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Old 08-29-10, 02:38 PM   #1
Long Run Nick
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How many miles on tires and chain before replacing?

I have a Trek FX 7.3 Hybrid with Bontrager Race Lite-Hard Case 700x32. Bought the bike in May. Have close to 2,500 miles on it. All road riding. I am 5'10" and weigh 145-150. Currently all systems go. Ofcourse the rear tire shows more wear but still looks OK. So far, no flats. When getting new tires should I stay with the same tire? I use the bike to cross train: normally average 14-15 mph. I run 30-50 miles per week. Hey, I am only 67 (in a couple of weeks). Same question on chain. Your input appreciated. Nick
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Old 08-29-10, 02:47 PM   #2
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If you like the tires and can find some new ones, get them.
I get 6000 to 9000 miles from chains. I clean and lube them about every 500 to 600 miles.
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Old 08-29-10, 02:52 PM   #3
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chains last longer if kept clean and lubricated, replace when 'stretched'
1/2" pitch links start out 12.00" of chain goes center to center on the pins.

when the centers no longer fall on the 0-12" marks , but are a 16 th longer
consider replacing chain .. 12.0625"

when let go past 12.125" you are wearing out the cassette and chainring teeth
too quickly..


I'm not above swapping rear tires for the less worn front one, rotation,
and so wear them both out before age alone takes its toll..
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Old 08-29-10, 07:45 PM   #4
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Wow, most of us don't have to worry about such things within the first year! you ride a lot of miles. Great job, Nick!
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Old 08-29-10, 08:03 PM   #5
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Race Lite Hardcase tires came on one of my Treks. I get about 3,500 on a rear one, and almost 8,000 on the front.

This explains why I buy tires in sets of three. The front one is worn out right around the time the second rear one is. It's a lot easier than rotating them front to rear.
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Old 08-29-10, 08:07 PM   #6
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My LBS recently told me to expect to replace chains after about 1000 miles, which seems low to me.
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Old 08-29-10, 08:44 PM   #7
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My LBS recently told me to expect to replace chains after about 1000 miles, which seems low to me.
Find a new lbs.
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Old 08-29-10, 09:28 PM   #8
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Find a new lbs.
So, what should an LBS say?
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Old 08-29-10, 09:38 PM   #9
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So, what should an LBS say?
  1. Keep your chain clean and lubed.
  2. Check for wear with a ruler (as fietsbob described above) or use a chain checker.
  3. When the chain checker says it's at 1%, or your ruler says 12 1/8", replace the chain.

That's what a reputable LBS should say.

Chains can wear out in 500 miles or less, but that's a special case of mud and mountain bike racing. Even riding straight through winter's slush, grit and salt, I get better than 1,000 miles on my winter chain. In the three-seasons, about 2,500. And I'm pretty hard on chains. I ride with people who get twice the mileage I do.
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Old 08-29-10, 10:20 PM   #10
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Quote:
Originally Posted by gbiker View Post
My LBS recently told me to expect to replace chains after about 1000 miles, which seems low to me.
Quote:
Originally Posted by gbiker View Post
So, what should an LBS say?
"expect to spend money here every 1,000 miles, even if you didn't need to"

what, too honest?
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Old 08-29-10, 10:55 PM   #11
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"expect to spend money here every 1,000 miles, even if you didn't need to"

what, too honest?
I will look for an LBS that says that. Thanks!
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Old 08-30-10, 03:26 AM   #12
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Quote:
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  1. Keep your chain clean and lubed.
  2. Check for wear with a ruler (as fietsbob described above) or use a chain checker.
  3. When the chain checker says it's at 1%, or your ruler says 12 1/8", replace the chain.


That's what a reputable LBS should say.
I agree with that except that I personally wouldn't let a chain get to the 1/8" point, by then you're probably wearing the cassette and the new chain will wear faster as a result.

Quote:
Chains can wear out in 500 miles or less, but that's a special case of mud and mountain bike racing. Even riding straight through winter's slush, grit and salt, I get better than 1,000 miles on my winter chain. In the three-seasons, about 2,500. And I'm pretty hard on chains. I ride with people who get twice the mileage I do.
Really? I've never seen a 9 or 10 speed chain last 5000 miles. Anyway, the best advice the OP can take is to clean frequently and check for wear as he approaches 1000 miles, and every couple of hundred thereafter.
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Old 08-30-10, 04:12 AM   #13
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Ride IGH and get 8,000+ miles out of your chains

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Old 08-30-10, 09:10 AM   #14
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My LBS recently told me to expect to replace chains after about 1000 miles, which seems low to me.
I replaced my OE 7.3 chain at 1100 miles, should have been closer to 1000, but I ride mostly in stop and go urban traffic which is harder on a chain than riding uninterrupted road miles. Purchasing a chain checker or having an LBS check your bike's chain is a better way to determine when to replace your chain. I've had one OE chain wear out in as little as 300 miles.
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Old 08-30-10, 09:28 AM   #15
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My LBS recently told me to expect to replace chains after about 1000 miles, which seems low to me.
You replace them when they are worn. 1000 miles is a very short life for a well-maintained chain. I suspect he meant you should start checking for wear at 1000 miles.

Most of the LBS clients probably take 5 years to get to 1000 miles on bikes they leave out in the rain and don't lubricate!

Quote:
Originally Posted by chinarider View Post
Find a new lbs.
The LBS didn't say that he would need to change it.

Quote:
Originally Posted by Cyclaholic View Post
"expect to spend money here every 1,000 miles, even if you didn't need to"

what, too honest?
No, that isn't necessarily what the LBS said.

Quote:
Originally Posted by tsl View Post
That's what a reputable LBS should say.

Chains can wear out in 500 miles or less, but that's a special case of mud and mountain bike racing. Even riding straight through winter's slush, grit and salt, I get better than 1,000 miles on my winter chain. In the three-seasons, about 2,500. And I'm pretty hard on chains. I ride with people who get twice the mileage I do.
We have no idea that this LBS would not actually measure the chain for wear.

Checking the chain every 1000 miles or so is reasonable advice.

Many people never lubricate their chains.

People seem to be very good at reading too much into off-the-cuff remarks people make. You guys must all be telepathic!

Last edited by njkayaker; 08-30-10 at 09:42 AM.
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Old 08-30-10, 01:10 PM   #16
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i have a 7.5 fx that i purchased a little over a year ago- i'm rolling up on 5000 miles
and just replaced the front tire, the back tire went at 3800.
i've replaced the chain already and am going on my third set of brake pads
this bike is used for commuting and takes a beating but so far the drivetrain is fine

Last edited by lshaped; 08-30-10 at 01:34 PM.
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Old 08-30-10, 06:32 PM   #17
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You guys must all be telepathic!
And you're apparently not very good with reading comprehension. He wrote
Quote:
Originally Posted by gbiker View Post
My LBS recently told me to expect to replace chains after about 1000 miles, which seems low to me.
I responded to what was written.

You're the one who replied based upon his own suspicions, rather than what was actually written.
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I suspect he meant you should start checking for wear at 1000 miles.
So if you're not telepathic, was it your ouija board?
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Old 08-30-10, 08:14 PM   #18
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FWIW I have 6,000 miles on my cassette and almost 4,000 miles on my (Ultegra 9 sp) chain. I haven't measured in a while since I figure I will replace the chain & cassette at the same time. I actually thought I was going to have to do this 1-2,000 miles ago (based simply on mileage) but everything is working fine, so I figure I'll leave well enough alone till I start having problems. I do lube regularly & keep things relatively clean, but I'm not fanatical about it.
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Old 08-30-10, 08:17 PM   #19
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And you're apparently not very good with reading comprehension. He wrote
Quote:
Originally Posted by gbiker View Post
My LBS recently told me to expect to replace chains after about 1000 miles, which seems low to me.
I responded to what was written.
+1
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Old 08-30-10, 09:39 PM   #20
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Today I happened to stop in at my LBS and asked to use their chain checking tool. I have a wipperman that has about 8000 miles or more on it. The tool was just into the red so I had to replace it. Cleaned once a week. Wiped down after every ride. Light oil once a week. The most stretch seems to have happened in the last 500 miles. But I don't ride in the rain on my good bike ever and we have relitively good weather all year long. My cassettes are pretty new and I am about to change the big chain ring even though there doesn't seem to be too much wear. It has 12000 miles on it and with a new chain it is reasonable to replace so I don't wear out the new chain.

I have tried several tires and gaterskins seem to last about as long as any. The most I ever got out of a set of tires is 2600 miles and that is because I do rotate the front and back about every 600 miles.
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Old 03-24-14, 12:55 AM   #21
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I have ridden well over 10,000 miles on my previous chain.... and currently have been running the same set of training tires for nearly a year, 15,000 miles, but they are well on their last legs
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Old 03-24-14, 11:58 AM   #22
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Lots of Zombie Threads recently. Is it almost Spring, yet?

Got any images of what a 15,000 mile tire looks like? My tires tend to become holy/holey long before they reach impressive miles.
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Old 03-24-14, 02:10 PM   #23
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Got any images of what a 15,000 mile tire looks like? My tires tend to become holy/holey long before they reach impressive miles.[/QUOTE]

LOL. Had about 5000 on my Michelin Pro 4 and started to get flats on the slightest glass piece. 15,000 miles has got to be a record. Chain was told by numerous shops should be replaced by at least 5,000 miles just so it doesn't wear on your cassette too much.
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Old 03-24-14, 07:50 PM   #24
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Lots of Zombie Threads recently. Is it almost Spring, yet?

Got any images of what a 15,000 mile tire looks like? My tires tend to become holy/holey long before they reach impressive miles.
Never gotten a tire to go that long... I think my record was 4k and that was pushing it.

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Old 03-24-14, 07:59 PM   #25
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Quote:
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I have a Trek FX 7.3 Hybrid with Bontrager Race Lite-Hard Case 700x32. Bought the bike in May. Have close to 2,500 miles on it. All road riding. I am 5'10" and weigh 145-150. Currently all systems go. Ofcourse the rear tire shows more wear but still looks OK. So far, no flats. When getting new tires should I stay with the same tire? I use the bike to cross train: normally average 14-15 mph. I run 30-50 miles per week. Hey, I am only 67 (in a couple of weeks). Same question on chain. Your input appreciated. Nick
As many as it takes to wear them out.

Measure the chain with a ruler. When pins which used to measure 12" apart get to 12 1/16" replace it. Sometimes that takes 10,000 miles. Sometimes it takes 1000 miles.

When cords show in the rear tire throw it out, move the current front tire to the rear, and install a new front tire. Fast light tires can wear out after 2500 miles in back. Heavy tires might make it 10,000 miles in back and twice that if they never left the front wheel.

If the tire doesn't have a protective layer of some aramid fiber like Kevlar or Vectran and was just relying on thickness to keep sharp things away from the tube you may need to replace it sooner due to an unacceptable flat rate.

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