Campagnolo 0304, (Nuovo) Gran Sport (144 BCD; bianchi labeled)
Main Photo
Category:  Cranksets
Name:  Campagnolo 0304, (Nuovo) Gran Sport (144 BCD; bianchi labeled)
Brand:  Campagnolo
Primary Group:  (Nuovo) Gran Sport
Model:  0304
Years:  1980's
Country:  Italy
Weight:  608 grams (Actual),
for 53/42; incl. dustcaps
Added By: Tombo on 05/04/16
Updated By: Tombo on 05/04/16
Additional Photos - click for full size
Campagnolo 0304, (Nuovo) Gran Sport (144 BCD;Campagnolo 0304, (Nuovo) Gran Sport (144 BCD;Campagnolo 0304, (Nuovo) Gran Sport (144 BCD;Campagnolo 0304, (Nuovo) Gran Sport (144 BCD;Campagnolo 0304, (Nuovo) Gran Sport (144 BCD;Campagnolo 0304, (Nuovo) Gran Sport (144 BCD;Campagnolo 0304, (Nuovo) Gran Sport (144 BCD;Campagnolo 0304, (Nuovo) Gran Sport (144 BCD;
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Chainring CountDoubleBCD 144mm
BB StyleSquare Taper (ISO)Pedal Threads9/16" x 20 (English)
BB Length 113mm (70-SS G.S. BB)Flutes Crank Arm; Spider
Lengths 170Arm/Spider MaterialAluminum Alloy
Front Markings"G.S." + the winged Campa wheel logo w/o shield;
"9/16 X 20F"
Back Markings"C" in a diamond; {Length};
"Strada"; "8" in a diamond
Extractor Threading 22x1mm (Standard)  
General Information
A Gran Sport crankset (53/42) with a Bianchi-labeled outer chain ring; maybe a cropped Campa #753 (Record) or #753/GS chain ring.
While the inner ring is marked with a "C" in a diamond for Campa, there are no specific markings - except a "3" - on the outer ring.

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Additional Resources
Resources:Reference & ChartsCatalogsExternal ResourcesGear Calculator
Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 4)BrandGroup
Campagnolo 0304, (Nuovo) Gran Sport (144 BCD)Campagnolo(Nuovo) Gran Sport
Campagnolo 0305, (Nuovo) Gran Sport (116 BCD Double)Campagnolo(Nuovo) Gran Sport
Campagnolo 0306, (Nuovo) Gran Sport (116 BCD Triple)Campagnolo(Nuovo) Gran Sport
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
(Nuovo) Gran Sport (1974-198X)Campagnolo1974 - , Sport & RecreationView 20 Components
Details:  The reintroduction of the "Gran Sport" name in the mid 70's found the group situated below the "Record" groups in the Campagnolo line up. 
This group was eventually phased out in the early to mid 80's with the introduction of the Victory and Triomphe groups. According to the comments in the '85 Campa catalogue e.g. the G.S. crankset (#0304), the pedals (#3700) and the BB (#3331) - or at least the G.S. axle (#3332) - were "no more available and replaced by the Victory range..."
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