If your fork has inside and outside eyelets, then the DUO is your right choice. Just as the TARA, DUO tolerates extreme loads and almost all panniers. It also ?features a longitudinal hole for optimal fit and increased flexibility. Not suitable for mounting on spring or carbon forks without eyelets. The fork must be approved by the manufacturer, or by the bicycle manufacturer for mounting a carrier. There must be no crimping. - Material: 25CrMo4 - Size: 26" | 28" - Weight: 560 g | 19.8 oz - Loading Capacity: 15 kg | 33.1 lbs - Diameter: 14 / 10 mm | 0.6 / 0.4 in