Chainring Count | Double | BCD ![Bolt Circle Diameter (see Refernce Tables for details)](App_Themes/VeloBase2_blue/Images/question.png) | 116mm |
BB Style | Square Taper (ISO) | Pedal Threads | 14mm x 1.25mm (French); 9/16" x 20 (English) |
BB Length ![Length of BB axle needed for correct chainline](App_Themes/VeloBase2_blue/Images/question.png) | ref 344 DBL - 114.5mm - Also listed as 116.5mm | Flutes ![Concave milling on the crank](App_Themes/VeloBase2_blue/Images/question.png) | Crank Arm; Spider |
Lengths ![From spindle center to pedal axle center](App_Themes/VeloBase2_blue/Images/question.png) | 160; 162.5; 165; 167.5; 170; 172.5; 175; 177.5; 177.7; 180; 185 | Arm/Spider Material | Aluminum Alloy |
Front Markings | Specialites T.A. Made in France | Back Markings | Crank Arm Length - British Threads Marked With "W" |
Extractor Threading ![Crank removal extractor threading](App_Themes/VeloBase2_blue/Images/question.png) | 23x1mm (TA Cranks) | |   |
Component Variations | View Detailed List Manage Variations |
Variations of Component exist (Component is 1 of 2) | Brand | Group |
Specialités TA Professional 3-arm (Spence Wolf setup) | Spécialités TA | |
First introduced alloy chainrings which were used on a number of other company's crankarms, TA soon move on to producing their own crank arms as well and then expanded into other products.
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