Dropper post readyThe Onna is fully compatible with internally controlled Vario seat posts with a diameter of 27.2 millimeters. No matter what awaits you on the trail: You are ready!Integrated cable routingCables and lines are routed through the frame in the most sensible way, without rubbing or rattling behind the head tube.Quick-release axlesThe Onna comes standard with quick-release axles.Hydraulic disc brakesEach Onna is equipped with hydraulic disc brakes with post mount attachment and 160 millimeter brake discs.