Hard 7 - Ceramic is a pulley system made especially for Invert rifles Roller. Its function is to keep the tire in order and distribute the load so that it is symmetrical and perfectly balanced on whole structure. This system provides great reliability, outstanding performance, and the ability to attach up to 7 rubber bands. The frame is made of laser-cut stainless steel and mounts pulleys with ceramic bearings. Pulley diameter: 22mm. Pulley height: 5mm. Read more
