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Search: Posts Made By: tkramer
Showing results 1 to 50 of 87
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07-13-20, 10:15 AM
Replies: 13
Views: 3,162
Posted By tkramer

I haven't added a rack, but the fender mounts...

I haven't added a rack, but the fender mounts have neoprene washers between the tab and fork blade. I wold likely use leather washers if I were to add rack(s).

The thru axle is from Paul...
07-08-20, 04:49 PM
Replies: 21
Views: 4,061
Posted By tkramer

Or you could go full on custom and have a 10-arm...

Or you could go full on custom and have a 10-arm spider machined to accommodate a Praxis 48/32 chainset with a 44T timing ring....
06-30-20, 06:19 PM
Replies: 13
Views: 3,162
Posted By tkramer

We have the Co-lab fork on our BinghamBUILT....

We have the Co-lab fork on our BinghamBUILT. tandem. Very stout and tandem rated according to the vendor.
A member of our club got a new Calfee late last year and I looks have the same fork (with...
06-30-20, 05:58 PM
Replies: 5
Views: 886
Posted By tkramer

Hey, there's a Bilenky! Now I know that he favors...

Hey, there's a Bilenky! Now I know that he favors the forward-the-BBs coupler placement, like Co-motion.

We visited Rodriguez a few years back on a San Juan Islands trip. Stayed in Seattle for a...
06-29-20, 10:06 AM
Replies: 5
Views: 886
Posted By tkramer

Nice integration with the frame! Is that a...

Nice integration with the frame!
Is that a Rodriguez? Or maybe Bilenky, given your PA location?

I just noticed the trillium decal on stoker's downtube, The double mitred diagonal at stoker's BB...
03-05-20, 11:39 PM
Replies: 35
Views: 4,032
Posted By tkramer

First thing, ditch the dirt bike bars for...

First thing, ditch the dirt bike bars for something with at least a 40 back sweep like the Jones H-loop or FSA Metropolis. Unless you're going to be throwing the bike around on the trails and juking...
08-06-19, 11:40 PM
Replies: 9
Views: 7,009
Posted By tkramer

bikeinxs Were you running the Rene Herse/Compass...

bikeinxs Were you running the Rene Herse/Compass Standard or Extralight Barlow Pass tires? I find it curious that the GKs are actually lighter (claimed 330g) than the Compass extralights (350g). Even...
08-06-19, 11:28 PM
Replies: 1
Views: 2,329
Posted By tkramer

I have the Motoko as a front caliper on my...

I have the Motoko as a front caliper on my Co-motion Equator. Much better than the Spyre that came OEM. I left the Spyre on the rear since that's not where the power is needed. Also the set-up,...
08-06-19, 11:06 PM
Replies: 11
Views: 5,085
Posted By tkramer

A brand new Santana Sovereign we had...

A brand new Santana Sovereign we had creaked/clicked from day one. It would only happen when pedaling hard to accelerate but then would go away as torque on the cranks leveled out. So, it was never...
07-27-19, 06:35 PM
Replies: 9
Views: 7,009
Posted By tkramer

I've had the Panaracer Gravel King 700x38 on my...

I've had the Panaracer Gravel King 700x38 on my bike for 1,000 miles now. They were installed new with Stans. I have been running them at 55-58 PSI the entire time. Just today, I switched them over...
05-06-19, 08:08 PM
Replies: 12
Views: 2,012
Posted By tkramer

Santana, no question. Don't bother with the mail...

Santana, no question. Don't bother with the mail order junk. The Santana has "good bones" and can be serviced with all the standard tools and parts of its day. Any of the reputable makers: : KHS,...
03-26-19, 10:38 AM
Replies: 7
Views: 4,668
Posted By tkramer

https://cimg1.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg1.ibsrv.net/gimg/bikeforums.net-vbulletin/1120x2000/img_20190325_210356_fb2f424b3fcbc7a8a516f5fc1ce9c563396b23c4.jpg

CoLab fork clearance with Panaracer GravelKing 700 x 38 tires....
03-24-19, 04:15 PM
Replies: 7
Views: 4,668
Posted By tkramer

You might also want to consider the CoLab cross...

You might also want to consider the CoLab cross fork (https://www.cyclemonkey.com/forks/colab-cross-fork). It has been designed and tested for tandem loads. Just had a bike built with one. With the...
02-03-19, 06:55 PM
Replies: 13
Views: 2,570
Posted By tkramer

Todd should tout this as the only "viable"...

Todd should tout this as the only "viable" eTriple option available in Tandemdom. The gerry-rigging required to get 3x road gearing with the XTR Di2 group is really sub-optimal. Using the 3rd BB as a...
01-29-19, 11:18 PM
Replies: 13
Views: 2,570
Posted By tkramer

Alan's tandem is a DaVinci with independent...

Alan's tandem is a DaVinci with independent coasting. His front derailleur shifts over a 13/22(?)/29 triple cluster which is then doubled by the crankset rings to freewheel bracket ratio change. See...
01-29-19, 01:07 AM
Replies: 13
Views: 2,570
Posted By tkramer

When the touted 600%+ range includes useless tall...

When the touted 600%+ range includes useless tall gears for a heavy touring application, it seems presumptuous to dismiss a Rohloff because of its nominally "narrow" range. With a middling 55 x 22...
01-16-19, 11:33 PM
Replies: 18
Views: 4,318
Posted By tkramer

There are still a few options for traditional...

There are still a few options for traditional left-side timing chain tandem cranks. If you are okay with square taper, you have DaVinci Designs, Rene Herse and Middleburn. You might also be able to...
12-16-18, 07:05 PM
Replies: 38
Views: 10,361
Posted By tkramer

There is also the phenomenon of "wheel flop"....

There is also the phenomenon of "wheel flop". Depending on head tube angle and the rest of the geometry choices (rake, wheel size, etc.), how does the frame react to the turning of the wheel? Does it...
11-14-18, 01:21 PM
Replies: 42
Views: 8,552
Posted By tkramer

There's no telling. Mg++ is a great material for...

There's no telling. Mg++ is a great material for bikes. Our Paketa tandem is a prized possession. Unless there's some sort of hook, such as ultra light weight or some other attribute that the...
08-15-18, 07:37 PM
Replies: 77
Views: 6,731
Posted By tkramer

My team "solved" this issue with me (captain)...

My team "solved" this issue with me (captain) outfitting with flat pedals and regular shoes. It was first an experiment to induce me to dial back my 90 rpm cadence. We learned that 90 was too fast,...
07-30-18, 04:35 PM
Replies: 5
Views: 4,495
Posted By tkramer

Not that they're local to you, but BentUp cycles...

Not that they're local to you, but BentUp cycles in Los Angeles sells chain by the foot: https://www.bikeforums.net/tandem-cycling/1151057-tandem-length-chains-lbs-anywhere.html. In my pre-Gates...
06-10-18, 07:26 PM
Replies: 7
Views: 3,150
Posted By tkramer

If by 3rd party you mean not a Santana dealer...

If by 3rd party you mean not a Santana dealer (2nd party) or Santana direct (1st), probably not. No other manufacturer or builder has ever seen reason for such a ridiculously large rotor size.
09-18-17, 11:21 PM
Replies: 12
Views: 6,922
Posted By tkramer

We have a Co-motion Equator co-pilot. It's a...

We have a Co-motion Equator co-pilot. It's a great bike that compliments our racy Paketa with Di2. Like having a Porsche and Range Rover in the garage. Although it is theoretically and practically...
09-02-17, 12:09 PM
Replies: 34
Views: 3,974
Posted By tkramer

Since I ride with flat pedals, I simply pull my...

Since I ride with flat pedals, I simply pull my feet off and let my cranks spin. The only exception being climbing which is about 50% of the time. Otherwise I just laugh sardonically like I've never...
07-13-17, 10:43 AM
Replies: 32
Views: 4,750
Posted By tkramer

https://co-motion.com/bikes/java

https://co-motion.com/bikes/java
06-01-17, 12:16 PM
Replies: 30
Views: 6,035
Posted By tkramer

I run tubeless on our Paketa, but only with UST...

I run tubeless on our Paketa, but only with UST specified rims and tires (Mavic All-road Disc Pro wheels & Hutchinson Sector 28 tires). The tires are 30mm wide when inflated to 7 bar (~100 psi). I...
05-15-17, 12:49 PM
Replies: 9
Views: 1,539
Posted By tkramer

I second the Vittoria Voyager Hyper in 32 wide...

I second the Vittoria Voyager Hyper in 32 wide if you can fit them. Not as puncture proof as Armadillos or Gatorskins, but nice, supple and fast. I pump mine up to 95 psi front and back (on Velocity...
05-12-17, 11:59 AM
Replies: 7
Views: 2,073
Posted By tkramer

That's a lovely custom piece. What's up with the...

That's a lovely custom piece. What's up with the sanded away paint sections on the frame? Are you going to be attaching cable stops or brake line guides?
05-11-17, 10:21 AM
Replies: 9
Views: 2,969
Posted By tkramer

Yeesh, enough with the concern trolling! You're...

Yeesh, enough with the concern trolling! You're really making U.S. Americans look like a bunch of finger wagging ninnys.

It's obvious the OP is in Russia. Unless you have experience with bicycling...
04-18-17, 10:46 AM
Replies: 8
Views: 3,651
Posted By tkramer

From text and pictures on the linked page it...

From text and pictures on the linked page it looks like it can run a chain as well as a belt.
04-15-17, 03:33 PM
Replies: 4
Views: 997
Posted By tkramer

Have you considered a brake bridge reinforcer,...

Have you considered a brake bridge reinforcer, like DaVinci Designs "stiffy": http://www.davincitandems.com/components/. I've never used one myself, but have talked to others that reported a marked...
04-06-17, 05:07 PM
Replies: 34
Views: 4,830
Posted By tkramer

We've done non-coupled with a Bike Pro tandem...

We've done non-coupled with a Bike Pro tandem case on domestic airlines. I would do it again - but only in USA and to a destination where storing the case somewhere is viable, like a tour company or...
04-03-17, 11:52 AM
Replies: 14
Views: 2,205
Posted By tkramer

Yes, for the tandem, I agree front suspension...

Yes, for the tandem, I agree front suspension would be a benefit. By the time you add your "motors" and other accoutrements to the vehicle you essentially have the mass and wheelbase of an enduro...
03-29-17, 10:51 AM
Replies: 14
Views: 2,205
Posted By tkramer

I've been scratching my head at the bikes I've...

I've been scratching my head at the bikes I've seen out there with fat tires + suspension, too. Even with the newer "29+" class bikes, front suspension seems overkill (custom downhill bikes...
03-21-17, 03:05 PM
Replies: 42
Views: 8,552
Posted By tkramer

Yes. I've actually done this before on more than...

Yes. I've actually done this before on more than one occasion for myself and others. A chain breaker is de rigueur. It wouldn't have been advisable in this instance because less than 2/3 of the...
03-21-17, 12:43 PM
Replies: 42
Views: 8,552
Posted By tkramer

I thought I'd chime in here. I have a Paketa and...

I thought I'd chime in here. I have a Paketa and it did take nearly5 months from initial contact to order to delivery. This was for an off the rack frame. It was a "blem" unit that was out of spec...
02-10-17, 12:41 PM
Replies: 46
Views: 9,633
Posted By tkramer

Good old fashioned paraffin wax. Gulfwax from the...

Good old fashioned paraffin wax. Gulfwax from the canning section of the local market. I like to add beeswax to help increase the tackiness of the mixture - straight paraffin tends to flake off...
11-08-16, 11:32 AM
Replies: 8
Views: 1,309
Posted By tkramer

I still have bicycles I have owned since the late...

I still have bicycles I have owned since the late 80's early 90's. Can't say the same about any of the cars I've owned. Cars are ultimately disposable, as are most bike to be sure. By total mass, the...
10-25-16, 05:38 PM
Replies: 23
Views: 1,765
Posted By tkramer

I would say the word "soluble" is more apt,...

I would say the word "soluble" is more apt, considering we're talking about a carbon polymer interfacing with a carbon gas. And I will cede that my term "react" was a semantic *****. Many factors can...
10-25-16, 01:00 PM
Replies: 23
Views: 1,765
Posted By tkramer

CO2 is not inert like nitrogen (it acidifies...

CO2 is not inert like nitrogen (it acidifies water and with water vapor). So, it reacts with other molecules in the tire/rim chamber surfaces, taking it out of the gas phase.
10-25-16, 12:47 PM
Replies: 94
Views: 14,328
Posted By tkramer

This has been my experience also. Especially with...

This has been my experience also. Especially with the outboard piston - and on just the front wheel. It is most problematic when the pads are worn down past half their lifespan. You could re-position...
10-11-16, 04:04 PM
Replies: 94
Views: 14,328
Posted By tkramer

There's no objective answer because there are too...

There's no objective answer because there are too many factors to consider.

I ride three tandems: a Ventana MTB with two pot Magura hydraulics, a Santana with V-brakes, and a Paketa with the...
08-31-16, 12:08 PM
Replies: 4
Views: 1,380
Posted By tkramer

Nice set of components and price for such a bike....

Nice set of components and price for such a bike. I can only assume the choices will get better by the time my team "needs" motor assist.
07-31-16, 11:47 AM
Replies: 23
Views: 1,962
Posted By tkramer

Unfortunately, that double vee design was not...

Unfortunately, that double vee design was not kept, the designer left BF and apparently the inspiration to maintain it left, as well. A team here in San Diego rides a beautiful yellow one...
05-18-16, 11:18 AM
Replies: 9
Views: 1,659
Posted By tkramer

I second the Vittorias. Great tire.

I second the Vittorias. Great tire.
05-09-16, 03:27 PM
Replies: 24
Views: 2,016
Posted By tkramer

You mean San Diego, California right? Granted...

You mean San Diego, California right? Granted it's not Telluride, but there are plenty of hills in San Deigo County to make discs an appreciated have. Where I live (Poway/Rancho Bernardo) I can't...
04-22-16, 01:11 PM
Replies: 13
Views: 1,256
Posted By tkramer

Oh! I did forget to mention that I do stretch the...

Oh! I did forget to mention that I do stretch the tube during submersion to try and open up the hole. At roadside, I also do my best to get the ballpark region on the tube if I happen find the...
04-22-16, 11:32 AM
Replies: 13
Views: 1,256
Posted By tkramer

The old submerge in water method. You don't need...

The old submerge in water method. You don't need much pressure in the tube for that method - not enough to distend the walls anyway. Agreed, they are not always easily patch-able in the field as...
04-20-16, 09:47 AM
Replies: 13
Views: 1,256
Posted By tkramer

Vittoria latex tubes. You gotta keep on top of...

Vittoria latex tubes. You gotta keep on top of the pressure, but it's worth it.

The latex actually bonds better to Rema patches and glue than the butyl tubes. I carry butyl tubes as spares on the...
03-22-16, 11:11 AM
Replies: 81
Views: 20,945
Posted By tkramer

Yes. Everything but the riv-nuts for water...

Yes. Everything but the riv-nuts for water bottles and cable guides. The rear dropout plates might be aluminum (they're unpainted, maybe anodized). But every tube and joint of the frame's...
Showing results 1 to 50 of 87
 


 
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