Cannot buy R Chocotrain DSC

[Thor]

Platform: Windows 11
ISP: Verizon
Type of Internet Connection: Fios
Internet Connection Speed: 300Mbps
Date & Time: June 11th, 2024 8:58 AM
Frequency: Always
Character Name: Cailinn
Race: HumeF
World: Asura
Main Job: RDM, Lv.99
Support Job: BLM
Area and Coordinates: Bastok Mines, J-9
Party or Solo: Solo
NPC Name: Gavoroi
Monster Name: N/A
Steps:

1. Talk to Gavoroi
2. Look for "90-Chocobuck" menu option
3. It's not there
3. Cannot buy "R Chocotrain: DSC"
4. This option was there just before the most recent June update.
5. I am registered with the Bastok Racing team.

[Dragoy]

I believe these items are available for purchase only whilst your current team is placed at least second.

Is this perhaps not the case there any longer?

(I for example see them available on Fenrir for Windurst currently.)