Originally Posted by
Markus
, mini "big bore" (which they are not, since standard pistons are used)
"m-chassis big bore" #42291 are not the same as what comes on the m05 v2R and are actually a bigger bore than standard , they look very similar but do take a different piston to standard m-chassis shocks like the #5400 which are the same size as the v2R shocks