R75 4 Bolt Spline Drive Spiders

R75 4 Bolt Spline Drive Spider Description: Snap's new R75 Spline Drive Spiders in 4 bolt design. Designed for use with most 48 spline spindles and makes changing rings a Snap!! Holds standard 104mm bcd 4 bolt chain rings. Made from 7075 alum and comes with your choice of 19mm or 22mm insert installed. Available in assorted anodized colors. ** Some brand rings may not fit our spiders, due to their smaller inside diameter ** Features: 104mm bcd 4 hole pattern  6.35mm thickness (1/4”)  Precision CNC machined from 7075 alum plate  Made with USA certified material Optional 19mm or 22mm insert installed Weight: 85 gr / 2.992 oz  Color Options:  Black, Red, Blue, Gold, Purple, Emerald Green, Polished, Raw Finish