain's down-tube)?
Forum: Tandem Cycling 04-19-16, 03:17 PM
Replies: 18
Views: 1,107
Posted By Chris_W
I agree that in terms of shifting performance, an...

I agree that in terms of shifting performance, an electronic RD isn't that much different than a mechanical RD. However, if you run a non-stock cassette than the electronic RD will cope with it far...
Forum: Tandem Cycling 04-19-16, 03:14 PM
Replies: 18
Views: 1,107
Posted By Chris_W
But each blip can still only move the derailleur...

But each blip can still only move the derailleur in one direction. Why not incorporate an extra button into the lever to make shifting in either direction be possible with the same hand? Blips are...
Forum: Tandem Cycling 04-18-16, 12:38 AM
Replies: 10
Views: 648
Posted By Chris_W
I saw several pictures of pro' bikes at Paris...

I saw several pictures of pro' bikes at Paris Roubaix this year that were equipped with Ultegra brakes instead of their normal Dura Ace brakes. The reporters stated that this was due to the better...
Forum: Tandem Cycling 04-18-16, 12:29 AM
Replies: 18
Views: 1,107
Posted By Chris_W
Personally, I'd never want to ride with eTap - I...

Personally, I'd never want to ride with eTap - I can't imagine needing two hands to fully operate the rear derailleur (and the front). For me, one of the main advantages of electronic shifting is the...
Forum: Long Distance Competition/Ultracycling, Randonneuring and Endurance Cycling 04-18-16, 12:19 AM
Replies: 10
Views: 794
Posted By Chris_W
I also noticed this and assumed that they had...

I also noticed this and assumed that they had decided to flip the image during editing for some reason, but it did seem bizarre.
Forum: Tandem Cycling 04-17-16, 10:09 AM
Replies: 18
Views: 1,107
Posted By Chris_W
According to the local SRAM rep', a SRAM eTap...

According to the local SRAM rep', a SRAM eTap rear derailleur with a lower and longer cage to work with 32-tooth cassettes should be available around July this year.
Forum: Touring 04-15-16, 02:00 AM
Replies: 4
Views: 312
Posted By Chris_W
I've lived in Switzerland for 11 years and have...

I've lived in Switzerland for 11 years and have ridden my bike across it several times and have done some bike tour guiding. The Swiss National Route 5 is the easiest of the official national routes....
Forum: Tandem Cycling 04-13-16, 12:32 AM
Replies: 47
Views: 1,819
Posted By Chris_W
BTW, we also have a 145mm rear hub, single bike...

BTW, we also have a 145mm rear hub, single bike cranks, and Ultegra Di2 shifting. I know the limits of this setup, and within those limits everything works perfectly and we're very happy. Enjoy the...
Forum: Tandem Cycling 04-11-16, 12:09 PM
Replies: 47
Views: 1,819
Posted By Chris_W
What is the spacing of the rear hub? Tandems are...

What is the spacing of the rear hub? Tandems are often 145mm (regardless of whether they are disc compatible or not), which is far wider than single bikes to give the rear wheel extra strength. The...
Forum: Tandem Cycling 04-08-16, 12:53 AM
Replies: 47
Views: 1,819
Posted By Chris_W
When cross-chaining, is the chain rubbing on the...

When cross-chaining, is the chain rubbing on the outer ring or on the derailleur cage? If it is the outer ring then it's a chainline issue that is hard to do anything about. It it's the derailleur...
Forum: Tandem Cycling 04-06-16, 01:44 AM
Replies: 47
Views: 1,819
Posted By Chris_W
For me, this is the one annoyance about the XTR...

For me, this is the one annoyance about the XTR display. Low and high are natural opposite. Top and Bottom are naturally opposites. Low and top are an odd mix to choose, but I guess it was chosen by...
Forum: Tandem Cycling 04-05-16, 12:41 AM
Replies: 47
Views: 1,819
Posted By Chris_W
We're using the XTR gear display/junction box on...

We're using the XTR gear display/junction box on our tandem. It's very simple to install, just unplug the cables from your current junction box and plug them into the XTR junction box. On a single...
Forum: Long Distance Competition/Ultracycling, Randonneuring and Endurance Cycling 04-04-16, 05:46 AM
Replies: 51
Views: 4,794
Posted By Chris_W
In last year's Transcontinental Race (TCR), a...

In last year's Transcontinental Race (TCR), a 4200 km long non-stop, unsupported ride across Europe, several people used tubeless tires (many of them on the 25 or 28 mm wide version of the Shwalbe...
Forum: Long Distance Competition/Ultracycling, Randonneuring and Endurance Cycling 04-01-16, 12:30 AM
Replies: 7
Views: 1,371
Posted By Chris_W
My favorites are Specialized Rime Elites. They...

My favorites are Specialized Rime Elites. They have a nice, roomy toe box, so feel comfortable even when pedalling for 12 hours per day. Despite being reasonably stiff, they are easy to walk in (MTB...
Showing results 1 to 25 of 500

 
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