Description:    This stay is made from 1.5mm thick durable carbon fiber material and has attachment holes to enable installation of 9mm, 13mm, or 19mm rollers in wide positions. It also has holes to attach mass dampers and brake parts at the most rearward positions to expand setting possibilities. Specs and Features This durable carbon-fiber setting stay enables installation of 9mm, 13mm, or 19mm bearing rollers in wide positions.  This stay is made from 1.5mm thick, highly-durable carbon-fiber material and has attachment holes to enable installation of 9mm, 13mm, or 19mm rollers in wide positions. Compatible with MS, Super-II, Super XX, Super X