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Old 11-07-09, 01:51 PM   #1
guy2600
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8sp compatible triple crank help

I'm looking to upgrade my triple crankset but have an 8sp rear cassette setup. Most every crankset I've seen lists 10 sp or 9 sp. Do any of the current shimano cranksets work with an 8sp cassette? Any insight would be appreciated....
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Old 11-07-09, 02:06 PM   #2
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Most any crank would.

http://sheldonbrown.com/harris/cranks/13074.html
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Old 11-07-09, 02:32 PM   #3
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That's useful information. I wonder if I go with a 10 sp triple and a 10 sp chain if that would eliminate any issues. Maybe there is hope :-)
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Old 11-07-09, 09:11 PM   #4
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I am running a 10 spd triple with a 7 speed freewheel using an 8 speed chain. The clearances just are not that big of a deal until you get to 11 speed and even then I bet you could run a 9 speed chain and be just fine.
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Old 11-08-09, 04:44 AM   #5
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I am running a 10 speed triple chainset with an 8 speed cassette and chain for about 5 years without any problem. No need to get an 9 or 10 speed chain.
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Old 11-08-09, 08:17 AM   #6
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Thanks for the help, looks like I'll be picking up a new crank
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Old 12-07-09, 07:07 PM   #7
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Originally Posted by guy2600 View Post
That's useful information. I wonder if I go with a 10 sp triple and a 10 sp chain if that would eliminate any issues. Maybe there is hope :-)
DO NOT DO THIS. A 10 speed chain will be too narrow for an 8s cassette. Just use a standard 8s chain with a 10s crank, it'll work fine.
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Old 12-09-09, 05:09 PM   #8
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After doing a lot of digging, I just decided upgraded everything to 9 speed groupset. It shaved nearly 3 lbs off with 1.2 lbs coming from the crank alone (FSA RPM triple to DA 7703 triple). I was amazed how heavy that 8 speed stuff was. Now got to get my bodyweight down to 175. Can't wait till the rest of the parts come it to assemble it all :-)
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Old 12-15-09, 12:58 PM   #9
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I have a DA 7703 triple crankset (172.5) for sale, if you're interested.
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