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Sheldon Browns Cyclotouriste 13

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Sheldon Browns Cyclotouriste 13

Old 07-18-09, 06:50 AM
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Paco97
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Sheldon Browns Cyclotouriste 13

I've been doing some reading and came across this cassette and have a few questions. I have an 2007 Sequoia Triple Crank, Ultegra shifters, 105 FD & RD and am would like to switch out with this cassette.

1-Anyone use this cassette and what do you think?
2-Will it work on my sequioa?

I'm coming off a Giant Cypress 7spd and if I switch to the Cyclotouriste 13 then it will give me a very good range of gearing. The lower gears will be similar to my cypress with a few extra lower gears and the higher gears will be slightly higher. I think this will give me a very comfortable light touring gearing for riding the hills and mountains in WV where I live. Thanks for any insight you can give me!!
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Old 07-18-09, 08:05 AM
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The Cyclotourist cassettes were custom made by Harris using 12x27 Shimano 9-speed cassettes as the starting point. They discard the 12 and 13t cogs, replace them with a first position 13T cog and add a larger 30 or 32T cog behind the stack. If your rear derailleur will handle the larger big cog, they will work wonderfully.

I've often wondered why Shimano doesn't make a 13x27 cassette. Most riders who need a 27T really don't need a 12T cog, particularly with a 52 or 53T big chainring. I've custom made 13x27 9-speed cassettes doing a similar exchange. Discard the 12 and 13T cogs, fit a 13T first position cog and add a 16T middle cog. The problem lately is you can't get 16T individual cogs from anywhere so that approach is no longer a possibility.

Another way is to get wider gearing is to buy a 105 13x23 Shimano 9-speed cassette (yes Shimano made them in both Ultegra and 105 levels.). You have to remove the bolts holding the stack together but the 105 is all "full plate" cogs, there are no groups on spiders. Remove the 18T cog and it's spacer and add that spacer and 26 or larger cog behind the 23T. I've done this too.

BTW, Campy makes a 13x29T 10-speed cassette which is the hilly road riders dream gearing.
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Old 07-18-09, 08:14 AM
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Originally Posted by HillRider View Post
If your rear derailleur will handle the larger big cog, they will work wonderfully.
How would I know if my derailleur will handle the larger cog? Is it a matter of trying and seeing what happens.
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Old 07-18-09, 08:36 AM
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What is your current rd? Shimano road rd's (105, Ultegra, DA, etc.) are rated to handle a 27T cog as the largest but experience suggests they will usually work with a 30T cog if you thread the "B-screw" all the way. They sometimes work with a 32T and almost never with a 34T cog.

If your rear derailleur is one of Shimano's MTB derailleurs (Deore, LX, XT, XTR, etc.), these are rated to work with up to a 34T cog.
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Old 07-18-09, 08:41 AM
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Ok thanks for the info. Right now I'm running a Shimano 105 RD.
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