Originally Posted by
CarbonJoe
Just about everyone has play in the upper arms. I think the only fix is new hinge pin holders (inserts). Thin teflon washers (or shims) would help too.
there is little to no play when first assembled, but after 2 days worth of practice and racing there is elongation of the hold in the insert. there is a small amount of freeplay that a shim could help, but the main source is from the oval shape in the insert.
new inserts every weekend seems extreme so i was hopeful for a more clever (cheaper) answer.