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Search: Posts Made By: Kontact
Showing results 1 to 50 of 1000
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Forum: Bicycle Mechanics
05-13-24, 10:35 AM
Replies: 8
Views: 139
Posted By Kontact

You'll need to refer to the BB instructions that...

You'll need to refer to the BB instructions that match your chosen crank model. Road bikes are never 73.
Forum: Bicycle Mechanics
05-13-24, 06:58 AM
Replies: 11
Views: 126
Posted By Kontact

Raise the seat to expose more post.

Raise the seat to expose more post.
Forum: Classic & Vintage
05-13-24, 06:33 AM
Replies: 18
Views: 435
Posted By Kontact

Those are clearly Stronglight cranks.

Those are clearly Stronglight cranks.
Forum: Road Cycling
05-13-24, 06:30 AM
Replies: 27
Views: 330
Posted By Kontact

That worked because the .2mm difference between...

That worked because the .2mm difference between Campy and Shimano 8 speed spacing isn't significant compared to how wide the cogs are spaced. I have used Shimano 7 speed shifters on Shimano 8 speed...
Forum: Road Cycling
05-13-24, 06:27 AM
Replies: 27
Views: 330
Posted By Kontact

You said it had something to do with MTB...

You said it had something to do with MTB components, and I don't get that. MTB index front derailleurs never had the same pull ratio as road index front derailleurs. Road index front derailleurs are...
Forum: Classic & Vintage
05-12-24, 09:09 PM
Replies: 28
Views: 15,685
Posted By Kontact

Isn't this the OP?

Isn't this the OP?
Forum: Bicycle Mechanics
05-12-24, 08:43 PM
Replies: 2
Views: 72
Posted By Kontact

You'll find the front derailleur isn't going to...

You'll find the front derailleur isn't going to shift correctly. You'll need a flatbar front derailleur like a CX series.
Forum: Classic & Vintage
05-12-24, 08:36 PM
Replies: 28
Views: 15,685
Posted By Kontact

This guy has some....

This guy has some....
Forum: Bicycle Mechanics
05-12-24, 07:49 PM
Replies: 8
Views: 139
Posted By Kontact

https://www.universalcycles.com/shopping/product_d...

https://www.universalcycles.com/shopping/product_details.php?id=29424&attribute=67273&gad_source=1&gclid=CjwKCAjw0YGyBhByEiwAQmBEWlppQQ_qPfHa--NndgmUSSMiGqPFhYxy1mEbVF4bGwuDFpHRgh7U7RoC0V0QAvD_BwE
...
Forum: Road Cycling
05-12-24, 07:42 PM
Replies: 27
Views: 330
Posted By Kontact

The first brifter was 1989 Dura Ace, and that FD...

The first brifter was 1989 Dura Ace, and that FD did not have the long geometry of the Sante, Ultegra, 105 and Exage derailleurs. When other brifters came out, they kept the DA FD pull ratio.
Forum: Bicycle Mechanics
05-12-24, 05:42 PM
Replies: 43
Views: 643
Posted By Kontact

With the sprung front shifter, Ultegras are...

With the sprung front shifter, Ultegras are legitimately the nicest index levers around.

But Kelly's with Simplex Retrofriction and the right RD could work well.
Forum: Classic & Vintage
05-12-24, 05:27 PM
Replies: 18
Views: 435
Posted By Kontact

I don't see anything wrong with putting a rack on...

I don't see anything wrong with putting a rack on a steel framed racing bike using a brake mount and with QR brackets or P-clips.
Forum: Bicycle Mechanics
05-12-24, 04:37 PM
Replies: 21
Views: 406
Posted By Kontact

You could also wear thick soled shoes instead of...

You could also wear thick soled shoes instead of raising your saddle.
Forum: Bicycle Mechanics
05-12-24, 04:35 PM
Replies: 14
Views: 215
Posted By Kontact

Don't grind it. That will damage the matrix. Use...

Don't grind it. That will damage the matrix. Use a diamond saw or a well worn metal hack saw.
Forum: Road Cycling
05-12-24, 04:26 PM
Replies: 27
Views: 330
Posted By Kontact

Actually, that's what I was referring to. Those...

Actually, that's what I was referring to. Those angled shifting derailleurs were designed for friction shifters and used more cable than previous and later designs. When Shimano came up with brifters...
Forum: Bicycle Mechanics
05-12-24, 04:17 PM
Replies: 85
Views: 1,849
Posted By Kontact

The wax can't get above its own melting point...

The wax can't get above its own melting point until it is all melted. If you remove it when melted, it will be no greater than 190 degrees. Whether the water is boiling or not when this happens will...
Forum: Road Cycling
05-12-24, 02:54 PM
Replies: 27
Views: 330
Posted By Kontact

I am the opposite. I have always had indexed...

I am the opposite. I have always had indexed bikes, and experimenting with excellent friction shifters and hyperglide has made me appreciate how well a modern friction set up can work.
Forum: Classic & Vintage
05-12-24, 02:51 PM
Replies: 18
Views: 435
Posted By Kontact

Not to me. Unless Gios are much more valuable...

Not to me. Unless Gios are much more valuable than I am aware of, I don't see how a bike of that era without a full Campagnolo group would be worth that much, especially in that small size.

And...
Forum: Bicycle Mechanics
05-12-24, 02:10 PM
Replies: 43
Views: 643
Posted By Kontact

Spot on. Thank you for the correction.

Spot on. Thank you for the correction.
Forum: Road Cycling
05-12-24, 02:08 PM
Replies: 27
Views: 330
Posted By Kontact

Aside from the fact that it is a pre-index...

Aside from the fact that it is a pre-index derailleur and will be very hard to get it to index even with the right throw.

I have often been surprised what works. I have a Nuovo Gran Sport from the...
Forum: Road Cycling
05-12-24, 01:56 PM
Replies: 27
Views: 330
Posted By Kontact

I think it is possible you might not need to. The...

I think it is possible you might not need to. The cable arm on that old 6200 derailleur is similar to the SRAM length.
Forum: Road Cycling
05-12-24, 01:54 PM
Replies: 27
Views: 330
Posted By Kontact

I don't follow. Road actuation ratio hasn't...

I don't follow. Road actuation ratio hasn't changed since the late '80s until 11 speed. Mountain ratio for the FD has been different since the '80s. The road front only changed with 11.
Forum: Road Cycling
05-12-24, 01:46 PM
Replies: 27
Views: 330
Posted By Kontact

That's a rear derailleur. We're currently talking...

That's a rear derailleur. We're currently talking about front derailleurs.

https://cimg8.ibsrv.net/gimg/bikeforums.net-vbulletin/1600x1348/image_8ccd0032f2bf2f9c1f3d7ee0de2dbd1efdad5595.png
Forum: Classic & Vintage
05-12-24, 01:16 PM
Replies: 18
Views: 435
Posted By Kontact

You said "I am probably closer to 55", so I...

You said "I am probably closer to 55", so I thought you were saying that is your size. But I see the OP says 5'5".

You can make a 48 work, but usually it will still feel weird, even with the...
Forum: Road Cycling
05-12-24, 01:12 PM
Replies: 27
Views: 330
Posted By Kontact

I think you'll find SRAM FDs are closer to older...

I think you'll find SRAM FDs are closer to older Shimano designs, while current Shimano FDs have very long arms.

But it's a good example of what is going on with actuation ratios.
Forum: Road Cycling
05-12-24, 01:09 PM
Replies: 100
Views: 2,947
Posted By Kontact

I'm not concerned that they marketed the weight...

I'm not concerned that they marketed the weight heavily. I just want to know how a computer based product could have an error of this magnitude. It isn't like its just a typo - the weight fits into...
Forum: Classic & Vintage
05-12-24, 12:49 PM
Replies: 18
Views: 435
Posted By Kontact

I ride a 50/51 and have had 49s that felt weird....

I ride a 50/51 and have had 49s that felt weird. If you ride a 55, don't buy this. The price is due to the odd size.

If you want an old Gios in your size, cast a wide net (CC, facebook, forums,...
Forum: Early Brifter Bikes - 7,8, and 9 Speed
05-12-24, 12:00 PM
Replies: 4
Views: 381
Posted By Kontact

3TTT bars were made to the 26.0 standard, rather...

3TTT bars were made to the 26.0 standard, rather than 25.4 or 26.4.
Forum: Bicycle Mechanics
05-12-24, 11:55 AM
Replies: 85
Views: 1,849
Posted By Kontact

If you follow these directions exactly using...

If you follow these directions exactly using boiling water, if you take the bag out when then wax melts and not much more than that, the wax temperature will be the melting point of the wax, not the...
Forum: Road Cycling
05-12-24, 11:40 AM
Replies: 100
Views: 2,947
Posted By Kontact

At that price per pound, Trek owes the OP $3500!

At that price per pound, Trek owes the OP $3500!
Forum: Road Cycling
05-12-24, 10:43 AM
Replies: 9
Views: 175
Posted By Kontact

The second side "shrinks" because the first side...

The second side "shrinks" because the first side takes advantage of the center channel in the rim and the second side can't do that as much.
Forum: Bicycle Mechanics
05-12-24, 10:37 AM
Replies: 1
Views: 66
Posted By Kontact

Whatever crank works with a 73mm wide BB shell...

Whatever crank works with a 73mm wide BB shell and has bottom bracket available for English threads.

There are thousands of cranks that meet those criteria, so the above is the information you...
Forum: Bicycle Mechanics
05-12-24, 10:33 AM
Replies: 27
Views: 485
Posted By Kontact

One of the biggest barriers I have found to...

One of the biggest barriers I have found to working on stuff is a lack of empathy. Every part on a bike was designed to work a certain way by a human being that knew their business. Yet many wannabe...
Forum: Road Cycling
05-12-24, 10:29 AM
Replies: 9
Views: 175
Posted By Kontact

With the right amount of air in the tube, it will...

With the right amount of air in the tube, it will keep out the way of pinching and won't fight you getting the last bit of bead on. It is about as much air as you can blow in with your lungs.
Forum: Bicycle Mechanics
05-12-24, 10:25 AM
Replies: 43
Views: 643
Posted By Kontact

There is only one size of road bar clamps for...

There is only one size of road bar clamps for nice bikes - 23.8mm.

Are you asking where to get the correct parts for the model brake lever you have?
Forum: Road Cycling
05-12-24, 10:20 AM
Replies: 27
Views: 330
Posted By Kontact

The rear derailleur translates an amount of cable...

The rear derailleur translates an amount of cable pull into an amount of lateral shift movement. That is called the actuation ratio. Your 600 derailleur has a ratio about double that of your SRAM...
Forum: Road Cycling
05-12-24, 10:07 AM
Replies: 27
Views: 330
Posted By Kontact

Sure. You'll need a SRAM 10 or 11 road rear...

Sure. You'll need a SRAM 10 or 11 road rear derailleur as well. You might not need a different front derailleur.
Forum: Road Cycling
05-12-24, 09:43 AM
Replies: 100
Views: 2,947
Posted By Kontact

Not to sound too dramatic, but which advertising...

Not to sound too dramatic, but which advertising lies would you stress over? Bike companies make all sorts of claims about the engineering and safety of their products, which ones are okay for them...
Forum: Bicycle Mechanics
05-12-24, 07:58 AM
Replies: 43
Views: 643
Posted By Kontact

I'm talking about the type of lever, not that it...

I'm talking about the type of lever, not that it is mounted on the downtube. Like the Genevalle levers, the top mounts or the Kelly's.
Forum: Bicycle Mechanics
05-12-24, 07:56 AM
Replies: 85
Views: 1,849
Posted By Kontact

I don't see how agitating is going to do anything...

I don't see how agitating is going to do anything but get the water off the bottom and onto the chain. How is half a millimeter of water going to affect the internals of the chain?
Forum: Bicycle Mechanics
05-11-24, 11:22 PM
Replies: 43
Views: 643
Posted By Kontact

I don't know if the main lever throw of a Shimano...

I don't know if the main lever throw of a Shimano brifter is actually easier to deal with than the throw of downtube lever.
Forum: Classic and Vintage Bicycles: Whats it Worth? Appraisals.
05-11-24, 11:14 PM
Replies: 6
Views: 208
Posted By Kontact

That's a 3.0 frame, first introduced in 1989....

That's a 3.0 frame, first introduced in 1989. That's probably 90 or 91. Aluminum fork and thin seat stays - I had one for 20 years and it rode much nicer than the preceding '80s models due to those...
Forum: Bicycle Mechanics
05-11-24, 10:48 PM
Replies: 14
Views: 317
Posted By Kontact

It sounds like the rim really has a max rider...

It sounds like the rim really has a max rider weight based on pressure. But it would have been better if they stated it that way instead of having the same PSI max from 180 to 240 lbs.
Forum: Bicycle Mechanics
05-11-24, 10:31 PM
Replies: 85
Views: 1,849
Posted By Kontact

It doesn't boil off, but the wax does displace...

It doesn't boil off, but the wax does displace water and it drops to the bottom of the pot.
Forum: Road Cycling
05-11-24, 09:18 PM
Replies: 100
Views: 2,947
Posted By Kontact

If you have already made a tradeoff in weight for...

If you have already made a tradeoff in weight for some other feature, why would anyone be content with a somewhat heavy bike being much heavier?

Trek could market this bike as something that makes...
Forum: Bicycle Mechanics
05-11-24, 09:10 PM
Replies: 43
Views: 643
Posted By Kontact

Kelly Take Offs also allow the use of any...

Kelly Take Offs also allow the use of any downtube shifter:
https://cimg7.ibsrv.net/gimg/bikeforums.net-vbulletin/278x278/image_97953077f1704e6724965fde5f14fac0f2539bbe.png

I have a pair - they...
Forum: Bicycle Mechanics
05-11-24, 05:31 PM
Replies: 15
Views: 226
Posted By Kontact

At this point you can choose to hone the seat...

At this point you can choose to hone the seat tube to accommodate this post, or decide that the frame works very well with most other posts and move on from the Ti one. You may get to a point where...
Forum: Bicycle Mechanics
05-11-24, 04:40 PM
Replies: 15
Views: 226
Posted By Kontact

You're rude and frequently wrong. Get those...

You're rude and frequently wrong.

Get those three beers in the mail yet?
Forum: Bicycle Mechanics
05-11-24, 02:18 PM
Replies: 15
Views: 226
Posted By Kontact

Cannondale never made a 27.0 bike, but if an...

Cannondale never made a 27.0 bike, but if an undersized post made it into the frame, the result is not going to be solved by reaming. So it is far better to know what happened by checking the old...
Forum: Bicycle Mechanics
05-11-24, 02:08 PM
Replies: 27
Views: 479
Posted By Kontact

Given that the T11 hub has a bearing play...

Given that the T11 hub has a bearing play adjustment, I have to wonder if it was adjusted incorrectly at some point.
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