3ttt Gran Prix Special (2nd version)
Main Photo
Category:  Stems
Name:  3ttt Gran Prix Special (2nd version)
Brand:  3ttt
Years:  1964 - ?
Country:  Italy
Weight:  315 grams (avg)
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Added By: gizmologist on 01/05/08
Updated By: qd-s on 09/23/19
Additional Photos - click for full size
3ttt Gran Prix Special (2nd version)3ttt Gran Prix Special (2nd version)3ttt Gran Prix Special (2nd version)3ttt Gran Prix Special (2nd version)3ttt Gran Prix Special (2nd version)3ttt Gran Prix Special (2nd version)3ttt Gran Prix Special (2nd version)3ttt Gran Prix Special (2nd version)
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MaterialAluminumMarkings3TTT Special Gran Prix Made in Italy
Bar Clamp Size 26.0Quill Size 22.0
Expander Style ConicalExpander Bolt Size6mm Allen Key
Binder Bolt Size Wrench  
General Information

The item is manufactured by Tecno Tubo Torino of Italy which labelled products under "3ttt" brand..It was originally called Tecnologia del Tubo Torinese (Turin Tube Technology), taking its name from the city of Turin, where it was founded in 1961 by Mario Dedioniggi. Though written 3T, it’s usually called Triple T.

The second version of this stem had a 6mm hex instead of a bolt to tighten the expander.

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Additional Resources
Resources:Reference & ChartsCatalogs
Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 2)BrandGroup
3ttt Gran Prix Special (2nd version - variation)3ttt
Brand Information(click to expand)

Italian company specializing in the production of aluminum handlebars, however they have also produced seat posts, stems, and saddles.

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WeightSourceNotesAdded By
325 GramsUnknown JFischer
305 GramsActual100mm- Version fightfooter
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