Search: Posts Made By: Dave Mayer
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06-15-19, 09:50 AM
Replies: 3
Views: 672
Posted By Dave Mayer

I have at least two sets of these shifters and...

I have at least two sets of these shifters and ran them on bikes for several years until I went to 9 speed.

They are pure mid-90s 8-speed Campagnolo Chorus shifters, except for the labeled hoods....
Forum: Road Cycling
06-08-19, 11:14 AM
Replies: 68
Views: 3,433
Posted By Dave Mayer

Cautionary message to the OCD cleaners out there....

Cautionary message to the OCD cleaners out there. Someone gave me a recent gen Ultegra rear derailleur because it was 'sticky'.

Sticky indeed... upon a complete disassembly it was clear that every...
Forum: Road Cycling
06-06-19, 10:44 AM
Replies: 18
Views: 1,071
Posted By Dave Mayer

I've been riding stiff-soled cycling shoes with...

I've been riding stiff-soled cycling shoes with clipless pedals for many years. The other day I decided to jump on the bike with tennis sneakers for a test spin around the block. I was surprised at...
06-04-19, 10:51 PM
Replies: 28
Views: 1,121
Posted By Dave Mayer

Yes, the driveside dust cap. Obviously. How could...

Yes, the driveside dust cap. Obviously. How could the orientation of the non-driveside dust cap have any connection to the tightening of the cassette lockring?

A superficial glance at the pics is...
06-04-19, 06:40 PM
Replies: 28
Views: 1,121
Posted By Dave Mayer

The hub is a Hyperglide/Uniglide compatible...

The hub is a Hyperglide/Uniglide compatible version. It takes a lockring to tighten the cassette. From the last pics it is glaringly obvious that tightening the lockring will push up against the...
06-01-19, 03:19 AM
Replies: 28
Views: 1,121
Posted By Dave Mayer

The cassette lockring is probably pushing against...

The cassette lockring is probably pushing against the dustcap. Which is pushing against the drive-side bearings.

You've likely installed the dustcap backwards.
05-29-19, 10:20 AM
Replies: 43
Views: 2,147
Posted By Dave Mayer

About 10 years ago, a mint Guibulato (sp?) road...

About 10 years ago, a mint Guibulato (sp?) road bike with first generation Dura-Ace brifters dropped into my lap. It was too big for me, so I sold it to a pal. He loved the bike, but wanted lower...
05-28-19, 06:35 PM
Replies: 43
Views: 2,147
Posted By Dave Mayer

Two things: first, Shimano 600 SIS came after...

Two things: first, Shimano 600 SIS came after Dura-Ace 7400. 600 was designed to not work with Dura-Ace, not the other way around. I don't know the reason for the change, which was probably due to...
05-26-19, 03:07 AM
Replies: 54
Views: 2,247
Posted By Dave Mayer

Yep. The BB shell was cast in one piece; a...

Yep.

The BB shell was cast in one piece; a work of art. On the inside of the bottom bracket, where the frame tubes come together for brazing, the workmanship is superior to any steel frame I've...
05-25-19, 10:38 PM
Replies: 4
Views: 603
Posted By Dave Mayer

Shimano hubs have never featured Campagnolo...

Shimano hubs have never featured Campagnolo freehub compatibility. I have taken apart almost every Shimano hub made, and I cannot conceive how this would be possible. The hubs are fundamentally...
05-25-19, 10:34 PM
Replies: 54
Views: 2,247
Posted By Dave Mayer

I have a '86 Montello. Montellos do not have the...

I have a '86 Montello. Montellos do not have the separate bridge connecting the seatstays. Montello's do have the cast fastback-style seatpost clamp assembly in the pic posted by fraba.

My bike...
05-25-19, 10:20 PM
Replies: 43
Views: 2,147
Posted By Dave Mayer

Trust me: you do want brifters; all of my vintage...

Trust me: you do want brifters; all of my vintage bikes have been retrofitted with these for convenience and safety. I suffered with downtube shifters for 25 years - never again.

As correctly...
05-24-19, 04:50 PM
Replies: 4
Views: 317
Posted By Dave Mayer

These must be hubs on newer replacement wheels....

These must be hubs on newer replacement wheels. So to answer your question: no. Cheap materials and finish.

I once did a large and complex bikes parts transaction with a shop that resulted in me...
05-20-19, 02:21 PM
Replies: 170
Views: 17,045
Posted By Dave Mayer

I volunteer at a high-volume, big-city bike...

I volunteer at a high-volume, big-city bike Co-op. We see mostly vintage bike stuff; vintage does not necessarily mean good. In fact, about 90% of what we see is vintage bad, meaning that if our...
05-20-19, 02:05 PM
Replies: 20
Views: 793
Posted By Dave Mayer

I volunteer at a high-volume big-city bike Co-op....

I volunteer at a high-volume big-city bike Co-op. We overhaul and recover several wheels every week. We even have a couple of folks in which that is about all they do: wheel repairs. Wheels with...
05-19-19, 12:02 PM
Replies: 15
Views: 555
Posted By Dave Mayer

I've read that alu chainrings wear not that much...

I've read that alu chainrings wear not that much slower than steel.

First, if your chain is not that worn, chainrings will last a very long time, into the 10k+ mileage range. Pooched chains will...
Forum: Foo
05-18-19, 01:25 AM
Replies: 57
Views: 1,761
Posted By Dave Mayer

I've been looking for a new phone for 2 years. ...

I've been looking for a new phone for 2 years. I need a headphone jack, a removable battery, and a non-Android OS. Or at least an Android phone that can be rooted clean.

Until then, I continue...
05-15-19, 06:27 PM
Replies: 30
Views: 1,679
Posted By Dave Mayer

It makes sense to stockpile consumables such as...

It makes sense to stockpile consumables such as chains, cassettes, cables, housing, etc. I go through 3-4 chains per year, plus a cassette and an occasional ring. If you find a smoking good deal, and...
Forum: Road Cycling
05-15-19, 03:27 PM
Replies: 15
Views: 840
Posted By Dave Mayer

If you've ridden a 1,300 gram (or less) wheelset,...

If you've ridden a 1,300 gram (or less) wheelset, you'll understand the huge effect of rotating mass on climbing and accelerating.

Anyway, I've been riding long distances on gravel lately, and...
05-11-19, 12:57 PM
Replies: 11
Views: 539
Posted By Dave Mayer

Good point: if the cup in the freehub is pooched,...

Good point: if the cup in the freehub is pooched, then you should replace the freehub - whole. You may not be able to source the sweet titanium freehubs that came stock with 7700, but almost any...
05-10-19, 11:59 PM
Replies: 25
Views: 1,084
Posted By Dave Mayer

White gas, also known as 'Coleman Fuel' or 'camp...

White gas, also known as 'Coleman Fuel' or 'camp fuel' is an outstanding degreaser. A little goes a long way in the most challenging jobs. But it is highly flammable and dries out my skin.
...
05-10-19, 09:56 PM
Replies: 11
Views: 539
Posted By Dave Mayer

These hubs get my vote as the best road hubs...

These hubs get my vote as the best road hubs ever. It is unusual that the cups went before the cones or balls. The cups can be replaced; it takes the same tools and technique as replacing a...
Forum: Road Cycling
05-06-19, 10:49 PM
Replies: 326
Views: 25,991
Posted By Dave Mayer

Brifters: good analogy. Yeah, I hate...

Brifters: good analogy. Yeah, I hate retro-grouches who refuse to accept new and superior tech. Like disk breaks.

I want a suspension fork on my road bike; why not - it is just a little extra...
04-30-19, 11:07 AM
Replies: 8
Views: 439
Posted By Dave Mayer

Yeah, Dura-Ace freewheels were the highest...

Yeah, Dura-Ace freewheels were the highest quality ever, both in construction and materials. Shimano 600, Sante and Dura-Ace 6 and 7 speed freewheel cogs are largely cross-compatible.

New...
04-28-19, 10:47 AM
Replies: 20
Views: 1,234
Posted By Dave Mayer

You may not need another rear derailleur. In my...

You may not need another rear derailleur. In my past, I've run a Shimano 105 short (yes, short) cage rear derailleur with a 34 tooth cog on a Shimano Megarange cassette. It worked, but chain length...
04-25-19, 11:17 AM
Replies: 11
Views: 793
Posted By Dave Mayer

I volunteer at a high volume, big city non-profit...

I volunteer at a high volume, big city non-profit Co-op. We encourage folks to work on their own bikes, with the 'Advisors' helping out when needed.

Disc-based bikes maybe represent 5% of what...
Forum: Road Cycling
04-23-19, 10:42 PM
Replies: 326
Views: 25,991
Posted By Dave Mayer

Thru-axles? Yes, I had a demo at a local shop. ...

Thru-axles? Yes, I had a demo at a local shop. Confirmed: they are a PITA. I'm at a minimum removing and stashing my front wheel once per day. Could not be bothered with anything that involves...
04-23-19, 05:40 PM
Replies: 21
Views: 1,353
Posted By Dave Mayer

Best threaded headset ever? Shimano...

Best threaded headset ever? Shimano cartridge-bearing units from the 90s. Such as XT, LX, 600, Dura-Ace. Actually the 600 units were the best, in that they shared all of the same parts as...
Forum: Road Cycling
04-23-19, 11:51 AM
Replies: 15
Views: 954
Posted By Dave Mayer

Lots of good maintenance suggestions here. ...

Lots of good maintenance suggestions here.

Except note that the current generation of 11-speed Shimano rear derailluers (plus 10-speed Tiagra) will not be compatible with your shifters.

At our...
Forum: Road Cycling
04-23-19, 10:55 AM
Replies: 326
Views: 25,991
Posted By Dave Mayer

I love new tech. Carbon is great. Clipless,...

I love new tech. Carbon is great. Clipless, electronic shifting and brifters too.

I absolutely will buy a road bike with discs when it meets the following criteria:

1. The disc setup,...
Forum: Road Cycling
04-23-19, 08:07 AM
Replies: 15
Views: 954
Posted By Dave Mayer

I have 2 new bikes with 11-speed 105. I also...

I have 2 new bikes with 11-speed 105.

I also picked up 2 used bikes with minimal miles, one with 9-speed Tiagra, and one with 8-speed Shimano 600 STI.

The smoothest and most reliable shifting...
Forum: Road Cycling
04-21-19, 12:28 PM
Replies: 57
Views: 3,452
Posted By Dave Mayer

Whatever.. I volunteer at a high-volume big-city...

Whatever.. I volunteer at a high-volume big-city bike Co-op. I spent an hour yesterday trying to salvage clincher wheel in which the rim hooks were damaged from an obvious impact. I see this...
04-20-19, 09:06 PM
Replies: 4
Views: 447
Posted By Dave Mayer

Cowtown is basically unrideable for several...

Cowtown is basically unrideable for several months a year. There is brutal cold, during the depths of winter.

But the worst are the shoulder seasons, in which the afternoon temps are well above...
Forum: Road Cycling
04-20-19, 08:47 PM
Replies: 57
Views: 3,452
Posted By Dave Mayer

Truth. There is no way a PR rider is going to be...

Truth. There is no way a PR rider is going to be on clinchers, tubeless or otherwise. It is not just the safety liability when you do have a flat, but the susceptibility to pinch flats, the almost...
04-15-19, 12:04 PM
Replies: 6
Views: 347
Posted By Dave Mayer

I was going to say mid-90s Athena or Chorus....

I was going to say mid-90s Athena or Chorus. Definitely not Record.

One consistent way to differentiate between the top-end derailleurs from the lower models is to inspect the inner parallelogram...
04-14-19, 11:29 AM
Replies: 7
Views: 341
Posted By Dave Mayer

I'm running Campy Chorus 10 on a Lemond 'cross...

I'm running Campy Chorus 10 on a Lemond 'cross bike. Sure you can use canti's, and I have. But V-brakes are superior in every respect.

But you need V-brakes that match the (short) cable pull of...
04-09-19, 05:58 PM
Replies: 20
Views: 1,234
Posted By Dave Mayer

What is wrong with your old crankset? Chainrings...

What is wrong with your old crankset? Chainrings worn out? Busted up in a crash?

Being the mind reader we've been expected to be in this thread, I'll assume you want lower gearing for climbing...
04-05-19, 01:56 PM
Replies: 33
Views: 1,670
Posted By Dave Mayer

I'm going to stir the pot here.... I have no...

I'm going to stir the pot here.... I have no doubt that Changing Gears was a great place that offered a valuable service, and was supported by a loyal community.

However, I hear in the interviews...
04-05-19, 12:39 PM
Replies: 32
Views: 1,029
Posted By Dave Mayer

Yeah, I've got a pal who has one of the Campy...

Yeah, I've got a pal who has one of the Campy left-hand extractors, and has offered it to me for a beer. No deal.
This brings me back to my point that there is no reason for the extractors to have...
Replies: 10
Views: 947
Posted By Dave Mayer

My first bike was a 60's CCM. It turned me off...

My first bike was a 60's CCM. It turned me off riding for years. One of the most satisfying moments of my young life was to huck that POS off of a railway bridge into the local river. No regrets.
...
04-05-19, 12:04 PM
Replies: 32
Views: 1,029
Posted By Dave Mayer

I ride a Victory crankset with 35/50 rings. It is...

I ride a Victory crankset with 35/50 rings. It is a nice setup for tolling terrain. Gran Sport used the same 116 BCD rings.

Recommendation to the OP: forget about this Gran Sport crankset;...
04-02-19, 11:54 AM
Replies: 29
Views: 958
Posted By Dave Mayer

Wow... those are crazy prices. I lived in Cowtown...

Wow... those are crazy prices. I lived in Cowtown 20 years ago, and you couldn't give old bikes away. You could have left any one of these bikes on the curb for a week, and nothing would have...
03-29-19, 11:24 AM
Replies: 41
Views: 1,330
Posted By Dave Mayer

3,000 miles is at the approximate limit of what I...

3,000 miles is at the approximate limit of what I get out of a chain. If you replace your chain at appropriate intervals (as measured by a stretch gauge) , then you should be able to get 3-4...
03-22-19, 12:06 PM
Replies: 50
Views: 1,537
Posted By Dave Mayer

I volunteer at a high-volume big-city bike Co-Op....

I volunteer at a high-volume big-city bike Co-Op. We get lots of donations, including accessories and tools.

The non-metric hex keys are an outright hazard, as we've had several folks round-out...
Forum: Road Cycling
03-22-19, 11:28 AM
Replies: 38
Views: 1,696
Posted By Dave Mayer

I go through 3-4 chains per year. High mileage in...

I go through 3-4 chains per year. High mileage in wet conditions. Of all the chains I've tried I would rate Shimano as #1 (https://www.bikeforums.net/usertag.php?do=list&action=hash&hash=1) for...
03-22-19, 10:58 AM
Replies: 105
Views: 4,289
Posted By Dave Mayer

Tubular tires are no better than clincher tires,...

Tubular tires are no better than clincher tires, in terms of construction quality. However, the tubular rim/tire system is superior in multiple ways to the clincher system.

Several of these have...
03-15-19, 12:46 PM
Replies: 30
Views: 780
Posted By Dave Mayer

Squeal is a vibration that is caused by play in...

Squeal is a vibration that is caused by play in the brake calipers. This could be caused the caliper arms rocking around the pivot bolt. Or due to overly-flexible caliper arms.

Toeing-in the pads...
03-14-19, 05:14 PM
Replies: 10
Views: 392
Posted By Dave Mayer

So can an 11-tooth cog fit on an old...

So can an 11-tooth cog fit on an old Uniglide/Hyperglide freehub? Well, I just had to try. So I went to my 10-pound bin of Shimano freehubs. And my 20-pound bin if loose Shimano cogs and cassette...
Forum: Road Cycling
03-14-19, 01:15 PM
Replies: 21
Views: 857
Posted By Dave Mayer

Your bike shop will heartily endorse this...

Your bike shop will heartily endorse this project. $500 of parts, $300 in labor, plus the opportunity for the mechanics to sell your worthless old components on Ebay for their own beer money.

I am...
Forum: Road Cycling
03-14-19, 11:48 AM
Replies: 95
Views: 4,042
Posted By Dave Mayer

Right. By Tony Martin, an immensely powerful...

Right. By Tony Martin, an immensely powerful rider on a flat and straight TT. Front wheel only. His previous two exploratory attempts at competing on clinchers were embarrassing disasters.

And...
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