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.
Mounting Bracket Inserts is rated
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