Relaible and robust hub shell design for J-bend spokes- Dual phased-pawl drive mechanism with 90 points of engagement or 4 degrees between engagement- 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- Center Lock 35mm splined disc rotor mount- Hub weights, front: 138g, rear: 282g- Made in Asheville, NC USA