Originally Posted by
Frank Root
You still need the shim. The aluminum front pivot vs. the plastic is about the same weight off-set at the brass kick shim vs. the plastic kick shim, so I usually use one or the other. When running on high grip tracks, like WCRC for Reedy Race, I use both as a setup/tuning option.
Great Thank you, i run on a outdoor med bite kind of loose track. should i run both??