AM06WL-US provide exact same sizes as AM06WL.
It has the same nimble for identification on the lower leg than AM06WL, but no flex cut out.

Info: Parts with «US» designation are especially designed for the use at tracks with hard boards/barriers.
During the different design compared to the standard parts, the «US» parts are more reliable at impacts.
Basically this optional parts are a bit more heavy than standard parts.

AM105H MMX Rear Stiffener.
Heavier version (30g. total weight) of AM105.
Useable with all Middle Motor chassis.
contains:

1x AM105H

AM126 HRB Mount made from 7075 T6 Alloy.