When combining accessories and adapters, the low load capacity / payload is relevant.
Rackpack · black
solid carrier perfect dimensions for bags with rackpack coupling
Rixen & Kaul Aluminium rack for 26" and 28" bikes. Secure and easy mounting with 4 srews. Especially designed for combination with rackpack adapter bags. Includes rear-side plate for reflector or backlight. Good side supports for bags with fold-out compartments or Sidebags. Max. load 25kg.
This product is equipped with a fix-mounting solution for bikers who want to leave their basket, bag or box or permanently mounted on their bike, without quick release function.