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Allan journeyman Reged: 05/04/04 Posts: 198 Loc: Bds,W I Re: Record 10 Short Cage with 13/29       07/27/04 06:03 PM (66.205.8.130) Edit   Reply   Quote   Basically the reason for using longer cage derailleurs with bigger rear cog combinations is so that the extra length of the cage acts as an additional spring loaded lever to absorb the greater ammount of chain length used with larger ratios.Also if you use a short cage derailleur with a rear cog larger than a 25 you can instantly see the chain wrapping itself completly up under the bottom portion of the 25 and the cage arm being pulled excessively forward as the spring will allow. Moreso if you use the large chainring with the 25,and you listem carefully when pedalling you will also hear the chatter that goes with this situation and a shift under this condition can eventually damage the derailleur cage. Why is this such a hard concept to understand and that its easier to just use a longer cage as necessary with wider ratios since thats what they are made for. -------------------- Its time to ride. Post Extras

Entire thread Subject Posted by Posted on Record 10 Short Cage with 13/29 AvastThar 06/22/04 04:40 PM Re: Record 10 Short Cage with 13/29 Max   07/27/04 02:47 AM Re: Record 10 Short Cage with 13/29 Allan   07/27/04 06:03 PM Re: Record 10 Short Cage with 13/29 gmason   10/30/05 08:47 AM Re: Record 10 Short Cage with 13/29 Allan   11/03/05 12:10 AM Re: Record 10 Short Cage with 13/29 gmason   11/03/05 07:24 AM Stick to Campagnolo guidelines is the safe bet... BlueJays   10/01/07 09:42 AM Re: Record 10 Short Cage with 13/29 frikinspit   03/11/08 05:52 AM Re: Record 10 Short Cage with 13/29 gmason   10/31/05 07:22 AM Re: Record 10 Short Cage with 13/29 Allan   06/23/04 12:45 AM Re: Record 10 Short Cage with 13/29 foothillbiker   07/12/04 05:08 AM Re: Record 10 Short Cage with 13/29 flyaway   07/13/04 05:50 AM

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