You can find all the components you need from the best brands at Escapa.
The Topeak Uni Super Tourist DX Discoadjustable aluminumrackis designed for most bikes with disc brakes and 24–29" wheels (MTB) and touring bikes with 700C wheels.
The Topeak Uni Super Tourist DX Disco rack is designed for long-distance rides. It is a very sturdy rack with a high load capacity. Thanks to the QuickTrack system, the rack is compatible with all Topeak MTX TrunkBags, MTX Rear Baskets, and most bags and panniers available on the market. A light can also be mounted on it.
Features:
Material: 6061 T-6 aluminum.
Capacity: 30 kg.
Dimensions: 41 x 34 x 25 cm.
Weight: 915 g.