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Old 02-22-09, 02:30 PM   #1
frothyllama
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shimano 105

what speed is the shimano 105????
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Old 02-22-09, 02:36 PM   #2
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From: http://sheldonbrown.com/k7.html#roadmtb

Note, also that rear derailers do not care how many gears you have. You do not need to have a so-called "10-speed" derailer to use a 10-speed cassette. This is true of all Shimano derailers with the exception of 1996 and earlier (pre-9-speed) Dura-Ace units.
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Old 02-22-09, 05:36 PM   #3
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What does matter is your shifter. A friction-shifter setup will shift through all ranges. But an indexed-shifter has to match the number of gears you have in the rear, and how many chainrings you are running up front. So if you have a 9spd cassette in the back - you need a 9spd shifter. 3 chainrings? You need a 3spd shifter for the crankset.
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Old 02-22-09, 05:50 PM   #4
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Originally Posted by frothyllama View Post
what speed is the shimano 105????
At least 5 million.

FFS, it even says 5600gs in the image name. Please.
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Old 02-22-09, 06:08 PM   #5
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If anything, that looks like a long cage derailleur which means it will work on a double or a triple.
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Old 02-22-09, 06:33 PM   #6
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so i can use it with my 18 speed bike is what your saying????
Generally, yes. But when you say 18-speed, do you mean 2x9 or 3x6?

Also, what's the range of gears (cogs) in the back? That rear derailleur is rated for up to 27-teeth, but that may be able to be exceeded somewhat.
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Old 02-22-09, 06:53 PM   #7
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You can bet on it. A "medium" RD is more like a long-cage. The "long-cage" you see - rarely - are really long and designed for all-out mountain-bikers. Mediums will handle most situations. And Shimano shoots itself in the foot by saying 27T is maximum. Nonsense. I run Ultegra RD's and have seen them easily take on a 30 - 32T in the rear. Apparently the max-size is referring to the largest size in that particular gruppo.

Shimano discourages customers in this way, and the max-size they list should be ignored. I just installed a FD (Shimano) that was max at 44-48T (FD-M961). I put this on to work with an Ultegra triple - 30-39-52. It has plenty of room to spare and shifts flawlessly.

Wake up, Shimano!

Last edited by Panthers007; 02-22-09 at 06:56 PM. Reason: Syn
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Old 02-22-09, 07:17 PM   #8
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At least 5 million.

FFS, it even says 5600gs in the image name. Please.
If you're going to take that tact, the precise answer is uncountably infinite (the cardinality of the real number set).
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