Hebie Set: consisting of F1 trailer coupling and saddle support adapter F1 trailer coupling: - For bicycles without pan saddle support adapter - Attachment to saddle supports - Independent of the saddle clamping bolt - By balancing sleeves suitable for saddle support diameter from Ø 26 mm to 31.0 mm- Trailer load and semi-trailer load according to regulations for ball-head couplings - Trailer load 40 kg- Semi-trailer load 4 kg Intended use: Universal Accessory Type: Trailer coupling set + saddle support adapter Suitable For: Hebie F 1