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Search: Posts Made By: helicomatic
Showing results 1 to 50 of 371
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Forum: Bicycle Mechanics
07-21-10, 02:50 PM
Replies: 5
Views: 5,344
Posted By helicomatic

The difference between middle and outer...

The difference between middle and outer chainrings from TA is which side the ramps and pins are in relation to the recessed side of the bolt holes. An outer chainring will have the printing on the...
Forum: Classic & Vintage
05-14-10, 02:12 PM
Replies: 27
Views: 19,806
Posted By helicomatic

You should probably try to find a bike shop...

You should probably try to find a bike shop that's got some experience to do the bottom bracket work, at least call around first.

The relevant manuals are still available on the Merlin site. If...
Forum: Classic & Vintage
05-14-10, 01:59 PM
Replies: 3
Views: 1,748
Posted By helicomatic

"Eyestabber" refers to the pointy version of...

"Eyestabber" refers to the pointy version of Weinmann brake levers that came on Schwinn Krates, before they got ball ends. "Red Dot" refers to the red lever pivot, rather than the "Gold Dots". I...
Forum: Bicycle Mechanics
05-14-10, 12:27 PM
Replies: 33
Views: 12,698
Posted By helicomatic

Not sure where you got that info, most 3/32"...

Not sure where you got that info, most 3/32" single speed cogs measure 2.3mm. The exceptions, at least among the cogs we carry, are Surly and Rockwerks which measure about 2.0mm, but those are...
Forum: Bicycle Mechanics
05-14-10, 10:46 AM
Replies: 4
Views: 1,321
Posted By helicomatic

I would give SRAM a call and see what they can...

I would give SRAM a call and see what they can do, I know in the US we can get the important internal bits direct from SRAM.
Forum: Classic & Vintage
05-14-10, 09:43 AM
Replies: 42
Views: 6,185
Posted By helicomatic

From a customer yesterday: "You know, it's...

From a customer yesterday:

"You know, it's an old bike, like 15 years, it has one of those square bottom brackets."
Forum: Classic & Vintage
05-14-10, 09:35 AM
Replies: 34
Views: 2,387
Posted By helicomatic

BMA/6 Certified!

BMA/6

Certified!
Forum: Classic & Vintage
05-14-10, 08:47 AM
Replies: 18
Views: 1,466
Posted By helicomatic

I've already sent Robbie an email about this,...

I've already sent Robbie an email about this, haven't heard back yet, but I wanted to make a note here that I have a pair of new Modolo hoods that I'd be willing to send him as a master pair.
...
Forum: Classic & Vintage
05-14-10, 07:59 AM
Replies: 498
Views: 48,755
Posted By helicomatic

I think it should be obvious in this forum what...

I think it should be obvious in this forum what my username is referring to.

Whenever I give bike nerds my email address (kevinathelicomaticdotnet), I can always tell just what type of bike...
Forum: Bicycle Mechanics
05-14-10, 07:55 AM
Replies: 4
Views: 1,321
Posted By helicomatic

You can get parts for SRAM road shifters, and...

You can get parts for SRAM road shifters, and they're pretty easy to replace. Here's the relevant info from SRAM:

http://www.sram.com/en/service/sram/view.php?catID=4&subcatID=0
Forum: Bicycle Mechanics
05-14-10, 07:44 AM
Replies: 16
Views: 1,093
Posted By helicomatic

Ask for help when you're not confident about...

Ask for help when you're not confident about something. Always. The only problems I have ever had with other mechanics' work is when they dive into something they know they don't have the...
Forum: Bicycle Mechanics
05-13-10, 11:52 AM
Replies: 95
Views: 4,390
Posted By helicomatic

These sort of nutjob arguments have a long...

These sort of nutjob arguments have a long history on rec.bicycles.tech, and go on endlessly, with various competent Engineers on one side, and one or two guys who can't get over the use of the word...
Forum: Bicycle Mechanics
05-13-10, 11:23 AM
Replies: 6
Views: 1,489
Posted By helicomatic

1. Yes 2. You should be able to take it off...

1. Yes

2. You should be able to take it off without pulling the crank, it's just a lot easier if you do.
Forum: Bicycle Mechanics
05-13-10, 10:47 AM
Replies: 6
Views: 1,489
Posted By helicomatic

FD-5603 should work just fine with a 52T top...

FD-5603 should work just fine with a 52T top ring. Like TallRider said, the tooth ratings are often pretty conservative.

The reason it specifies 50T is that the 105 triple from the same group,...
Forum: Bicycle Mechanics
05-11-10, 03:42 PM
Replies: 5
Views: 1,125
Posted By helicomatic

The Tacx tool that bolts into the spindle just...

The Tacx tool that bolts into the spindle just doesn't work with really long spindles. The Shimano TL-UN74S BB tool always works, so does the Park BBT-32.
Forum: Classic & Vintage
05-11-10, 01:28 PM
Replies: 13
Views: 6,279
Posted By helicomatic

I still can't believe that saddle ever made it...

I still can't believe that saddle ever made it into production.
Forum: Classic & Vintage
05-11-10, 01:26 PM
Replies: 19
Views: 5,032
Posted By helicomatic

I can concur that the white Hetres look...

I can concur that the white Hetres look incredible in person when installed.

When Veloria's Hillborne was being assembled I couldn't keep my eyes off it.
Forum: Bicycle Mechanics
05-11-10, 01:19 PM
Replies: 5
Views: 1,125
Posted By helicomatic

Sometimes it just isn't long enough. What BB and...

Sometimes it just isn't long enough. What BB and which tool do you have?
Forum: Bicycle Mechanics
05-06-10, 10:56 AM
Replies: 22
Views: 1,840
Posted By helicomatic

Fixed that for you. You're both right.

Fixed that for you. You're both right.
Forum: Bicycle Mechanics
05-06-10, 08:21 AM
Replies: 14
Views: 736
Posted By helicomatic

To be fair, he definitely wasn't thinking clearly...

To be fair, he definitely wasn't thinking clearly at the time. Happens to everybody.
Forum: Classic & Vintage
05-05-10, 09:31 AM
Replies: 86
Views: 23,833
Posted By helicomatic

I'd certainly still be using my Helicomatic hubs...

I'd certainly still be using my Helicomatic hubs if parts were available and the bearing quality was as good as even the mid level current stuff. I still have the hubs, but the wheels have long been...
Forum: Bicycle Mechanics
05-05-10, 07:44 AM
Replies: 4
Views: 1,931
Posted By helicomatic

"Dura 2" pads from kool-stop leave the plow tip...

"Dura 2" pads from kool-stop leave the plow tip off and are thicker overall, recommended.
Forum: Bicycle Mechanics
05-05-10, 07:27 AM
Replies: 7
Views: 2,924
Posted By helicomatic

I've got a cable pull measuring jig in the works....

I've got a cable pull measuring jig in the works. I was thinking more along the lines of using it for shifters, but I'll get definitive measurements of pull for the new brake levers as soon as...
Forum: Bicycle Mechanics
05-04-10, 03:32 PM
Replies: 7
Views: 2,924
Posted By helicomatic

I guarantee a number of people have tried those...

I guarantee a number of people have tried those brakes with normal levers, it's just that nobody's written about it.

If I had the inclination to buy a pair of short reach brakes for $140, I'd...
Forum: Classic & Vintage
05-04-10, 11:36 AM
Replies: 6
Views: 924
Posted By helicomatic

I use the TA Pro 5 Vis Cyclotouriste rings, with...

I use the TA Pro 5 Vis Cyclotouriste rings, with the TA mounting hardware for outer and inner. The Shimano hardware has a key on it that fits into a slot on the Deore outer ring, so you can't use...
Forum: Classic & Vintage
05-04-10, 08:40 AM
Replies: 6
Views: 924
Posted By helicomatic

I've got TA rings on mine, since it was only a...

I've got TA rings on mine, since it was only a double, and the one with the larger BCD at that. I'm with you on the pedals all the way.

I can measure the original outer chainring when I get home....
Forum: Bicycle Mechanics
04-30-10, 12:49 PM
Replies: 1
Views: 1,117
Posted By helicomatic

Here's the measurements: ...

Here's the measurements:
http://sheldonbrown.com/harris/hubspecs/hu085specs.html
Forum: Classic & Vintage
04-30-10, 10:07 AM
Replies: 61
Views: 5,792
Posted By helicomatic

My two cents on the "Why not 650A?" discussion,...

My two cents on the "Why not 650A?" discussion, is that I'm pretty sure the various people in the US advocating 650B for the road in the beginning, were all either interested in, or owners of, French...
Forum: Bicycle Mechanics
04-30-10, 09:40 AM
Replies: 9
Views: 2,504
Posted By helicomatic

That last one is the Schwinn kickstand tool. Was...

That last one is the Schwinn kickstand tool. Was still available from Park up until recently as the KS-1.

Relevant info here:
http://www.parktool.com/products/documents/KS_1.pdf
Forum: Bicycle Mechanics
04-29-10, 07:20 AM
Replies: 11
Views: 771
Posted By helicomatic

I can't think of any big advantages. If...

I can't think of any big advantages.

If you ever ride "high" on the hoods, perched over the top, the Rocket adjusters can get in the way a little bit. That's really stretching it as a reason to...
Forum: Bicycle Mechanics
04-29-10, 07:08 AM
Replies: 9
Views: 2,504
Posted By helicomatic

There was indeed a CW-2 9/16" Park wrench. ...

There was indeed a CW-2 9/16" Park wrench. Dealer price was $3.30 in 1982.

I would imagine collecting bike tools is a little more difficult than collecting, say, old snap-on. But it's a lot...
Forum: Bicycle Mechanics
04-29-10, 06:45 AM
Replies: 11
Views: 771
Posted By helicomatic

strop, the adjusters you're thinking of are...

strop, the adjusters you're thinking of are different from those the OP has on his bike.

ljholland: You're getting rattle because of your fancy aluminum housing ferrules. The Jagwire Rocket...
Forum: Classic & Vintage
04-29-10, 06:36 AM
Replies: 15,283
Views: 5,773,817
Posted By helicomatic

Just how low of a stack height do you need? The...

Just how low of a stack height do you need? The Steel Levin is something like 35mm. I have a 600 headset at home but I think it's the later one, I'll check tonight.

The Tange Passage stack is...
Forum: Classic & Vintage
04-28-10, 03:40 PM
Replies: 2
Views: 732
Posted By helicomatic

I've used lots of different cantilever brakes...

I've used lots of different cantilever brakes with lots of different STI levers, no problems.
Forum: Bicycle Mechanics
04-28-10, 12:51 PM
Replies: 29
Views: 1,776
Posted By helicomatic

DMF, thanks for posting that link, the articles...

DMF, thanks for posting that link, the articles cited were helpful.

I would bet the manufacturer's lots are positively enormous compared to even the largest amount of bearing balls you can get...
Forum: Classic & Vintage
04-28-10, 11:57 AM
Replies: 18
Views: 1,571
Posted By helicomatic

There's a number of them out there, better repair...

There's a number of them out there, better repair oriented shops will have at least one crank extractor system, but they're all pretty expensive for home use.
Forum: Bicycle Mechanics
04-27-10, 02:17 PM
Replies: 8
Views: 1,053
Posted By helicomatic

Just a note: 'Cane Creek 1.125" external' is a...

Just a note: 'Cane Creek 1.125" external' is a functionally meaningless description of a headset. That's why I didn't post that link.

If you're looking for a replacement headset, you'll probably...
Forum: Bicycle Mechanics
04-27-10, 01:03 PM
Replies: 8
Views: 1,053
Posted By helicomatic

Without measurements, my best guess is you have a...

Without measurements, my best guess is you have a 1.5" traditional headtube, with a 1.5" to 1 1/8" conversion headset.

Your bike shop should be able to tell pretty quickly.
Forum: Bicycle Mechanics
04-27-10, 11:43 AM
Replies: 29
Views: 1,776
Posted By helicomatic

Bearing balls of the same grade and size should...

Bearing balls of the same grade and size should be considered interchangeable. I wouldn't mix grades, but then again I don't use less than grade 25 in the first place.

To be honest, I'm not sure...
Forum: Bicycle Mechanics
04-27-10, 11:21 AM
Replies: 10
Views: 662
Posted By helicomatic

You'll get better shifting with the axle forward...

You'll get better shifting with the axle forward of the derailleur hanger, but I don't think it would make enough of a difference to cause the problem you're describing. Here's the relevant info on...
Forum: Bicycle Mechanics
04-27-10, 09:20 AM
Replies: 10
Views: 662
Posted By helicomatic

Did you check if your derailleur hanger is bent?

Did you check if your derailleur hanger is bent?
Forum: Bicycle Mechanics
04-27-10, 09:11 AM
Replies: 65
Views: 5,422
Posted By helicomatic

I had just finished repacking the headset and...

I had just finished repacking the headset and putting a new Odyssey 1999 brake on my Hutch, then decided to take a victory lap to the 711 down the hill to get a Slurpee.

One of the brake pads shot...
Forum: Bicycle Mechanics
04-27-10, 09:03 AM
Replies: 1
Views: 504
Posted By helicomatic

Kurt- We picked up three TS-2.2s here a few...

Kurt-
We picked up three TS-2.2s here a few months ago without any chrome problems.

I agree with you 100% about the knobs. I'm just glad I have an old one at home.
Forum: Bicycle Mechanics
04-23-10, 10:37 AM
Replies: 6
Views: 915
Posted By helicomatic

You won't have a problem, as long as you get an...

You won't have a problem, as long as you get an 11T compatible lockring in addition to the 11T cog.

This is assuming you're talking about recent parts, which you probably are.
Forum: Bicycle Mechanics
04-23-10, 10:32 AM
Replies: 25
Views: 24,036
Posted By helicomatic

I've always assumed that the designers of these...

I've always assumed that the designers of these tools take into account that the chain gauge "doubles up" on the roller wear. It seems pretty obvious.

I spent the last few minutes digging...
Forum: Classic & Vintage
04-23-10, 09:36 AM
Replies: 89
Views: 13,004
Posted By helicomatic

Strong agreement here. Parts company sells...

Strong agreement here.

Parts company sells parts. Don't like the parts? Don't like the company? Don't buy the parts.
Forum: Bicycle Mechanics
04-23-10, 09:14 AM
Replies: 25
Views: 24,036
Posted By helicomatic

I prefer go/no-go gauges to those that offer...

I prefer go/no-go gauges to those that offer measurements as a percentage. My favorite is the Wippermann chain checker. Simple, fast, and not as expensive as the also very good Shimano or Rohloff...
Forum: Bicycle Mechanics
04-23-10, 08:15 AM
Replies: 19
Views: 16,303
Posted By helicomatic

Every time I ride? I'm not sure what exactly...

Every time I ride?

I'm not sure what exactly you're implying. You might be confusing the presta valve core itself with the stem. I'm not talking about tightening the valve closed, I'm talking...
Forum: Bicycle Mechanics
04-23-10, 08:09 AM
Replies: 3
Views: 918
Posted By helicomatic

OP: I think you might have copied down that info...

OP: I think you might have copied down that info wrong:


Chainline (http://www.sheldonbrown.com/harris/chainline/index.html) w/107 mm bottom bracket...
Forum: Bicycle Mechanics
04-23-10, 08:05 AM
Replies: 19
Views: 16,303
Posted By helicomatic

The better fix for "my presta valve core keeps...

The better fix for "my presta valve core keeps coming out" is to tighten it a lot more than you can by hand. If it still comes out too easily, some kind of threadlocker might help, but I've never...
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