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J.Wi.S
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Main Photo
Category:  Rear Derailleurs
Name:  J.Wi.S
Brand:  J.Wi.S
Model:  
Years:  Mid 1930's - Early 1950's
Country:  Germany
Added By: jjbbo on 02/27/09
Updated By: peterbman on 06/20/16
Additional Photos - click for full size
J.Wi.SJ.Wi.SJ.Wi.SJ.Wi.SJ.Wi.SJ.Wi.SJ.Wi.SJ.Wi.S
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Outer Plate MarkingsInner Plate Markings
MaterialSteelDesign Category
Attachment Bolt SizeCable Attachment Bolt Size
Shifting SystemsCable Adjuster
Cage LengthMax Cog Size
Max Chain Wrap  
General Information
expanding chain, special  "shark teeth " sprocket.
Company founder Johann Baptist Winklhofer's first product was a high-performance precision chain bearing the J.W.I.S. (Joh. Winklhofer & Söhne) brand.
http://www.iwis.de/en/about-iwis/company/
Quality:Rarity:
 
 
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Additional Resources
Resources:Reference & Charts
Brand Information(click to expand)
Founded in 1916 by Johann Baptist Winklhofer (one of the founders of the Wanderer-Werke) in Munich the production of bicycle and motorcycle chains started after the great War. By the time his sons Rudolf and Otto joined the business the name changed to "Joh. Winklhofer u. Söhne" - yet the acronym J.Wi.S. became a brand! Advertising until the early 1960s documents still production of bicycle chains, but today production is straitened to carmaker and industrial supply.
 
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