Carbon swingarm shoulder, for BK-R and EVO 5 series bikes. This arm can be used on either the left or right side of the swingarm if required. This side is without belt tensioner adjustment slot. The Swing arm shoulders are available in 3 option lengths. Short, Medium and Long arms with or without flex cutout.
 
This is the Long option without cutout. When using this length arm the drive belt needs to be changed to the 100T belt. 1Pz.