KH 36 Frame - Dual Disc Tab (Schlumpf 2022 hub ready) - Excellent Condition

This must have been a limited production time frame. Neither the KH website nor the UDC UK link posted above show dual tabs on the 36" frame. Specifically the UDC UK page above says Pictures show disc brake tab on right leg, this is incorrect, the tab for the disc brake is on the Let leg. I believe you, I’m not questioning it, just curious how long these were in production.