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That 10th Cog(11 posts)

That 10th CogMikeC
Nov 12, 2001 3:17 PM
When I bought my Record 10 group, I wasn't looking for that magical 1-tooth spacing to help me maintain the perfect cadence. No, I was looking for a bailout gear, so I selected the 13-29 cassette and the medium cage rear.
But I never used it until this past weekend.
We were visiting my in-laws in Pennsylvania's Pocono Mountains, and I'd brought my bike along for some therapy. After about thirty miles just riding around, I found this road that did a pretty good job on me. It's not that it was a long, uphill grind. It was just seven miles of 30-40 roller coaster ups and downs, combined with blind curves and a lousy road surface that never let me get above 34 mph on a descent. Near the end, I was even afraid to stand up because it's tough to unclip when you're exhausted and out of the saddle, and I was afraid that I might actually grind to a halt. So I shifted into the 29 cog for the first time. Hallelujah! What a difference two teeth can make!
But my real appreciation for it came a little later. I called my father-in-law from my cell phone to ask about a route back, and he told me that there were no real alternatives. I had to do the same road back the other way!
For my normal kind of riding, I could never justify a triple. But it was sure nice having that 29 when I needed it.
re: That 10th CogDINOSAUR
Nov 12, 2001 3:45 PM
I know what you mean, I recently changed from a Ultegra 12-25 to a Dura Ace 12-27. What a difference two teeth make.

I'm Seriously comtemplating going Campy Record or Chorus 10 with my next bike or upgrade. The 13-29 sounds like the ticket. The only reservations I have is about the Campy 10 speed chain, someone enlighten me and I'll be a serious buyer....
Did you change chains when you went DA? (nm)Elefantino
Nov 12, 2001 3:52 PM
Nov 13, 2001 8:53 AM
I replaced my first 10 sp chain...MikeC
Nov 12, 2001 6:05 PM
...after 3,800 miles. It wasn't significantly stretched, but I was getting a new frame and decided I might as well replace the chain. No link problems. I'm more of a spinner than masher, however.
I replaced my first 10 sp chain...brider
Nov 13, 2001 8:28 AM
The Slowtwitch site had a review of a replacement aftermarket chain for Campy 10 speed. If I remember right, it was about 1/2 the price or so. Check it out:
same here dino ...breck
Nov 12, 2001 6:33 PM
after 10 years running Shimano first 7-speed & then 8-speed am "seriously" thinking Campy 10-speed for the better gear spacing here in the mountains from 12 or 13 to 2X or so. Post the 'bored' if you do it, etc :)

hay sunday was our b'day!
semper fi
er. make tht sat ...(:breck
Nov 12, 2001 6:37 PM
yikes! old age, etc! :)

cheers dino
Nov 13, 2001 5:22 AM
I got the Campy 13-29 cassette on my Gios and have never regretted it. I rarely ever use the 29, but it sure is nice to have it. The week after I got the bike, I went on a week-long bike tour in Southern Ohio, which is very hilly. I used the 29 frequently, more and more as the week wore on and my legs got more tired. Our longest ride of the week was 85 miles, and that day also turned out to be the hilliest. Have those extra gears really saved me.

I also have a Bianchi with Ultegra and 12-27 cassette, which is almost as good as the 29. I am a spinner more than a masher, so having those low gears is more important to me than top end speed. I see a lot of bikers pushing 12-23 cassettes and really punishing themselves on the hills, and I don't understand why they don't switch. My Bianchi started out as a 12-23 and then a 12-25, before I got the 12-27.
me tooDog
Nov 13, 2001 7:19 AM
I use it, too, on long mountainous rides. Rarely used, but needed when I do (btw, it jumps from 26 to 29).

You can combine a 12-25 with a 13-29 and get a bit wider range. Takes some fiddling around, though.

re: That 10th CogCliff Oates
Nov 13, 2001 8:13 AM
Yup, it comes in handy for me too. I try to save it for special occasions, like a local century that features a mile long 14% climb 90 miles into the ride. Beats the heck out of walking.

Dino - the chain is fine.