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Old 05-02-2012, 08:29 AM   #23776
Wadester
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Quote:
Originally Posted by Scurley View Post
I haven't ridden my fixed gear in about a year, due in part for the reason mentioned above. I never did get my square taper cranks back on just right so, yes, they creaked, but that was the least of my worries. One of the nuts would occasionally become so loose, almost to the point of falling out, that the pedal end of the crank arm had about 2cm of lateral play. I don't carry an allen key big enough with me on rides, so there wasn't much I could do in the middle of a ride except for using my fingers to tighten, which would do the job for only another mile or so. Back at home, I'd tighten the bejeezus out of the thing, but the same scenario would eventually happen again.

So, what's the trick to getting the cranks on 'just right'? (square tapered, specifically)
Like Gummee said, if you've wallered it out - time for a new set of cranks. However - and especially on fixed gear - it's hard to keep 'em tight. Mine started doing that, loosening on every ride - and I HAD the wrench with, so If I would snug it any time i noticed or would check during the ride. Granted, every time it loosens damage is done. But I had a wild idea - cleaned the tapers well and reinstalled using blue locktite on the mating surfaces. No more problems. Worth a try.
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This isn't a "you're doing it wrong" topic. (Originally Posted by Human Ills, 7/1/14)
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Old 05-02-2012, 06:15 PM   #23777
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Quote:
Originally Posted by Wadester View Post
Like Gummee said, if you've wallered it out - time for a new set of cranks. However - and especially on fixed gear - it's hard to keep 'em tight. Mine started doing that, loosening on every ride - and I HAD the wrench with, so If I would snug it any time i noticed or would check during the ride. Granted, every time it loosens damage is done. But I had a wild idea - cleaned the tapers well and reinstalled using blue locktite on the mating surfaces. No more problems. Worth a try.
I would probably use red loctite or retaining compound on the tapers. But yeah, the only special trick for installing square taper crankarms that I know is to get them nice and snug, and keep them that way- once they start wallowing around, they're essentially done.
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Old 05-02-2012, 06:19 PM   #23778
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The college natl's are here in my backyard (Ogden) this weekend-
Anyone gonna be out here?
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Old 05-02-2012, 07:11 PM   #23779
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Thanks, gents.

Just to be clear, what am I doing damage to? Is it the cranks, the bottom bracket, or both?

If the BB is involved, I actually have a brand-new spare that's been sitting in a drawer for two years, so that's luck. Either way, I'm dumping my cranks. The current ones are some leftover Shimano Nexus ellipticals that I don't really enjoy, anyway.

I wonder if it would be unethical to resell the cranks on fleabay.
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Old 05-02-2012, 07:22 PM   #23780
Wadester
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Quote:
Originally Posted by Scurley View Post
Thanks, gents.

Just to be clear, what am I doing damage to? Is it the cranks, the bottom bracket, or both?

If the BB is involved, I actually have a brand-new spare that's been sitting in a drawer for two years, so that's luck. Either way, I'm dumping my cranks. The current ones are some leftover Shimano Nexus ellipticals that I don't really enjoy, anyway.

I wonder if it would be unethical to resell the cranks on fleabay.
There is damage to both, but I think the aluminum arm gets the worst.

It's only ethical to sell the cranks if you're upfront about why: "Used. Got loose and may be damaged." Anything less would be unethical in my estimation. I'd just toss'em in the recycle and be done.
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This isn't a "you're doing it wrong" topic. (Originally Posted by Human Ills, 7/1/14)
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Old 05-02-2012, 10:34 PM   #23781
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I'll just throw this out there: one thing to be aware of if you're having problems getting square taper crank arms to fit is that shimano and Campy have different square tapers, and you shouldn't mix the cranks and BBs.
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Old 05-03-2012, 05:50 AM   #23782
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Quote:
Originally Posted by slackmeyer View Post
I'll just throw this out there: one thing to be aware of if you're having problems getting square taper crank arms to fit is that shimano and Campy have different square tapers, and you shouldn't mix the cranks and BBs.
Yes, Campy is ISO and Shimano is JIS.....

http://sheldonbrown.com/bbtaper.html
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Old 05-03-2012, 04:52 PM   #23783
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Yay! We are gonna be the host city for the USA Cycling Championships for 2013-15.

http://www.usacycling.org/chattanoog...-nationals.htm
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Old 05-03-2012, 05:02 PM   #23784
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speaking of racing, anyone making plans for any sections of the Amgen Tour of California? I've volunteered again to be a course marshall on the Santa Cruz County leg, but apparently this year, single day volunteers are going to be 2nd class and just used as backup in the finish area, that the main stretch of the course will be manned by Amgen peoples :-/ last time I covered a stretch of Bonny Doon, which was awesome.
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Old 05-03-2012, 05:09 PM   #23785
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Quote:
Originally Posted by pierce View Post
speaking of racing, anyone making plans for any sections of the Amgen Tour of California? I've volunteered again to be a course marshall on the Santa Cruz County leg, but apparently this year, single day volunteers are going to be 2nd class and just used as backup in the finish area, that the main stretch of the course will be manned by Amgen peoples :-/ last time I covered a stretch of Bonny Doon, which was awesome.
I signed up for this:

http://www.amgentourofcalifornia.com/nissan

Thinking of blasting down the LA River bike path to the event, then blasting back home to watch a recorded stage with a beer in my hand.
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Old 05-04-2012, 03:06 AM   #23786
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Well, having bought the new bike, I am about 500km in for the last month and things are sorting out. My technique for sensing shifts is improving and I'm finding the hills to be more fun every day. Shit, I even dropped a pants size.

I am getting tired of having to go to bike shops for relatively simple repairs to the various bikes in our house. It seems like this can't be so hard if I can wrench a motorcycle, but at the same time it's clear that bicycles have a few special tools and considerations as well. So with do-it-yourself maintenance in mind, can you fellas answer a few questions?

- I was considering buying the Park Tool "Big Book" of bike maintenance. Is this good resource? Sure seems complete. Any other good sources?

- I'm seeing lots of options for tool kits, single tools, etc. I'm hesitant to buy a kit right away since I have so many tools at home already for motorcycling, but clearly some tools are bicycle specific. Can somebody give a short rundown (or link to one) of the most essential tools I'll be needing? Clearly my sets of allen and torx from my motorcycle kits will work, but how abou tthe rest of it?

- Another tool question. I'm seeing things like "pedal wrenches" and things. They never usually show the actual dimensions of these wrenches. Are sizes for things like this standard on bicycles? Seems a bit confusing not knowing what I might need, but they aren't cheap either.

And of course, I'm perusing this thread for general information. It's a really great resource. Thanks for your help.
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Old 05-04-2012, 05:38 AM   #23787
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Quote:
Originally Posted by FinlandThumper View Post
- I was considering buying the Park Tool "Big Book" of bike maintenance. Is this good resource? Sure seems complete. Any other good sources?
Park's website is good too. Videos.

[quote]- I'm seeing lots of options for tool kits, single tools, etc. I'm hesitant to buy a kit right away since I have so many tools at home already for motorcycling, but clearly some tools are bicycle specific. Can somebody give a short rundown (or link to one) of the most essential tools I'll be needing? Clearly my sets of allen and torx from my motorcycle kits will work, but how abou tthe rest of it?[quote]Any more, that's about it. Maybe a pedal wrench, but most of my pedals are allen wrench only. My personal opinon: if/when you need it, buy it. No need to have a bunch of bicycle-specific stuff laying around collecting dust.

Quote:
- Another tool question. I'm seeing things like "pedal wrenches" and things. They never usually show the actual dimensions of these wrenches. Are sizes for things like this standard on bicycles? Seems a bit confusing not knowing what I might need, but they aren't cheap either.
If you're talking pedal wrench as in 'open ended wrench' they're going to be 15mm (with some of the older ones having a 9/16" side). If you're talking about allen wrench style, they're either 6mm or 8mm with the most likely size being 8mm

Quote:
And of course, I'm perusing this thread for general information. It's a really great resource. Thanks for your help.
No worries.

I still have a bunch of headset and bottom bracket tools from 20 years ago that are as useless as udders on a steer. They were important to have up until about 15 years ago tho so its not like it was wasted $

About the only thing you may need that's NOT an allen wrench is a set of cone wrenches and then only if you're running loose ball hubs.

Rode 4:06 yesterday with 'the guys.' It was either up or down. Very little flat. Culpeper north towards Warrenton, turn left, turn left, turn right, turn left onto 522 to drop one of the guys off at the house that was too pooped to party, then a short loop south of town and back. Not nearly 400km, but man! are my legs beat!

Got some new Bont A-1 shoes from a friend of a friend. Did the heat up and mold thing yesterday AM but didn't want to try a 4hr ride on shoes I would have just put cleats on. I'll save em for today/tomorrow and do a short ride first. Got another 5 hrs planned Sunday.

M
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Old 05-05-2012, 10:20 AM   #23788
markjenn
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The Park "blue book" is my go-to bicycle maintenance book. It seems to tread the fine line between gruesome detail (e.g., Barnetts) and being overly simplistic. It's approach to problems are very practical and it matches up nicely with Parks online information. Park tools are sometimes a little flimsy but they get the job done.

If you already have basic hand tools, my advice would be to NOT buy a standard bicycle toolkit as it will likely just duplicate a lot of what you have and will probably include tools that don't match up to your bike. Instead, I'd just set to wrenching and when you run into a problem that requires a special tool, go get it. (I'm fortunate in that I have a good bicycle shop nearby that has a good selection of tools in stock and they're not terribly expensive. They also are pretty good about doing repairs on the spot for stuff I don't have the tools for - for example, I don't have the tools for headset installation/removal, but if I take the frame/fork in ready to use the tool, they'll bash it in/out in seconds while I wait and usually don't bother charging me. Nuturing a good relationship with the wrenches at your local shop is a good thing!! There are a lot of things with bicycles that are ridiculously simple with the right tools and an absolute nightmare without.)

Here are the common things you'll likely need fairly soon:

1. Spoke wrench(s). I like the colored Park ones and have all three. You want to be absolutely sure you have one that fits TIGHT on the spoke nipple flats - if it doesn't require a little work to get the wrench around the nipple, you likely are using the wrong wrench.

2. Cone wrenches. Thin wrenches for adjusting wheel bearings. The sizes vary between hubs a bit so you need several. (Adjusting wheel bearings is a bit tricky - be sure you understand what is going on here - simply "backing off" a 1/4 turn like a car wheel bearing doesn't cut it.)

3. Chain-breaker tool. You can sometimes get by with the cheapie universal ones in bicycle multi-tools, but I like having a good shop tool for this.

4. Freewheel/cassette removal tool. This is something that you need specific for what you have on the rear of your bike. And if you have a modern cassette system, you'll also need a chain whip to hold the cluster while you remove the lockring.

5. Inch-lb torque wrench. Lots of light-duty torquing required on bikes.

6. Bottom bracket/crank removal tool(s). Another case where each system has its own special tool(s) for removal.

7. Cable cutter. It's almost impossible to make good clean cuts of cables and housings without a special tool.

8. Chainring nut wrench. Chainrings bolts use a strange nut on the backside that most of the time doesn't turn when you remove the bolt, but sometimes does and unless you have this cheap wrench, to hold this nut, getting the bolts out is very difficult.

That's all I can think of, but as I said, I think you should just dive in and get them as you go.

bikeforums.net has a pretty good section on bicycle mechanics, but like all forums there are some "my way or the highway" blowhards over there so you have to take everything with a little common sense.

Just ran across this the other day and it is a good resource for understanding parts, compatability, etc.

http://www.velobase.com/Default.aspx

I find bicycle mechanics a lot more approachable that motorcycle mechanics. More art than science. I recently did my first wheel-build and it was great fun.

- Mark

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Old 05-06-2012, 02:04 AM   #23789
Lewy
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I made a Go Pro timelapse of my ride to and from work on Friday

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Old 05-06-2012, 05:09 AM   #23790
fullmonte
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The 3 State century was tough yesterday. I got off to a terrible start on account of having to take a massive dump as the peloton was leaving the stadium. Then I had to pin on my race number, so I was at least 10 minutes behind the pack. The first hour was spent riding alone while passing scores of other riders. The weather ran the gamut with fog, then some rain with a hail chaser, and brutal afternoon sun made it an interesting ride. The goal was to conquer Burkhalter Gap (which is the last mountain climb of 2.4 miles with a grade that exceeds 20% at the top) without walking the bike. Standing on the pedals and seeing 3mph on the speedometer is a experience. Mission accomplished. Total of 102 miles on the odo in 6:23 at an avg speed of 15.9. My little brother rode it in 4:54, but he had to jump off and walk his bike up the steepest part of Burkhalter.

Yours truly.

A refreshing shower on the other side of the lake from where the previous pic was taken.

My brother (in the lead pack) is wearing the Gerolsteiner jersey in the right row. He hung with this group until the bottom of Burkhalter Gap at the 83 mile mark.

Busted! You're not doing it right.
edit: They got the pics up in a hurry this time.
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