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Search: Posts Made By: chojn1
Showing results 1 to 50 of 298
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Forum: Tandem Cycling
03-26-22, 08:18 AM
Replies: 13
Views: 1,821
Posted By chojn1

wtandem, I am using the Lightning cranksets....

wtandem,

I am using the Lightning cranksets. I have both the 110 and 130mm spiders which allow for pretty much any chain ring I want to use. At home in the flatland of Texas, I use the 130mm...
Forum: Tandem Cycling
03-14-22, 03:39 PM
Replies: 13
Views: 1,821
Posted By chojn1

I am currently running SRAM Rival 12 speed 10-36...

I am currently running SRAM Rival 12 speed 10-36 road cassette, Rival AXS rear derailer, and eagle 12 speed chain - shifts perfectly.
Forum: Tandem Cycling
03-08-22, 08:16 PM
Replies: 13
Views: 1,821
Posted By chojn1

bwebel, So, why not skip the flatop chains if...

bwebel,
So, why not skip the flatop chains if there is no advantage. Sram regular non-flattop 12 speed chains will work fine with your 10-33 cassette and what ever chain rings you have. As...
Forum: Tandem Cycling
03-07-22, 01:05 PM
Replies: 13
Views: 1,821
Posted By chojn1

@bewebel, What is the advantage of the flat top...

@bewebel,
What is the advantage of the flat top chains?
I had bought a set for my bike because it was the only 12 speed chain my local bike shop had at the time. I had so much problems with their...
Forum: Tandem Cycling
02-24-22, 07:08 PM
Replies: 38
Views: 15,582
Posted By chojn1

Bike boxes free from the local bike shop resized...

Bike boxes free from the local bike shop resized to transport the tandem bike - small enough to fit in a car trunk and large enough to fit a bike and accessories.
Wheels are reclaimed from an office...
Forum: Tandem Cycling
02-09-22, 03:35 PM
Replies: 38
Views: 15,582
Posted By chojn1

Sure. Try Zenocycleparts.com CJ

Sure. Try Zenocycleparts.com

CJ
Forum: Tandem Cycling
02-09-22, 08:42 AM
Replies: 38
Views: 15,582
Posted By chojn1

https://cimg8.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg8.ibsrv.net/gimg/bikeforums.net-vbulletin/1672x1254/coupler_2_402b139110ee1410d82aab9cd59e387465384ac3.jpg
Forum: Tandem Cycling
02-09-22, 08:42 AM
Replies: 38
Views: 15,582
Posted By chojn1

Found these quick connect/disconnect couplers for...

Found these quick connect/disconnect couplers for hydraulic brake hose. Just had them installed for about a month in anticipation for a France/Germany tour later this year. Works well so far.
...
Forum: Tandem Cycling
02-03-22, 01:02 PM
Replies: 38
Views: 15,582
Posted By chojn1

3D printed Garmin/headlight mount: ...

3D printed Garmin/headlight mount:
https://cimg9.ibsrv.net/gimg/bikeforums.net-vbulletin/1672x1254/garmin_mount_d46c3baf538dc75db122ca1cf23858c4dd2ddc2c.jpg...
Forum: Tandem Cycling
02-03-22, 12:55 PM
Replies: 38
Views: 15,582
Posted By chojn1

I have been playing with some hacks for my tandem...

I have been playing with some hacks for my tandem with a 3D printer and a metal laser cutter. Plastic parts are carbon fiber/nylon. Metal tools are made of stainless steel. Hope you like them.
...
Forum: Tandem Cycling
06-16-17, 11:25 PM
Replies: 25
Views: 4,505
Posted By chojn1

Try it, you'll love it. We were in your...

Try it, you'll love it. We were in your situation a few years ago. Now the singles rarely get use anymore. The tandem, on the other hand, gets about 100 miles a week. It also travel with us on...
Forum: Tandem Cycling
06-16-17, 10:50 PM
Replies: 36
Views: 10,605
Posted By chojn1

Very Nice! Be careful of the titanium bolts...

Very Nice!
Be careful of the titanium bolts though, they strip very easily.
CJ
Forum: Tandem Cycling
06-01-17, 07:38 PM
Replies: 19
Views: 2,679
Posted By chojn1

Goldilocks principle

Goldilocks principle
Forum: Tandem Cycling
06-01-17, 03:59 PM
Replies: 34
Views: 7,996
Posted By chojn1

Thanks for the info. That's reassuring. CJ

Thanks for the info. That's reassuring.
CJ
Forum: Tandem Cycling
05-31-17, 05:58 PM
Replies: 34
Views: 7,996
Posted By chojn1

On another note, has anyone flown with tubeless? ...

On another note, has anyone flown with tubeless?
Taking a trip at the end the month, I am a little concerned regarding the fluid and pressure in the packed tires?
Forum: Tandem Cycling
05-31-17, 05:54 PM
Replies: 34
Views: 7,996
Posted By chojn1

This blog by Jan Heine of Compass Tires is worth...

This blog by Jan Heine of Compass Tires is worth a read.

https://janheine.wordpress.com/2017/05/29/the-trouble-with-road-tubeless/

His recommendation is to keep the pressure below 60psi.
Forum: Tandem Cycling
05-26-17, 08:56 PM
Replies: 19
Views: 2,679
Posted By chojn1

richjac, Which tire is that and what happened...

richjac,
Which tire is that and what happened to it?
Forum: Tandem Cycling
05-23-17, 02:09 PM
Replies: 24
Views: 4,815
Posted By chojn1

The last time I recommended some tires to a...

The last time I recommended some tires to a friend he had an absolutely terrible experience with them, so I am a little leery about any tire recommendations. But, we have been very happy with the...
Forum: Tandem Cycling
05-18-17, 09:54 PM
Replies: 14
Views: 2,220
Posted By chojn1

Garmin makes a little rear radar that connects...

Garmin makes a little rear radar that connects wirelessly to the edge computer so I am aware of approaching cars without having to constantly look in the rear view mirror or looking back. The one...
Forum: Tandem Cycling
05-05-17, 09:57 AM
Replies: 7
Views: 3,899
Posted By chojn1

Our tandem is built to be able to take both kind...

Our tandem is built to be able to take both kind of wheels and we have both sets for different occasions.
700c with thinner tires is better for speedier rides on flat even roads.
650b with wider...
Forum: Tandem Cycling
04-09-17, 05:56 AM
Replies: 34
Views: 5,683
Posted By chojn1

Hi Mike, Good to hear from you. We may be...

Hi Mike,
Good to hear from you. We may be joining you in Banf next year. My wife and kid absolutely loved that ride the last time we did it. If only I can convince my son to do it again.
...
Forum: Tandem Cycling
04-08-17, 02:35 AM
Replies: 34
Views: 5,683
Posted By chojn1

pdlpsher, Sounds like you have good plan in...

pdlpsher,
Sounds like you have good plan in place.
An alternative if you ever change your mind, is to have your scandium retrofitted with couplers. Also, have you looked into a great small...
Forum: Tandem Cycling
04-07-17, 11:29 AM
Replies: 34
Views: 5,683
Posted By chojn1

oldacura, I've shipped singles from Houston to...

oldacura,
I've shipped singles from Houston to Breck for $35 each way on Bikeflights before. Granted that it was during one of their specials, but $170 one way seems excessive to me.

pdlpsher,...
Forum: Tandem Cycling
03-27-17, 03:17 PM
Replies: 97
Views: 31,253
Posted By chojn1

For those who got it to work: Is synchro...

For those who got it to work:
Is synchro shifting that much better than manual shifting?
Is the improvement worth the time and cost for the upgrade?
Thanks
Forum: Tandem Cycling
03-07-17, 06:26 PM
Replies: 12
Views: 5,120
Posted By chojn1

Would love hear the experiences from anyone using...

Would love hear the experiences from anyone using the soft case.

Logically, though, I cannot image the soft case having anywhere close to the protection of the hard case. The luggage handlers is...
Forum: Tandem Cycling
02-13-17, 07:12 PM
Replies: 11
Views: 11,519
Posted By chojn1

Hi AK, You're the one who got me started on...

Hi AK,

You're the one who got me started on the frame mod business with the internal DI2. My DI2 cables are now completely hidden through my handle bar, headset, and frame. The next logical step...
Forum: Tandem Cycling
02-13-17, 10:42 AM
Replies: 11
Views: 11,519
Posted By chojn1

Hey 2cicle, Any idea if the Formula Speed Lock...

Hey 2cicle,
Any idea if the Formula Speed Lock will be compatible with the new SRAM Etap HRD?
I am waiting patiently to move to hydraulics on my travel tandem, but only if I can find a viable quick...
Forum: Tandem Cycling
01-31-17, 02:52 PM
Replies: 14
Views: 2,389
Posted By chojn1

My wife really like these. Her upper body weight...

My wife really like these. Her upper body weight is on her elbow rather than her wrist. They are more for comfort than speed, but the aero tuck is a nice bonus.
Forum: Tandem Cycling
01-18-17, 10:55 AM
Replies: 16
Views: 5,297
Posted By chojn1

burnfatburn, I think the top tube on that front...

burnfatburn,
I think the top tube on that front frame may be too high for you.
Find a bike that you can comfortably ride, then measure its stand-over height.
That will determine the frame size...
Forum: Tandem Cycling
12-18-16, 07:40 AM
Replies: 69
Views: 14,527
Posted By chojn1

Looks awesome! Thank you so much for sharing the...

Looks awesome! Thank you so much for sharing the build process.

Is your headtube aluminum core or pure carbon tube? Any problem with the tapered headset?

Also, I thought having a separate...
Forum: Tandem Cycling
12-11-16, 09:10 AM
Replies: 16
Views: 5,297
Posted By chojn1

Glad to hear you are building your own tandem. ...

Glad to hear you are building your own tandem.
Check out this link on my last build if you have not already done so.
...
Forum: Tandem Cycling
10-27-16, 01:02 PM
Replies: 4
Views: 1,734
Posted By chojn1

We have 2 sets of wheels for my travel tandem one...

We have 2 sets of wheels for my travel tandem one 650b with 38mm tires and one 700c with 28mm tires. I use the 650b for touring, gravel grinding, or climbing mountain passes. They are much more...
Forum: Tandem Cycling
10-27-16, 11:26 AM
Replies: 4
Views: 1,326
Posted By chojn1

Nice bike! Who makes the frame? I am not so...

Nice bike! Who makes the frame?
I am not so confident about your car bike mount though. Looks more like an accident waiting to happen.
Forum: Tandem Cycling
10-21-16, 12:54 PM
Replies: 15
Views: 5,694
Posted By chojn1

Hi Wayne, 38mm 650B - the same one I ran at...

Hi Wayne,
38mm 650B - the same one I ran at SWTR just without the tubes.
70-75psi works best for me on the pavement. I had about 2000 mile on them prior to the conversion and about 1000 since. ...
Forum: Tandem Cycling
10-20-16, 09:26 PM
Replies: 15
Views: 5,694
Posted By chojn1

Thanks Bad, I was also thinking that must...

Thanks Bad,

I was also thinking that must have been the burp. Although I was expecting to see some sealant at the rim edge if that was the case. We are a pretty light team (240lb). Running these...
Forum: Tandem Cycling
10-20-16, 12:29 PM
Replies: 15
Views: 5,694
Posted By chojn1

Tubeless Tandem Tires

I bought a set of UST wheels last year. But, because of all the trips we had planned, I got lazy and just stuck some tubes and clinchers on and rode them as a regular clinchers setup. I was pretty...
Forum: Tandem Cycling
07-19-16, 05:28 PM
Replies: 10
Views: 2,401
Posted By chojn1

Most new tandem designs eliminate the lateral...

Most new tandem designs eliminate the lateral tube completely.
I haven't seen a Calfee with one in a long time.
My titanium doesn't have one either. Don't miss it. But it does have larger...
Forum: Tandem Cycling
07-15-16, 05:44 AM
Replies: 87
Views: 16,131
Posted By chojn1

Thanks for the tip. I'll try out your sequential...

Thanks for the tip. I'll try out your sequential shifting on our next ride. I am not so sure that testing on a single or on a stokerless tandem translate well to the condition of the two rider...
Forum: Tandem Cycling
07-13-16, 05:26 PM
Replies: 87
Views: 16,131
Posted By chojn1

I agree that the DI2 system is much better than...

I agree that the DI2 system is much better than the cable system, but the front shifting is never perfectly smooth as the rear shifting alone. Rarely, but there are episodes when the gears and chain...
Forum: Tandem Cycling
07-13-16, 04:47 PM
Replies: 87
Views: 16,131
Posted By chojn1

It is already available as SRAM 12 speed xx1 and...

It is already available as SRAM 12 speed xx1 and xx0 groupset.

If you run a 48t front chainring with a 10-50 cassette you would get a wider range than you get with your current double setup.
...
Forum: Tandem Cycling
07-13-16, 06:37 AM
Replies: 87
Views: 16,131
Posted By chojn1

Because of the large gear change, shifting of the...

Because of the large gear change, shifting of the front derailleurs on a road tandem is problematic regardless if it is done manually or through synchro-shift. Synchro-shift does nothing to change...
Forum: Tandem Cycling
07-13-16, 06:14 AM
Replies: 9
Views: 3,016
Posted By chojn1

Why not just change out your chain ring and...

Why not just change out your chain ring and adjust your front derailleur accordingly.
Get a 36t 74bcd inner ring.
Move your 52t large chain ring to the middle position.
Adjust your front...
Forum: Tandem Cycling
07-11-16, 10:12 AM
Replies: 87
Views: 16,131
Posted By chojn1

Shimano is pretty good about giving you those...

Shimano is pretty good about giving you those choices. The question is if the synchro shift is worth the extra expense of the upgrade for limited benefit. No use paying extra for something you...
Forum: Tandem Cycling
07-11-16, 09:52 AM
Replies: 87
Views: 16,131
Posted By chojn1

Shimano went out of their way to break...

Shimano went out of their way to break compatibility between the two ultegra groups. I doubt very much that they will ever reverse course and offer more choices.
Forum: Tandem Cycling
07-07-16, 07:03 AM
Replies: 25
Views: 6,304
Posted By chojn1

I finally got around to re-covering my old Terry...

I finally got around to re-covering my old Terry saddle. Took about 30 minutes per DrMarkR's instruction. Thought I would post a follow up.

530191
Forum: Tandem Cycling
07-07-16, 06:21 AM
Replies: 87
Views: 16,131
Posted By chojn1

As far as the "semi synchronized" shifting, how...

As far as the "semi synchronized" shifting, how hard is it to remember to double tap the right hand buttons every time you tap the left?
Forum: Tandem Cycling
07-01-16, 08:45 AM
Replies: 21
Views: 1,670
Posted By chojn1

This is my second set: 529611 They are...

This is my second set:

529611

They are fiberglass/carbon fiber shell over a foam core.
Nice pretty and light, but more complicated to build and scratches very easily.
I made the mistake of...
Forum: Tandem Cycling
07-01-16, 08:40 AM
Replies: 21
Views: 1,670
Posted By chojn1

You should not have any problem building your...

You should not have any problem building your own. Here is my first attempt:

529610

If my memory is correct, it took a couple of days and cost less than 50 bucks.
They are 1/4in plywood. ...
Forum: Tandem Cycling
07-01-16, 06:28 AM
Replies: 21
Views: 1,670
Posted By chojn1

Ever thought about building your own cases? It...

Ever thought about building your own cases? It is not that hard to do and can be dirt cheap.
Forum: Tandem Cycling
07-01-16, 06:22 AM
Replies: 30
Views: 8,802
Posted By chojn1

I think you use your tandem enough to justify...

I think you use your tandem enough to justify buying a nice new one in your favorite color.
You will enjoy any of the options you mentioned given your requirements. While the feel maybe a little...
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