I'm going to go out on a whim here and say the following, the "angled" type adaptor was primarily used for older frames. I've not seen them used on any frames in the last few years. however, they may still be used on forks like the Fox40 and Boxxer perhaps??
Tbh its all a guess! You'll be fine with the first link you posted.
Tbh its all a guess! You'll be fine with the first link you posted.


