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New chain and cassette after 1 year?
- biker jk
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Re: New chain and cassette after 1 year?
Postby biker jk » Thu Feb 10, 2011 3:49 pm
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Re: New chain and cassette after 1 year?
Postby Cruiserman » Thu Feb 10, 2011 5:04 pm
1986 Spokesman Model 11 Racing - Campag Nuvo Record - Stronglight - Shimano 600

- jacks1071
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Re: New chain and cassette after 1 year?
Postby jacks1071 » Thu Feb 10, 2011 6:38 pm
vinvin wrote:Really rough estimate of use would be about 3500-4000km?
Without seeing it, you might have kept the chain too long which then causes excessive wear on the cassette. I normally get 3000km out of mine but with a lot of care. One of my buddies is about 96kg and he only gets about 2000km before he has 1mm of stretch.
Get yourself a measuring gauge for the chain and you can keep it yourself. I find that if you keep the chains up to the bike, keep them oiled the cassettes last a really long time.
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Re: New chain and cassette after 1 year?
Postby vinvin » Thu Feb 10, 2011 8:45 pm
RobdogRobdog wrote:wombatK wrote: will help her avoid the temptation to be such a tight-ass that she lets it go too long and wears cassette rings etc.,.
Cheers

Thanks everyone for their replies. I am definitely no bike mechanic and for the most part I'm happy to let the lbs do the tricky stuff. I did/do clean and lube it regularly, but it was such a cold, wet and gritty year on our roads, and I'm hopelessly short of time, so it probably did get away from me a bit.
The bike shop speculation was pretty amusing and only one of you was right in the end. Also, I'm sort of "friends of friends" with them, so I'm comfortable with taking their lead on this occasion and will monitor it more closely from now on.
Goodspeed, guys.
- DavidS
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Re: New chain and cassette after 1 year?
Postby DavidS » Thu Feb 10, 2011 9:54 pm
DS

Cannondale Quick Speed 2, Allegro T1
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Re: New chain and cassette after 1 year?
Postby rowdyflat » Thu Feb 10, 2011 11:48 pm
2-3,000 kms is nothing on a roadbike if lubed + you use most gears.
Its the lengthening of the chain due to rivet wear that causes the damage.
So new chain is exactly 12 links =12 inches.
When its 12+1/8th its starts to cause wear.
Options are 1.change chains often alternating 2 or 3 =too obsessive for lazy me but most economical .
2.Change chain + cassette when it starts to slip or before the chainrings wear too much=good.
3.Wait til the whole lot is RS at 12 + 3/16th inches.
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Re: New chain and cassette after 1 year?
Postby DavidS » Sun Feb 13, 2011 12:24 am
DS

Cannondale Quick Speed 2, Allegro T1
- Aushiker
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Re: New chain and cassette after 1 year?
Postby Aushiker » Sun Feb 13, 2011 1:32 pm
rkelsen wrote:vinvin wrote:Really rough estimate of use would be about 3500-4000km?
Sounds about right. Push it for too much longer and you'll need to replace the chainrings too.
Hi
Not in my experience. I am on my second or third chain now which is going 9,000 km +. The one on the bike is not showing a level of wear to warrant a change when measured with a Shimano TL-CN41.
Andrew
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Re: New chain and cassette after 1 year?
Postby limetang » Sun Feb 13, 2011 9:15 pm
Just to be sure though during a recent order of sale items from Ribble I picked up a Ultegra 6700 chain and 5700 105 cassette + chain whip for when the need arises, all for about $75
- twizzle
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Re: New chain and cassette after 1 year?
Postby twizzle » Tue Feb 15, 2011 12:46 pm
limetang wrote:Just used Sheldon Browns 12' Ruler way to measure my chain, no stretch at all in 4500km, cassette still looks as new (Ultegra 6600 the both of them)
Just to be sure though during a recent order of sale items from Ribble I picked up a Ultegra 6700 chain and 5700 105 cassette + chain whip for when the need arises, all for about $75
Either you are really light... or your 12" ruler isn't quite 12".
I have two rulers, one of them is off by ~ .7mm.
...real cyclists don't have squeaky chains...
- Jangari
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Re: New chain and cassette after 1 year?
Postby Jangari » Tue Feb 15, 2011 1:57 pm
After amassing the parts off ebay and online bike stores (OEM chain, Ultegra cassette and SRAM chainrings, total $110) I took all to a local community bike shed workshop place, where members get to use tools and access volunteers' expertise for free. The new setup is absolutely beautiful. I don't remember this bike being so smooth. Prior to the replacement, gear changes were slow, sometimes requiring overshift and the correction(for going into smaller sprockets) or slight pulling of the shifter (to go up). The chain would often come off, slip down a gear and then back up, and occasionally (I couldn't easily replicate this) it would sit on the edge of the teeth of the chainring.
I probably could have extended the life of the cassette if I replaced the chain about 1000km ago, and if I'd noticed the missing chainring bolt when it happened, but I estimate I'd probably have had to replace the cassette after a couple of thousand more km anyway.
Above all, I'm getting a second bike for commuting (instead of taking my racer through Melbourne's northern suburbs doing 35-40km/h on quiet streets).
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Re: New chain and cassette after 1 year?
Postby ironhanglider » Tue Feb 15, 2011 2:07 pm
twizzle wrote:limetang wrote:Just used Sheldon Browns 12' Ruler way to measure my chain, no stretch at all in 4500km, cassette still looks as new (Ultegra 6600 the both of them)
Just to be sure though during a recent order of sale items from Ribble I picked up a Ultegra 6700 chain and 5700 105 cassette + chain whip for when the need arises, all for about $75
Either you are really light... or your 12" ruler isn't quite 12".
I have two rulers, one of them is off by ~ .7mm.
Which one? (or both by .35mm).

Cheers,
Cameron

- twizzle
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Re: New chain and cassette after 1 year?
Postby twizzle » Thu Feb 17, 2011 9:12 pm
ironhanglider wrote:twizzle wrote:limetang wrote:Just used Sheldon Browns 12' Ruler way to measure my chain, no stretch at all in 4500km, cassette still looks as new (Ultegra 6600 the both of them)
Just to be sure though during a recent order of sale items from Ribble I picked up a Ultegra 6700 chain and 5700 105 cassette + chain whip for when the need arises, all for about $75
Either you are really light... or your 12" ruler isn't quite 12".
I have two rulers, one of them is off by ~ .7mm.
Which one? (or both by .35mm).
Cheers,
Cameron
The one that didn't match the expensive vernier calipers.
...real cyclists don't have squeaky chains...
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