Mounting Bracket Inserts 15,00 € Add to basket In Stock With the mounting bracket inserts for the Britax Römer JOCKEYs, you can easily and securely attach your bike seat to bicycles with different tube diameters. The set consists of 3 inserts for tube diameters between 28 and 37 mm and a rubber insert pad to precisely adapt the diameter. It is not possible to use the inserts for oval tubes. JUMP TO ... Mounting Bracket Inserts Reviews Questions & Answers Accessories Mounting Bracket Inserts In Stock 15,00 € Add to basket Reviews Questions & Answers Accessories