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Search: Posts Made By: oldbobcat
Showing results 1 to 50 of 204
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02-02-23, 08:04 PM
Replies: 14
Views: 504
Posted By oldbobcat

Some people just want to talk.

Some people just want to talk.
01-28-23, 12:49 PM
Replies: 29
Views: 898
Posted By oldbobcat

I was being facetious. Any modification to a...

I was being facetious. Any modification to a carbon steerer besides cutting off the excess off the top is tempting disaster. Just don't do it.
01-27-23, 06:37 PM
Replies: 12
Views: 326
Posted By oldbobcat

Because they were never properly tightened in the...

Because they were never properly tightened in the first place?
01-27-23, 06:13 PM
Replies: 3
Views: 159
Posted By oldbobcat

Maybe it's the pawls holding it back. The click...

Maybe it's the pawls holding it back. The click is when the pawls lock in, so try twisting and holding it between clicks when you pull.
01-26-23, 05:25 PM
Replies: 14
Views: 504
Posted By oldbobcat

I don't know how you're sitting on the Litespeed....

I don't know how you're sitting on the Litespeed. But generally, an "endurance" road bike, with a longer head tube, shorter top tube, and slacker steering axis, can serve as your last stop before...
01-21-23, 06:49 PM
Replies: 7
Views: 285
Posted By oldbobcat

Jeez, how did we ever fit ourselves before power...

Jeez, how did we ever fit ourselves before power meters? Maybe your saddle is crooked, bent, or too high, maybe your hip alignment is crooked, maybe one leg is shorter than the other, maybe your...
01-21-23, 06:34 PM
Replies: 19
Views: 468
Posted By oldbobcat

After two replacement hoses, countless...

After two replacement hoses, countless replacement head washers, and 50 years of service, I replaced mine with an orange one by Serfas. The gauge stopped working after a couple years. They replaced...
01-21-23, 06:30 PM
Replies: 69
Views: 2,183
Posted By oldbobcat

Personally, the spoke protector is the second...

Personally, the spoke protector is the second thing I remove from my own new bike, after reflectors, especially the ones in the spokes. But if you elect to keep yours, fair enough. But if it does...
01-14-23, 09:44 PM
Replies: 7
Views: 343
Posted By oldbobcat

It might be that changing the back angle was...

It might be that changing the back angle was calling into play muscles your body hadn't had the time to learn to use. There's a acclimatization period that goes with any change in posture.
01-12-23, 11:26 PM
Replies: 37
Views: 784
Posted By oldbobcat

Point well taken. Thanks. I was out of the...

Point well taken. Thanks. I was out of the equipment loop as 8-speed was coming around, and relying on what the guys I worked with were telling me ten years after the fact.
01-12-23, 11:54 AM
Replies: 10
Views: 269
Posted By oldbobcat

Ask the guy who built it. Surely he must know.

Ask the guy who built it. Surely he must know.
01-05-23, 08:58 PM
Replies: 6
Views: 307
Posted By oldbobcat

There's nothing wrong with the green grease on...

There's nothing wrong with the green grease on the spindle or on the inner bearing sleeve. It's mainly for preventing corrosion and facilitating disassembly. The spindle should turn the bearing, not...
12-31-22, 12:13 AM
Replies: 22
Views: 465
Posted By oldbobcat

For every rear derailleur I worked on, loosening...

For every rear derailleur I worked on, loosening the B-screw is how you get the jockey wheel closer to the cogs. Are you using the same cassette?

As for chain length, I've found that shorter...
12-22-22, 11:07 AM
Replies: 22
Views: 529
Posted By oldbobcat

You might want to move your cleats back a bit and...

You might want to move your cleats back a bit and lower the saddle a couple millimeters to compensate. You might be riding toes-down to because the saddle is too high, to shorten the force arm of...
12-21-22, 09:52 PM
Replies: 85
Views: 3,740
Posted By oldbobcat

"Died while doing something he loved" is cold...

"Died while doing something he loved" is cold comfort. I am sorry for these deaths and your losses.

My last collision with a car was low impact, low speed, and minimal damage. The driver was...
12-21-22, 05:19 PM
Replies: 6
Views: 277
Posted By oldbobcat

A 60 or 61 is going to have a longer top tube,...

A 60 or 61 is going to have a longer top tube, requiring a shorter stem. The combination of a shorter stem and more upright position will put your center of gravity in the back seat, and a road bike...
12-19-22, 07:54 PM
Replies: 24
Views: 797
Posted By oldbobcat

I'm hardly a Grant Peterson fanboy, but if you...

I'm hardly a Grant Peterson fanboy, but if you made a Venn diagram of his preferences against my preferences, this bike would fill the intersection. Would I change anything? Toeclips and straps, or...
12-08-22, 02:50 PM
Replies: 40
Views: 1,299
Posted By oldbobcat

With modern dual-control levers and flat-on-top,...

With modern dual-control levers and flat-on-top, curved-on-the bottom handlebar bends, it's pretty difficult to find a really unsuitable handlebar. We all have our preferences. but I say as long as...
12-04-22, 11:41 AM
Replies: 60
Views: 2,218
Posted By oldbobcat

I worked at a Walmart for a few months. Customers...

I worked at a Walmart for a few months. Customers would return these bikes for myriad reasons--slipping handlebars and seatposts, shifting problems, brake problems, broken cranks, wheels out of true,...
11-24-22, 10:25 PM
Replies: 23
Views: 576
Posted By oldbobcat

Yeah, Shimano makes banded direct-mount adapters,...

Yeah, Shimano makes banded direct-mount adapters, but you'd still have to buy a new 6800 or 8000 direct mount front derailleur. And even if it does reach, if the chainline is wrong, it will never be...
11-24-22, 11:31 AM
Replies: 23
Views: 576
Posted By oldbobcat

You don't want to open another can of worms with...

You don't want to open another can of worms with MTB derailleur compatibility with your STI levers. I'd recommend chucking the whole 6800/FSA mix and buy a full GRX kit before you go throwing in MTB...
11-23-22, 10:54 PM
Replies: 23
Views: 576
Posted By oldbobcat

Presumably, this is a road bike. Yes or no? FSA...

Presumably, this is a road bike. Yes or no? FSA Gossamer came in two spindle configurations, 24 mm and 30 mm. Which one is it? Bearings for these spindles can be either press-fit or outboard...
Forum: Road Cycling
11-23-22, 08:33 PM
Replies: 46
Views: 1,674
Posted By oldbobcat

Here we go again. I've been riding drop bar bikes...

Here we go again. I've been riding drop bar bikes for over 50 years, but I can't tell you whether you're going to like it or not, only that the new bikes are more comfortable and easier to use.

Go...
Forum: Road Cycling
11-23-22, 11:25 AM
Replies: 67
Views: 3,060
Posted By oldbobcat

No, just a lot lighter and stronger 50 years ago....

No, just a lot lighter and stronger 50 years ago. I think that's understandable. A 2x7 friction drivetrain with a bottom gear of 42/24 doesn't get me where I want to go anymore. And clipless pedals,...
11-23-22, 11:11 AM
Replies: 59
Views: 1,334
Posted By oldbobcat

It's a 35 year-old price-point step-through...

It's a 35 year-old price-point step-through "mountain bike" being ridden as a commuter. Maintain it, ride it, enjoy it, or buy a new bike. There is nothing worth upgrading here.It already has a nice...
11-23-22, 10:58 AM
Replies: 23
Views: 576
Posted By oldbobcat

Take it to a shop where somebody who can...

Take it to a shop where somebody who can understand the problem can actually see what the problem is. Or submit some photos.
11-21-22, 12:28 PM
Replies: 19
Views: 403
Posted By oldbobcat

Sometimes the pivot on that side gets tight...

Sometimes the pivot on that side gets tight because of dirt, wear, or loss of lubrication on the bushing. Sometimes a thorough cleaning plus a shot of thin lubricant will loosen it. If that doesn't...
11-19-22, 08:53 PM
Replies: 4
Views: 276
Posted By oldbobcat

Check your hanger alignment and cables.

Check your hanger alignment and cables.
11-19-22, 06:57 PM
Replies: 10
Views: 251
Posted By oldbobcat

I used to sneak into QBP using my old employer's...

I used to sneak into QBP using my old employer's login, just to see what's available. But that account is gone. If you have a local shop I always recommend checking with them first. Unless you hate...
11-17-22, 02:59 PM
Replies: 7
Views: 343
Posted By oldbobcat

The only way to know for sure, unless you have...

The only way to know for sure, unless you have the crank manufacturer's data sheet, is to put the rear wheel with cassette on the bike, install the bottom bracket and crank, and determine that the...
11-17-22, 01:45 PM
Replies: 10
Views: 251
Posted By oldbobcat

Offset, or rake, is the span between the...

Offset, or rake, is the span between the centerline of the steerer to the centerline of the axle. Trail is the span between the the intersect of the centerline of the steerer and the contact point of...
11-15-22, 11:02 AM
Replies: 22
Views: 709
Posted By oldbobcat

I just found this. www.cyclingnews.com presents...

I just found this. www.cyclingnews.com presents the 104th Paris-Roubaix (http://autobus.cyclingnews.com/road/2006/apr06/roubaix06/?id=/tech/2006/features/hincapie_trek)
Hincapie was using a custom...
11-14-22, 09:12 PM
Replies: 6
Views: 386
Posted By oldbobcat

There are numerous videos on YouTube on basic...

There are numerous videos on YouTube on basic bike frame sizing and fitting. My suggestion is to try to set up your bike according to their guidelines, starting with saddle height and setback. If you...
Forum: Road Cycling
11-13-22, 08:26 PM
Replies: 67
Views: 3,060
Posted By oldbobcat

With so many cogs on the rear wheel, it isn't...

With so many cogs on the rear wheel, it isn't about the location, it's about the lack of indexing. With 9 or 10 cogs, you want an indexed downtube shifter. And remember, if you're going to spread...
Forum: Road Cycling
11-13-22, 01:17 PM
Replies: 67
Views: 3,060
Posted By oldbobcat

Back in the day we didn't dare shift in the...

Back in the day we didn't dare shift in the middle of a sprint. You chose a gear for the wind-up and hoped it was the right one.
Forum: Road Cycling
11-13-22, 01:12 PM
Replies: 79
Views: 2,403
Posted By oldbobcat

But that requires work. This is about buying more...

But that requires work. This is about buying more speed. Ha ha.

Eddy Merckx said, "Instead of buying more upgrades, ride up more grades."
11-04-22, 03:07 AM
Replies: 7
Views: 286
Posted By oldbobcat

Unlike previous generations, Shimano's 11-speed...

Unlike previous generations, Shimano's 11-speed FDs operate with essentially zero cable slack. Park Tool has a video on general setup and adjustment of front derailleurs, and YouTube has videos that...
10-30-22, 07:52 PM
Replies: 27
Views: 730
Posted By oldbobcat

I get it now. Hondo6 is talking about the...

I get it now. Hondo6 is talking about the tangential velocity at the perimeter of the cog. It's like when I was a kid getting onto a carousel, my mom used to say, get on an outside horse because they...
10-30-22, 12:54 PM
Replies: 27
Views: 730
Posted By oldbobcat

I don't need Sheldon Brown's gear chart for this....

I don't need Sheldon Brown's gear chart for this. 40/10=4. 44/11=4. 48/12=4. At 60 rpm, the speed of the bike is 18,8 mph. So which component of the bike is turning faster?
10-30-22, 11:55 AM
Replies: 27
Views: 730
Posted By oldbobcat

Fairly? Let's do the math.First we need to agree...

Fairly? Let's do the math.First we need to agree on the ground rules. First, the crank is directly connected to the chainring, and second, the rear cog is directly connected to the rear wheel (except...
10-29-22, 01:00 PM
Replies: 30
Views: 1,000
Posted By oldbobcat

I checked the directionality of the chain, and...

I checked the directionality of the chain, and this looks correct. See if the chain is always jumping in the same place. Mark the link where the chain jumps and see if it's always on that mark. Also,...
10-26-22, 12:06 PM
Replies: 27
Views: 730
Posted By oldbobcat

Actually, if the gear ratios are similar, 48/10...

Actually, if the gear ratios are similar, 48/10 vs. 50/11 vs. 53/12, if the cadence is maintained, so is the rotational speed of the rear wheel. The noise and friction is from the chain interfacing...
10-25-22, 12:21 PM
Replies: 33
Views: 1,137
Posted By oldbobcat

Not without replacing the rim and spokes. Or...

Not without replacing the rim and spokes.

Or you could buy a new wheel.
10-25-22, 11:16 AM
Replies: 27
Views: 730
Posted By oldbobcat

Why SRAM decided to go to a 48/10 top gear...

Why SRAM decided to go to a 48/10 top gear escapes me. I noticed a degradation in smoothness, friction, and wear when I switched from a 53/12 using standard cranks to 50/11 compact. The advantages of...
10-24-22, 10:09 AM
Replies: 18
Views: 582
Posted By oldbobcat

If you don't prevent bladed spokes from twisting,...

If you don't prevent bladed spokes from twisting, they will often wind up with a full twist or more before the thread catches. That negates the aero effect of the blade and can't be good for the...
10-22-22, 10:48 AM
Replies: 31
Views: 1,127
Posted By oldbobcat

The thing about soft aluminum is it will give you...

The thing about soft aluminum is it will give you plenty of visual warning before it fails. But you gotta look under the tape. And 45 years is a half lifetime. Int the early '70s our bikes were all...
10-22-22, 10:12 AM
Replies: 31
Views: 1,127
Posted By oldbobcat

Boy, am I glad that I wasn't around for that one....

Boy, am I glad that I wasn't around for that one.

Makes me chuckle, though. I'd worked on a Specialized model, probably early versions of the Roubaix, that had an adjustable quill stem and an...
10-20-22, 11:09 AM
Replies: 60
Views: 3,740
Posted By oldbobcat

Rhyno Lites can't be beat for durability and...

Rhyno Lites can't be beat for durability and being reasonably light and inexpensive.
10-19-22, 09:21 PM
Replies: 17
Views: 557
Posted By oldbobcat

This falls under the category of, "If you have to...

This falls under the category of, "If you have to ask, you probably shouldn't."
10-18-22, 02:49 PM
Replies: 18
Views: 463
Posted By oldbobcat

Sometimes, a ham-fisted mechanic will roll one of...

Sometimes, a ham-fisted mechanic will roll one of the balls out of alignment with the cone race as the cone is threaded on. The hub may seem to spin correctly for a while, but it might bind as the...
Showing results 1 to 50 of 204
 


 
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