Industry Nine Solix CL Disc Hubs 12x100/142 TA 28h XDR OrangeScalloped flange hubshells designed for J bend spokes 5 pawl, . 59 degree of engagement cassette mechanism offering fast engagement with enhanced durability Higher load bearings protected by replaceable full contact radial lip seals HG 11sp road: compatible with HG splined Shimano 12sp road and Shimano SRAM 11sp cassettes. Also compatible with Shimano SRAM 8 10sp cassettes with spacer XDR: compatible with XDR and XD (with a 1. 85mm spacer) cassettes