Cycle computer adapter for converting the Reckmount cycle computer mount for Garmin to the Bryton Rider series cycle computer Compatible models (as of April 1, 2021) Rider 860 / Rider 750 / Rider 530 / Rider 450 / Rider 420 / Rider 410 / Rider 320 / Rider 310 / Rider 15 / Rider 10, etc. Compatible with the Rider series Insert into the joint of the Garmin Edge series mount and rotate 90 degrees to remove Attach and remove The base body is made of AL6061 aluminum CNC machined for a heavy, sturdy feel The base plate (socket) can be replaced, so it can be replaced with a repair part or changed to a different brand * The joint of the base plate (socket) is 73.0mm for Bryton Rider Base plate (socket) [RPSKT-0-BRY] can be replaced during repairs. Body material: AL6061 aluminum CNC machined product. Joint material: resin.