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A BB post for Tris

07 Nov

Fellow framebuilder Tris asked me to make him a BB post for his alignment table. He had the handle and threaded insert for the BB from a Cyclus facing tool and we designed the post around this. Given the threads on the Cyclus handle are M16 x 1.5mm pitch rather than the standard 2mm pitch and the fact that you really want the thread to be straight over that sort of length it was a fun job in the lathe. We are both really happy with the way it turned out

Turning a BB post

Turning a BB post

Turning a BB post 2

Turning a BB post 2

Turning a thread on the BB post

Turning a thread on the BB post

BB post and Cyclus handle

BB post and Cyclus handle

BB Post, Handle and Insert

BB Post, Handle and Insert

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Posted by on November 7, 2014 in Uncategorized

 

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