Graphite straight back Brace had been redesigned included in the completely adjustable battery pack mounting system that you can forget requires an O-ring or tape to secure the pack and features low profile lightweight bushings that exchange M3 peanuts for a sleeker appearance and lower CG. A large part hyperlink brace integrates utilizing the part braces inside the Multi-Flex modification. The brace in addition functions as the mounting point the component pipelines, component springs and human body posts. CNC-machined from 2.5mm premium-grade graphite product.