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Search: Posts Made By: preventec47
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12-17-20, 07:16 PM
Replies: 29
Views: 970
Posted By preventec47

John, you are correct. I have not had the bike...

John, you are correct. I have not had the bike very long and was not familiar with the individual parts etc. Apparently the previous owner(s)
had done some upgrades to the bike. Here is the...
12-16-20, 03:51 PM
Replies: 29
Views: 970
Posted By preventec47

Yes of course, I need to think it through. It...

Yes of course, I need to think it through. It is mostly not how much money I have to spend but as I said earlier if I wind up putting a lot into the bike at expensive parts prices and labor etc...
12-16-20, 03:46 PM
Replies: 29
Views: 970
Posted By preventec47

I am a cheapskate but the guys in the TDF race...

I am a cheapskate but the guys in the TDF race were not. WHY did they only use one shifter on the bars ? What does BITD mean ?
12-16-20, 03:42 PM
Replies: 29
Views: 970
Posted By preventec47

Thanks for that historical link. Based upon...

Thanks for that historical link. Based upon serial number I have determined my Trek 1000 is a 1990 model. Some of the components
have been upgraded and as it sits fully ready to ride it weighs 23...
12-16-20, 09:14 AM
Replies: 29
Views: 970
Posted By preventec47

Ok many thanks for the help. So I get shifter...

Ok many thanks for the help. So I get shifter boss adjusters and micro shift shifter ( I only want to do the rear gears setup as I rarely even in hilly areas use the front deraiuler
and I will...
12-16-20, 04:56 AM
Replies: 29
Views: 970
Posted By preventec47

Moving shifter from downtube to handlebars in 1995 bike?

I have an old classic TREK 1000 with 7 sprocket cassette with friction shifter levers on the downtube. The bike is a great rider but having to reach way
down to shift gears in some situations is...
11-15-20, 09:27 PM
Replies: 14
Views: 591
Posted By preventec47

I would like to build my own bike repair stand 2x4's etc

If possible I would like to buy only the metal clamp for the top metal cross bar of the bike unless I could somehow modify or fabricate
from something else like a C-clamp or Vise Grip pliers etc. ...
11-08-20, 06:54 AM
Replies: 7
Views: 1,244
Posted By preventec47

I plan to continue to ride with stokers most of...

I plan to continue to ride with stokers most of the time but if I had an occasion to need to haul cargo then being able to "convert" my bike would be pretty cool.
Getting two for one so to speak in...
11-05-20, 08:49 PM
Replies: 7
Views: 1,244
Posted By preventec47

No I am not thinking of expanding the wheelbase...

No I am not thinking of expanding the wheelbase of a tandem, I am just recognizing that the second seat is already a cargo position of sorts in that the cargo is a passenger. If I can change the...
11-05-20, 08:35 PM
Replies: 20
Views: 2,159
Posted By preventec47

If you ever have to declare an emergency with...

If you ever have to declare an emergency with your brakes you can jam the bottom of your shoe onto the top of your front tire right behind the forks and modulate the
pressure quite well as needed. ...
11-05-20, 08:24 PM
Replies: 20
Views: 2,159
Posted By preventec47

Thank you LV2TNDM...

Thank you LV2TNDM (https://www.bikeforums.net/members/lv2tndm-28877.html) that all sounds very encouraging. I was beginning to have 2nd thoughts about buying my tandem mountain bike but I have...
11-04-20, 05:43 PM
Replies: 25
Views: 2,541
Posted By preventec47

Just to clarify., it sounded like you took your...

Just to clarify., it sounded like you took your 11=34 cassette and replaced the 34 gear with a 36 gear. I did not know that was possible. Do you or not have to swap out
entire cassettes at a time ?...
11-04-20, 05:26 PM
Replies: 31
Views: 1,198
Posted By preventec47

I have a bike where one of the nuts that holds...

I have a bike where one of the nuts that holds the crank arms on would begin to loosen up on the tapered square nub sticking out of the bottom bracket. Then the arm would have a teeny small amount...
11-04-20, 03:15 PM
Replies: 38
Views: 1,622
Posted By preventec47

Thanks for that info about the cable stops. I...

Thanks for that info about the cable stops. I never knew how you could upgrade old bikes to newer shifting methods. That saves having to replace the derailers
and sprockets and probably new rear...
11-04-20, 03:01 PM
Replies: 38
Views: 1,622
Posted By preventec47

Ironfish... You hit bullseye ! Absolutely, ...

Ironfish... You hit bullseye ! Absolutely, all you have to do is go to Craigslist to see hundreds of used bikes ready to ride with no work at all. My problem
is not knowing which are...
11-04-20, 02:05 PM
Replies: 15
Views: 679
Posted By preventec47

Now that I think about it, I think when I...

Now that I think about it, I think when I acquired a bunch of components to build my tandem in around 2001 and 2002, I seem to recall that some of them
were used. I met a guy who was upgrading...
11-04-20, 08:30 AM
Replies: 21
Views: 2,207
Posted By preventec47

There are certainly a lot of different opinions...

There are certainly a lot of different opinions here about riding solo, but In my recent experience I would say that any solo rider on a tandem can stop shorter
than any single bike rider both with...
11-04-20, 08:09 AM
Replies: 21
Views: 2,207
Posted By preventec47

I cannot quite understand how this can be since a...

I cannot quite understand how this can be since a stoker in the rear is far heavier than most groceries and you say provides the stability. not arguing just
seems to be contradictory in a way. ...
11-04-20, 01:47 AM
Replies: 38
Views: 1,622
Posted By preventec47

I agree 100 percent. I was just commenting on a...

I agree 100 percent. I was just commenting on a very light bike that I ran across and converting to what could be "safely" used by a below average skilled rider.
In my opinion it is very unsafe...
11-04-20, 01:34 AM
Replies: 38
Views: 1,622
Posted By preventec47

I am not familiar with luggage scales. I assume...

I am not familiar with luggage scales. I assume you set the scales on the floor and lay the luggage on it and see the weight. Is that really
any different than floor bathroom scales ? I was...
11-03-20, 07:00 PM
Replies: 38
Views: 1,622
Posted By preventec47

Shelby, I have used that phrase before with...

Shelby, I have used that phrase before with friends and it has never worked out well. But you got me there as for all the advantages of heavy bikes, I cannot assert that they are easier for...
11-03-20, 06:47 PM
Replies: 38
Views: 1,622
Posted By preventec47

Certainly reasonable requests..... under ordinary...

Certainly reasonable requests..... under ordinary circumstances.... i hope no women are reading this but I am dealing with a woman here complaining that
her steel tube hybred (has brand name but i...
11-02-20, 06:31 AM
Replies: 8
Views: 507
Posted By preventec47

If my crank arms say Shimano on them , I can...

If my crank arms say Shimano on them , I can reasonably assume that my ring gears are Shimano compatible. Right ? I want to get a smaller ring gear than the
current small ring gear which is 26...
11-02-20, 06:18 AM
Replies: 278
Views: 8,385
Posted By preventec47

QUOTE: "But that equation can only be equated...

QUOTE: "But that equation can only be equated to speed through the air if the air is still."

Maybe it will help to realize that there is no such thing as still air as movement is always...
11-01-20, 07:12 PM
Replies: 38
Views: 1,622
Posted By preventec47

One difference between you and me is that after...

One difference between you and me is that after seeing your useless statement which for some reason you are sorry for, I feel no need to state the obvious. No apologies offered. I suggest you...
11-01-20, 01:31 AM
Replies: 38
Views: 1,622
Posted By preventec47

How to shop for light weight bikes ?

I was asked by a lady friend who has to transport her bike to and from the trail by removing front wheel and putting in her SUV how or where
to buy a lighter bike so it is easier for her to load and...
10-31-20, 01:22 PM
Replies: 25
Views: 1,056
Posted By preventec47

I hope you are wrong as I recently ordered and...

I hope you are wrong as I recently ordered and received two Schwalbe Marathon Plus tires which they say has the most durability and reliability built in.
I have not mounted/installed them yet . I...
10-30-20, 02:37 PM
Replies: 3
Views: 717
Posted By preventec47

nicely designed chain tensioner for bottom tubes ?

My bottom tube is 2 inches in diameter and I wish I could find a quality component that would raise the chain a bit to help clear obstructions and
minimize chain jumps off the timing sprockets.
...
10-30-20, 10:11 AM
Replies: 278
Views: 8,385
Posted By preventec47

A commonly known constant in aviation is that the...

A commonly known constant in aviation is that the aerodynamic drag increases by the cube of the speed. ie 20mph requires eight ( 8 ) times the
power to overcome the drag at 10 mph. 40 mph...
10-30-20, 09:00 AM
Replies: 278
Views: 8,385
Posted By preventec47

I bet we could probably learn a lot about heavy...

I bet we could probably learn a lot about heavy bikes from those guys who drive bicycle taxis in various parts of the world. I am no specially skilled rider
but I have a tandem bike and I give...
10-30-20, 06:23 AM
Replies: 30
Views: 1,203
Posted By preventec47

GOODWILL STORES and other 2nd hand outlets. I...

GOODWILL STORES and other 2nd hand outlets. I see kids bikes there in perfect order for ten, fifteen, and twenty dollars all the time.
I wish i knew some kids to give them to that do not already...
10-28-20, 05:24 PM
Replies: 25
Views: 2,541
Posted By preventec47

Would you please share what ever special...

Would you please share what ever special equipment or technique that lets those extreme ratios work ? Did you get the bike that way or did you have to modify it ?
10-28-20, 01:42 PM
Replies: 7
Views: 1,244
Posted By preventec47

Thinking about pickup truck conversion for tandem

I was looking at some cargo bike examples and I felt like I could design a bed carrier that would mount into the stoker seatpost after removing the seat and
on the sides connect somehow to the chain...
10-27-20, 04:13 PM
Replies: 21
Views: 2,207
Posted By preventec47

Do many ride often or enjoy riding their tandem SOLO ?

I've just put mine back on the road after about 15 years and maybe it is old age but riding and testing it solo is pleasurable kind of like me of riding in a limousine
compared to sports car, ...
10-27-20, 03:50 PM
Replies: 20
Views: 2,159
Posted By preventec47

What is the ( or your) difference in definition...

What is the ( or your) difference in definition of road bike with wide tires and actual mountain bike ? I am kind of thinking drop race handlebars vs straight bars with a more upright position.. Or...
10-26-20, 03:08 AM
Replies: 11
Views: 1,238
Posted By preventec47

After doing a good bit of googling and research, ...

After doing a good bit of googling and research, it appears that the price of the 48 hole front tandem hubs from the exotic tandem specialists cost about the
same as 48 hole hubs that have electric...
10-26-20, 03:02 AM
Replies: 11
Views: 1,238
Posted By preventec47

Aside from carbon fiber, there have been no new...

Aside from carbon fiber, there have been no new improvements ( that I know of) in either the design or metalurgy regarding rims and spokes and hubs in the last 25 years so I dont really know why 40...
10-26-20, 02:53 AM
Replies: 25
Views: 2,541
Posted By preventec47

With the advent of new 10, 11, and 12 cassettes, ...

With the advent of new 10, 11, and 12 cassettes, I am seeing a one or two ring reduction in the front sprocket set at least with road bikes...... and even a little bit with
mountain bikes. I am...
10-26-20, 02:40 AM
Replies: 26
Views: 857
Posted By preventec47

Yea I am with you all the way.... i was just...

Yea I am with you all the way.... i was just trying to inject a little humor which apparently wasnt so obvious. So how about letting the stoker
watch a mini TV ? ? ? or with an inverter...
10-26-20, 02:27 AM
Replies: 26
Views: 857
Posted By preventec47

I was hoping someone here already had it all...

I was hoping someone here already had it all figured out but if we have to figure it out, I think the best plan would include a battery that is catching all the generated electricity and then can...
10-26-20, 02:19 AM
Replies: 20
Views: 2,159
Posted By preventec47

I can see right away that when if-when I do it, ...

I can see right away that when if-when I do it, it will be mandatory tennis shoes and plain pedals just like when I was a kid on my stingray banana seat.
10-25-20, 08:41 PM
Replies: 15
Views: 679
Posted By preventec47

My mistake, I just now learned what STI meant. I...

My mistake, I just now learned what STI meant. I thought Sexually Transmitted Infection :-) or some other brand-mfgr etc. Now that I learned STI means "Shimano
Technology Integration" IS THAT RIGHT...
10-25-20, 08:34 PM
Replies: 26
Views: 857
Posted By preventec47

But you cant really entertain a crowd like you...

But you cant really entertain a crowd like you can with the boom box. Besides on the trails they can hear you coming from far away
and it becomes a safety strategy.
10-25-20, 08:31 PM
Replies: 20
Views: 2,159
Posted By preventec47

Is off road and trail riding a good idea for tandems ?

I could get very excited about riding tandems off pavement but I worry about the loss of control-ability and recoverability if -when you
encounter some unexpected technical obstacles or just trying...
10-25-20, 08:19 PM
Replies: 26
Views: 857
Posted By preventec47

Anyone using the generators built into the front hubs ?

I read up on two different brands today for around $300 and you get 3 watts of juice. I dont really know what you can do with 3 watts but todays LED lights
dont need much electricity at all. ...
10-25-20, 08:14 PM
Replies: 11
Views: 1,356
Posted By preventec47

I am curious re the Magura Hydraulic Rim...

I am curious re the Magura Hydraulic Rim brakes.... When the pads wear, are they self adjusting or does the space between the pads and the rim steadily get bigger as the pads wear until you replace...
10-25-20, 07:37 PM
Replies: 25
Views: 2,541
Posted By preventec47

I dont know anything about a "chain catcher" but...

I dont know anything about a "chain catcher" but now I know I want one :-) Please do share some details and where to get and how to install etc..
10-25-20, 07:28 PM
Replies: 48
Views: 1,711
Posted By preventec47

TWO needed products... 1.. A helmet with...

TWO needed products...
1.. A helmet with some kind of screen that can be looked at up and to the side with a lens that will show the display of a camera that is pointed
to the rear of your bike....
10-25-20, 07:17 PM
Replies: 48
Views: 1,711
Posted By preventec47

In the year 2005 I was in a pack of 5 riders...

In the year 2005 I was in a pack of 5 riders tailgating each other going down a hill about 30 mph and the 2nd riders front wheel touched the rear wheel of the leader and there was a terrible pileup. ...
10-25-20, 01:52 PM
Replies: 25
Views: 2,541
Posted By preventec47

22 small ring gear ! I just ran across the...

22 small ring gear !
I just ran across the SALSA POWDERKEG Tandem on the SALSA website and it has (SHOCKINGLY to me) a rear cassette of 11-36 and a front triple ring of 44-33-22

Thats right ...
Showing results 1 to 50 of 115
 


 
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