9 speed cassette with 10 speed derailer question
11-29-07, 02:15 PM
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9 speed cassette with 10 speed derailer question
I have two old wheels that couldn't stay true and have been replaced. I also have a couple slightly used 9 speed 105 cassettes . My son's road bike is 10 speed Dura Ace. He uses the bike both on the trainer and when ever possible on the road. He's just out of college and doesn't have the money to purchase new tires or a complete rear wheel for use on the trainer. Keeping the older Mavic rim straight for the trainer won't be an issue. If I put the used wheel and 9 speed cassette together with an old tire can it be used on the 10 speed system without adjusting the derailer everytime the wheels are switched? Would it be better to purchase a cheap 10 speed cassette? I hate to see him using up his tires on the trainer when there could be an alternative.
11-30-07, 10:21 AM
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The 10-speed rear derailleur should work fine, though you may have to adjust the barrel adjustment and stops when you swap from a 10- to 9-speed cassette.
The real issue though is that you have 10-speed shifters on a 9-speed cassette. I would swap out the cassette. A 10-speed 105 cassette can be had for $50, and it will slide onto your 9-speed freehub no problem.
The real issue though is that you have 10-speed shifters on a 9-speed cassette. I would swap out the cassette. A 10-speed 105 cassette can be had for $50, and it will slide onto your 9-speed freehub no problem.
11-30-07, 10:36 AM
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+1 to all of that.
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11-30-07, 10:39 AM
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re: running 10s shifters with a 9s cassette, this tip from Sheldon Brown may be useful.
This alternate cable routing will also let you use a 10-speed shifter with a 9-speed cassette. This provides a convenient upgrade path.
11-30-07, 10:54 AM
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This is where we need electronic shifting. Toggle a switch and you can have whatever you want: 5,6,7,8,9, or 10 speeds.
You should probably just get a cheap 10 speed cogset for the wheel. Might as well do it right and have it work well than to kludge something together and make the whole setup annoying to use. Probably what I'd do, since Christmas is around the corner, is get him a present early and buy him a Dura Ace cogset in a different range that he has now - that way you kill two birds with one stone: He gets a cogset for each wheel, and when he is doing riding in varying terrain, he can have a choice of cogsets.
The very cheap route is just to buy him a chain whip and a cogset removal tool and have him change cogsets out when he wants to change wheels. It might be a bit annoying for him to do each day, but it doesn't take very long and cannot be as much of a hassle as doing something extreme like changing his cable routing of his derailleur or living long, boring hours on the trainer listening to the clickity-clackity of a slightly out of tune derailleur.
You should probably just get a cheap 10 speed cogset for the wheel. Might as well do it right and have it work well than to kludge something together and make the whole setup annoying to use. Probably what I'd do, since Christmas is around the corner, is get him a present early and buy him a Dura Ace cogset in a different range that he has now - that way you kill two birds with one stone: He gets a cogset for each wheel, and when he is doing riding in varying terrain, he can have a choice of cogsets.
The very cheap route is just to buy him a chain whip and a cogset removal tool and have him change cogsets out when he wants to change wheels. It might be a bit annoying for him to do each day, but it doesn't take very long and cannot be as much of a hassle as doing something extreme like changing his cable routing of his derailleur or living long, boring hours on the trainer listening to the clickity-clackity of a slightly out of tune derailleur.
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Last edited by Brian Ratliff; 11-30-07 at 11:03 AM.
11-30-07, 11:11 AM
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Thanks everyone for the input. I really like the idea of buying a DA cogset in a different range or go cheapo and get the 105 in a different range. I already bought him new shoes to ride in so we may be at our limit in $ spent for the holiday. I have a chain whip and use it but usually I get bloody knuckles so I don't want to make that a family trait.
11-30-07, 12:42 PM
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^^^
I know... but it's Christmas and all that...
I know... but it's Christmas and all that...
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Cat 2 Track, Cat 3 Road.
"If you’re new enough [to racing] that you would ask such question, then i would hazard a guess that if you just made up a workout that sounded hard to do, and did it, you’d probably get faster." --the tiniest sprinter
Cat 2 Track, Cat 3 Road.
"If you’re new enough [to racing] that you would ask such question, then i would hazard a guess that if you just made up a workout that sounded hard to do, and did it, you’d probably get faster." --the tiniest sprinter
11-30-07, 12:45 PM
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Or the compromise is Ultegra for about $65.
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Cat 2 Track, Cat 3 Road.
"If you’re new enough [to racing] that you would ask such question, then i would hazard a guess that if you just made up a workout that sounded hard to do, and did it, you’d probably get faster." --the tiniest sprinter
Cat 2 Track, Cat 3 Road.
"If you’re new enough [to racing] that you would ask such question, then i would hazard a guess that if you just made up a workout that sounded hard to do, and did it, you’d probably get faster." --the tiniest sprinter
11-30-07, 04:22 PM
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Or the compromise is Ultegra for about $65.
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11-30-07, 04:46 PM
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