Originally Posted by
Chombi1
...it's a bit odd, having a swaged connection between the drive crank arm and the spider, instead of bring forged as one piece. Maybe hecause they wanted to stay with a CNC'd spider.
AFAIK the connection between DS arm and CNC'd spider is not swaged but actually threaded together (for ease of removal but something that needs to be looked after to ensure it stays tight) and secured with a press-fit stainless steel pin. IMO some LocTite is called for with both threads and pin