Join Date: Apr 2007
Location: Syracuse, NY
Bikes: 2008 Novara Randonee - love it. Would have more bikes if I had time to ride them all. Previous bikes: 1968 Motobecane Mirage, 1972 Moto Grand Jubilee (my fav), Jackson Rake 16, 1983 C'dale ST500.
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It appears to me that your derailleur is integrated with the clamp, so you would have to get a lighter clamp-on derailleur. As for reducing weight, with the lightest derailleur available you would save probably 50 grams or so. If your goal is to brag about how light your bike is or how much weight you took off then go for it.
But if your goal in any way is to improve speed or performance then forget it and just ride. You could spend dozens of hours and hundreds of dollars to shave 4 lbs/1800grams (a huge amount) off a 20+lb bike, which at speed would gain you less than a 1% advantage, and at best about 2% on a pure climb.
The catch here is that you have to subtract from that benefit the amount of speed you lost from the hours spent researching, ordering and installing the weight weeny parts instead of riding. Also, if just one of those lightweight parts fails on a ride you will quickly lose all the minutes you saved.
Last edited by cny-bikeman; 09-19-12 at 07:02 AM.