Steel, 28" and 29", weight 965 g, payload 26 kg (tested with 40 kg), compatible with the Ortlieb QL3.1 system (also with QL1, QL2, QL2.1 and QL3), detachable mounting hooks Rear mounting Type Article Main color black suitable wheel sizes 28" Bikepacking is no longer a trend. That's why tubus now offers the PADUA: specially designed for travel with compact luggage, but with the familiar tubus quality. Compatible with Ortlieb QL3.1, QL1, QL2, QL2.1 and QL3. The six mounting hooks are detachable, M5 cover caps are included. Max. load capacity: 26kg Position on the bike: Rear Wheel size Inches: 26/28 Inch Diameter: 12 mm See image 2 for precise dimensions Tubus Article number: 734746 EAN code: 4036823000640 Supplier number: 075100-001 Retail packaging: No