Originally Posted by
andrewdoherty
And they extend to 3.75 in those .25 mm increments and are made of a more rubbery plastic like the original AE inserts. I have had my share of the IRS inserts shatter.
Associated "4" rear axle holders go a little lower yet, lower than the lowest IRS holder, nice to add those to the IRS set, sorry I don't know the part number...
The CRC ones sound interesting...