Ross Evolution R Spare SpoolsThe Evolution R is not only lightweight, but also incredibly rigid and durable, with a unique geometry that is as functional as it is stylish. The innovative shape of the ultra large arbor spool is engineered to force the even winding of the line across the face of the spool as it is retrieved something never before seen in a fly reel. The new drag design is also an industry first: a fully sealed, bonded proprietary carbon fluoropolymer and stainless