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capacity of campagnolo record front deraileur

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capacity of campagnolo record front deraileur

Old 10-08-10, 06:01 PM
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gear freak
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capacity of campagnolo record front deraileur

from the book the dancing chain it seems to me the campagnolo deformable paralleogram record front derailleur was first made in 1968, this was an excellent design way ahead of its time. this is the first derailleur i ever used on a triple crankset which was half-step with a somewhat robust granny. i still use two of these & have i think 3 spares. this model went through several changes, including cutouts on the outer cage plate & being renamed a nouvo gran sport. campagnolo, to the best of my knowledge never made a nouvo record front derailleur, but this model was often paired with the nouvo record rear derailleur on production bikes, so confusion about its name is understandable. there was an inquiry a this site about capacity of this derailleur. i had taken some measurements of the front derailleur but i was not sure if my calculations were correct, so asked a mechanic at the legendary bicycle exchange. he wrote on the back of business card: 22(24), as he maximum difference between chainrings. he stated the 22 would work, sometimes the 24 but he did not know what would cause the 24 to work. understand this is a racing derailleur design for a double. i have never run out of latarel travel with this derailleur with this derailler but there were times it was close. i find it helps to juduciosly spread the cage slightly. i have a raleigh super course mark 2 with a 10.5" high bottom bracket & a holdsworth pro criterium frame with a 10.875" bottom bracket. i use the same 12-14-17-20-23-26-30 cluster on both bikes. on the raleigh the chainrings are 24-44-48, on the holdsworth 26-44-48. i use the 17-30 with the granny chainring, 7 & 4 cluster cogs with the centre & large chainings respectively (there is 1 duplication). so the bottom line is you have to try it, i am sure campy still makes deraileurs with similar cages. another super course of a smaller frame size i had to use a suntour mountech front to accomodate 28-49-54. i tried the record on a bike with 36-44--52 chainrings,the shifting was atrocious. the first crossover front derailleur was the simplex slj 523 of 1979, those were $20-$30. they worth that but not the & $115 i saw on an internet site.
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