BS 6102-9 90th Edition, November 30, 1990
Cycles — Part 9: Specification for screw threads used in bottom bracket assemblies
Includes all amendments and changes through Reaffirmation Notice , September 1, 2013
Additional Comments: SAME AS ISO 6696
Published By:British Standards Institution (BSI)
Specifies the thread profile and limits and tolerances for the screw threads used to assemble bottom cups to bottom brackets on bicycles (adjustable cups with right hand thread, fixed cups with left hand thread).