GB Norma
Main Photo
Category:  Stems
Name:  GB Norma
Brand:  GB
Model:  Norma
Years:  Early 1970's - ?
Country:  England
Added By: abuhugh on 09/16/18
Updated By: abuhugh on 09/16/18
Additional Photos - click for full size
GB Norma
Bar Clamp Size 25.4Quill Size 22.2
Expander Style ConicalExpander Bolt Size
Binder Bolt Size   
General Information
GB's Norma model appears in their 1973 catalogue (see photo).  Stems were available in 70mm, 90mm and 110mm sizes.  The design is very similar to the earlier 'Metric' model but lacks the 'bump' at the rear of the stem where the expander bolt enters the quill.
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