Topeak Omni QuickTrack Adapter bike rack, changes any rack to MTX system

Material: Polymer Maximum pipe/tube diameter: 1.2 cm Product colour: Black Type: Adapter Fits sizes: 90 - 120 mm Compatibility: Topeak MTX / RX TrunkBags, MTX rear baskets Height: 61 mm Depth: 94 mm Weight: 230 g Width: 320 mm Warnings: Before use, make sure the mudguards are correctly attached to avoid an accident.