Mavic 305
Main Photo
Category:  Headsets
Name:  Mavic 305
Brand:  Mavic
Primary Group:  Zap
Model:  305
Years:  1989 - 1990's
Country:  France
Weight:  116 grams
Added By: nprenet on 11/10/07
Updated By: peterbman on 12/30/16
Additional Photos - click for full size
Mavic 305Mavic 305Mavic 305Mavic 305Mavic 305
 Verify Component Photos
Body MaterialAluminum; PlasticUpper Bearing Size31 - 1/8"
Lower Bearing Size31 - 1/8"Crown Race SizeISO (26.4mm)
Upper Cup MarkingsMavic (laser engraved)Lower Cup Markings
Available Threading English/ISO/Italian (25.4mm x 24TPI)Stack Height 40.4mm
General Information
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Additional Resources
Resources:Reference & ChartsCatalogsExternal Resources
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
Zap ZMS 8000MavicView 11 Components
Details:   The Mavic ZAP group was one of the first attempts at an electronic shifting mechanism for bicycles.  The attempt, however, was a near complete failure with multiple major problems with the design of the rear derailleur as well as limited battery life being major contributers.  Regardless of these problems, a recent ebay auction of a complete ZMS 8000 group sold for over $1500, most likely for it rarity and to be added to a collection rather than actually used.
Brand Information(click to expand)
 Mavic is best known for its lightweight aluminum rims and complete wheels, which they continue to produce today.  They also produced a full range of drive train components in the past.  Mavic made a failed attempt to popularize an electronic shifting system in the early 90's.
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