This is the stock seatpost wedge we use on the ALLROAD, ALFA DISC, ALFA, ECHO and ABLE 2 (2025+) framesets. The ECHO and ABLE 2 does use a slightly different wedge that the one used on ALLROAD and ALFA frames. Owning a backup is always a good idea, especially if you're traveling. And make sure to put some grease on the bolt before tight