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Date Posted: 01:20:05 01/10/07 Wed
Author: Jeff
Subject: Re: Compact cranks
In reply to: Ian Sims 's message, "Re: Compact cranks" on 18:07:56 01/07/07 Sun

Yep, I am with Ian. According to the review in the latest endurance mag, a 50/11 front combo is the same as a 53/12.
Taller actually if this is right.. http://www.wvcc.org.nz/trackgears.htm

If Cippo is using a 53-11, what are we doing with one? But a 50-11 I makes more sense when used with a lower 36 on the front. There are many people using them in Wellington these days, and not just old slow guys. Mark Renall and Jason Mcarty both use compact drive and they climb pretty well!

>>Does anyone have any direct experience of compact
>>cranks? I'm told that they are good for old fellas on
>>hills but am reluctant to shell out for something I
>>don't know much about apart from what I've read. All
>>opinions gratefully received.
>Robin, I don't have any specific experience of compact
>cranksets. However, rather than commenting on getting
>a lower gear by using a 36 or 34 chainring I would
>like to make an observation on the higher gears.
>On my timetrial bike I have a 53 tooth chainring, and
>mostly use the 15-17 cogs at about 100 rpm. That is
>between 93 and 82 inch gear. I would get similar gears
>on a 50 tooth chainring with 14-17 cogs. The point
>being that for most of us mortals road bikes are
>generally over-geared. I reckon I could happily ride
>with a 48 tooth outer chainring (11 tooth smallest
>cog), which should give ample capacity for a 34 tooth
>inner ring.

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