The Arrma Kraton EXB Safe-D Input Shaft Cup is a replacement for the Kraton 6S EXB model, but can be used with the 6S BLX Kraton, Outcast, Talion and Notorious models as an optional upgrade, but requires additional parts.
NOTE: Must be combined with ARA310976.     
 
Features:
Machined from a strong and durable steel material 
ARRMA Safe-D design 
The input gear and drive cup key together, ensuring you still have drive in the event of the attachment screw loosening 
Precise screw threads for safe and secure fit of securing set screw
Requires ARA310976 - INPUT SHAFT CUP SLEEVE (4pcs)
Includes:
(1) Input Shaft Cup (Safe-D)
(1) Set Screw M4 x 6mm