Campagnolo 1047, Gran Sport
Main Photo
Category:  Bottom Brackets
Name:  Campagnolo 1047, Gran Sport
Brand:  Campagnolo
Primary Group:  Gran Sport
Model:  1047
Years:  1958 - 1960's
Country:  Italy
Weight:  158 grams
Added By: JFischer on 12/13/07
Updated By: peterbman on 03/13/14
Additional Photos - click for full size
Campagnolo 1047, Gran SportCampagnolo 1047, Gran SportCampagnolo 1047, Gran SportCampagnolo 1047, Gran SportCampagnolo 1047, Gran SportCampagnolo 1047, Gran Sport
 Verify Component Photos
Bearing Size/Count per side1/4" / 11x11Spindle MarkingsCampagnolo [threading] Made in Italy
Fixed Cup MarkingsCampagnolo [threading] Made in ItalyAdjustable Cup MarkingsPatent Campagnolo Made In Italy
Spindle StyleCotteredAxle MaterialSteel
Available ThreadingsEnglish/ISO: 1.370 x 24;
Italian: 36mm x 24
Length(s)127mm Strada (road);
117 or 124.5mm Pista
Tools NeededSpanner, Locknut Wrench and Fixed Cup Wrench  
General Information

Campagnolo Gran Sport group cottered bottom bracket. 

Model Numbers:
750: Spindle
746: Adjustable cup
745: Fixed Cup

Uses 1/4" bearings.  Count unknown.

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Additional Resources
Resources:Reference & ChartsCatalogsExternal Resources
Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 2)BrandGroup
Campagnolo 1046, Record - First TypeCampagnoloRecord
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
Gran Sport (1951-196X)Campagnolo1951 - , Road RaceView 26 Components
Details:  Hugo Koblet won the 1951 Tour de France in July using Gran Sport derailleurs.
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